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TEVAR Case | TEVAR w/ Laser Fenestration of Intimal Dissection Flap
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Transcript

I don't think the difficult filter retrieval session would be complete without at least some discussion of retrieving OptEase. Raise your hand if you haven't had a horrific OptEase retrieval experience. >> [LAUGH].

>> I don't believe any of you. >> [LAUGH]. >> OptEase presents unique challenges as you can see. The zonal fixation along the cable wall is broad, very broad. So this case, standard stuff we had to use a loop wire to get it and

then we lased it and then we couldn't lace it any further than this. How many of you would just stop? >> I wanted to stop. I wanted to quit and go home. >> [LAUGH].

>> As did we all. >> [INAUDIBLE] >> So that's what we did and we found that offset sheaths are helpful for this. A 16 from the top and an 18 from the bottom and literally exclude the filter from the caval lumen.

We had to use loop wire at the top. Anybody else tried this? [BLANK_AUDIO] >> Did you use the laser at the top as well? >> Yes. >> [INAUDIBLE] second laser? >> No.

Same fiber. >> Sam are you using lasers? >> No, [INAUDIBLE] >> The discretion is a better part of valor right? Yeah that's a tough one.

One thing I would mention, I kinda alluded to the issue of getting access to the laser. The EP folks, how many of you guys have been called for an EP bailout? For a laser lead extraction?

Oh interesting. Okay. Yeah it's one of the more horrifying calls you'll get in the angio suite when the cardiologists call you and say, hey, we're in trouble here can you come look at this?

>> [LAUGH] >> It's scary. So one thing you should know is if you're gonna partner with EP, they'll tell you they use it for lead extractions. There is a certain percentage where they will get SVC ruptures and they're trying to take

these things out. And that's when they call you. And again it could be very traumatic. This happened last week as a matter of fact. Total subclavian rupture, massive hemothorax.

So that's a great way to partner with your cardiology colleagues. >> [LAUGH] >> Is to bail them out of those horrible situations. >> What did you do? >> Long story short I ended up deploying a VIABAHN, a 13 by 10

VIABAHN from a groin access. I got lucky and got across from below. The rupture was actually right where they had access and it was luck. There's no lying. I'm not gonna try and be heroic,

I got a wire pass. >> [INAUDIBLE] >> No they had the lead out. That was the weird part everything was fine then all over sudden the patient crashed. Bottom line is, this is a great way to get access to the laser.

>> [LAUGH] >> No thank you. >> [LAUGH] >> Okay it's hard work but you will be friends with them

country of 50 just under 58 million population we've got only 650

radiologists I wish one day those who all the IRS and most of the radiologists and the private sector and about 20% of them do IR work in South Africa dr and i are all under one umbrella in fact asses IRS who we are subsidiaries of this big

umbrella of diagnostic radiology we all belong to one register and IRS not yet recognized as an independent entity as an example when we run radiology meetings such as this to be predominantly diagnostic work and

there's a little half session maybe of IR some way so IRS basically done by diagnostic radiologist were interested in IR and over the years we I or is started to pick up in popularity there are other non radiology specialties

we've now started doing IR procedures a case in point vascular surgeons like dr. side mentioned we don't have a formal training program in the country yet something that working hard on with the support of

societies like si R we hope to be setting something announced with international support and accreditation so most of the people who are doing IR in South Africa are diagnosticians we are self trained as in they would have

gone and the apprentices of experts across the world for specific procedures and then come back and perform those cardiologists and vascular surgeons have basically taken over the peripheral vascular work and I ought to work I

don't particularly miss it because I would learn enough other stuff to look after our society was established is

let's move on here is another patient who took a fall skiing we see a lot of these patients up in upstate New York and they presented with severe left-sided abdominal pain and here's the cat scan

all right who's up for it what do you think what looks bad you look like you're into it what do you think yeah the right the bottom right-hand side of the picture should be spleen and it just looks like a big pool of blood that's

pretty good you did pretty good spleens a little higher so we're gonna presume spleen is there Graham this is just one image one slice through the picture through the body so we're just not at the level of the spleen but that's the

kidney that's exactly right that white thing on the right side of the image of the patient's left side is the kidney and the one thing I'd like everyone who appreciates that doesn't look at all like the other side all right so when

you look at a cat-scan like this you want to look for symmetry that's really important all right that's the cool thing is we're kind of meant to be similar looking on both sides of our body and in this particular

case you can see that the left kidney has been pushed way forward in the body compared to the right side and there is a kind of a hematoma sitting in the retroperitoneum posterior behind the kidney that's bad

the other thing you should notice is if you look at that left kidney you notice that white squiggly line that doesn't belong there okay that's contrast that's not really constrained inside an artery that's extravagant of

contrast that's bad all right we don't want to see that all right again there's a grading system for renal trauma and you're gonna hear people talk about grade 1 2 3 4 injuries all right obviously as the number gets higher the

extents of the injury gets more significant all right so again here's that picture think you can appreciate that it's at least a grade 4 laceration of the kidney so we went in and we did an angiogram now we can watch these

patients we can surgically manage them by taking out their kidney in some ways that's the easy part excuse me it's a lot more elegant to try and embolize these patients if they're hemodynamically stable and can take you

know getting to angio and doing the case now in general we do embolization for patients with lower grade injuries and usually penetrating injuries a penetrating trauma that's seen on CT I think this is something that's changing

I if any of you work at high-volume trauma centers the reality is that we're doing more and more renal angiography for trauma than we used to because it's just becoming a more accepted thing for us to

be doing that all right so here's the angiogram and again I think you can notice it really correlates very well to what we saw on the CT scan you see that first image on the left and on the delayed image you see that that kind of

poorly constrained contrast going out into space now we were never really quite sure what this was if it was extravasation or if it was potentially an arteriovenous fistula with early filling of a renal vein regardless of

which it's not normal all right so what we did was we went in and we embolized and I only included this picture because I'm a big drawer during cases so when I'm working with a resident or a fellow I like to really

lay out our plan on a piece of paper and try and stick to the plan and this particular picture look really good so I included on the lecture but basically you can see that the coils the goal here for any embolization procedure

when it comes to trauma is to preserve as much of the normal organ as we can and to simply get you know to the source of the bleeding and to get it to stop and that's what we did there so what you can appreciate on this is kind of the

renal parenchyma or the tissue of the kidney is largely maintained you can see the dark black kind of blush within the kidney and all that really stands for properly working kidney all right and yet we embolize the pathology so that's

our goal here's a similar patient not

know we're running a bit short on time so I want to briefly just touch about

some techniques with comb beam CT which are very helpful to us there are a lot of reasons why you should use comb beam CT it gives us the the most extensive anatomic understanding of vascular territories and the implications for

that with oncology are extremely valuable because of things like margin like we discussed here's an example of a patient who had a high AF P and their bloodstream which tells us that they have a cancer in her liver we can't see

it on the CT there but if you do a cone beam CT it stands up quite nicely why because you're giving levels of contrast that if you were to give them through a peripheral IV it would be toxic to the patient but when you're infusing into a

segment the body tolerates at the problem so patient preparation anxa lysis is key you have them exhale above three seconds prior to that there's a lot of change to how we're doing this people who are introducing radial access

power injection anywhere from about 50 to even sometimes thirty to a hundred percent contrast depends on what phase you're imaging we have a Animoto power injector that allows us to slide what contrast concentration we like a lot of

times people just rely on 30% and do their whole the case with that some people do a hundred percent image quality this is what it looks like when someone's breathing this is very difficult to tell if there's complete

lesion enhancement so if you do your comb beam CT know it looks like this this is trying to coach the patient and try to get them to hold still and then this is the patient after coaching which looks like this so you can tell that you

have a missing portion of the lesion and you have to treat into another segment what about when you're doing an angio and you do a cone beam CT NIT looks like this this is what insufficient counts looks like on comb beam so when you see

these sort of Shell station lines that are going all over the screen you have to raise dose usually in larger patients but this is you know you either slow down the acquisition speed of your comb beam or

you raise dose this is what it looks like after we gave it a higher dose protocol it really changes everything those lines are still there but they're much smaller how do you know if you have enhancement or a narrow artifact you can

repeat with non-contrast CT and give the patient glucagon and you can find the small very these small arteries that pick off the left that commonly profuse the stomach the right gastric artery you can use your comb beam CT to find

non-target evaluation even when your angio doesn't suggest it so this is a patient they have recurrent HCC we didn't angio from here those arteries down there where those coils were looked funny even though the patient was

quote-unquote coiled off we did a comb beam CT and that little squiggly C shape structures that duodenum that's contrast going in it this would be probably a lethal event for the patient or certainly would require surgery if you

treated that much with y9t reposition the catheter deeper towards the lesion and you can repeat your comb beam CT and see that you don't have an hands minh sometimes you have these little accessory left gastric artery this is

where we really need your help you know a lot of times everyone's focused and I think the more eyes the better for these kind of things but we're looking for these little tiny vessels that sometimes hop out of the liver and back into the

stomach or up into the esophagus there's a very very small right gastric artery in this picture here this patient post hepatectomy that rides along the inferior surface of the liver it's a little curly cube so and this is a small

esophageal branch so when you do comb beam TT this is what the stomach looks like when it enhances and this is what the esophagus looks like when it enhances you can do non contrast comb beam CTS to confirm ablation so you have

a lesion this is the comb beam CT for enhancement you treat with your embolic and this is a post to determine that you've had completely shin coverage and you can see how that correlates a response so the last thing we're going

of these issues filters are generally still use or were used up until a few years ago or five years ago almost exclusively and then between five years and a decade ago there was this new concept of proximal protection or flow

reversal that came about and so this is the scenario where you don't actually cross the lesion but you place a couple balloons one in the external carotid artery one in the common carotid artery and you stop any blood flow that's going

through the internal carotid artery overall so if there's no blood flowing up there then when you cross the lesion without any blood flow there's nothing nowhere for it to go the debris that that is and then you can angioplasty and

or stent and then ultimately place your stent and then get out and then aspirate all of that column of stagnant blood before you deflate the balloons and take your device out so step-by-step I'll walk through this a couple times because

it's a little confusing at least it was for me the first time I was doing this but common carotid artery clamping just like they do in surgery right I showed you the pictures of the surgical into our directa me they do the vessel loops

around the common carotid approximately the eca and the ICA and then actually of clamping each of those sites before they open up the vessel and then they in a sequential organized reproducible manner uncle Dee clamp or unclamp each of those

sites in the reverse order similar to this balloon this is an endovascular clamping if you will so you place this common carotid balloon that's that bottom circle there you inflate you you have that clamping that occurs right

so what happens then is that you've taken off the antegrade blood flow in that common carotid artery on that side you have retrograde blood flow that's coming through from the controller circulation and you have reverse blood

flow from the ECA the external carotid artery from the contralateral side that can retrograde fill the distal common carotid stump and go up the ica ultimately then you can suspend the antegrade blood flow up the common

carotid artery as I said and then you clamp or balloon occlude the external carotid artery so now if you include the external carotid artery that second circle now you have this dark red column of blood up the distal common carotid

artery all the way up the internal carotid artery up until you get the Circle of Willis Circle of Willis allows cross filling a blood on the contralateral side so the patient doesn't undergo stroke because they've

got an intact circulation and they're able to tolerate this for a period of time now you can generally do these with patients awake and assess their ability to tolerate this if they don't tolerate this because of incomplete circle or

incomplete circulation intracranial injury really well then you can you can actually condition the patient to tolerate this or do this fairly quickly because once the balloons are inflated you can move fairly quickly and be done

or do this in stepwise fashion if you do this in combination with two balloons up you have this cessation of blood flow in in the internal carotid artery you do your angioplasty or stenting and post angioplasty if need be and then you

aspirate your your sheath that whole stagnant column of blood you aspirate that with 320 CC syringes so all that blood that's in there and you can check out what you see in the filter but after that point you've taken all that blood

that was sitting there stagnant and then you deflate the balloons you deflate them in stepwise order so this is what happens you get your o 35 stiff wire up into the external carotid artery once it's in the external cart or you do not

want to engage with the lesion itself you take your diagnostic catheter up into the external carotid artery once you're up there you take your stiff wire right so an amp lats wire placed somewhere in the distal external carotid

artery once that's in there you get your sheath in place and then you get your moment devices a nine French device overall and it has to come up and place this with two markers the proximal or sorry that distal markers in the

proximal external carotid artery that's what this picture shows here the proximal markers in the common carotid artery so there's nothing that's touched that lesion so far in any of the images that I've shown and then that's the moma

device that's one of these particular devices that does proximal protection and and from there you inflate the balloon in the external carotid artery you do a little angiographic test to make sure that there's no branch

proximal branch vessels of the external carotid artery that are filling that balloon is inflated now in this picture once you've done that you can inflate the common carotid artery once you've done that now you can take an O on four

wire of your choice cross the lesion because there's no blood flow going so even if you liberated plaque or debris it's not going to go anywhere it's just gonna sit there stagnant and then with that cross do angioplasty this is what

it looks like in real life you have a balloon approximately you have a balloon distally contrast has been injected it's just sitting there stagnant because there's nowhere for it to go okay once the balloons are inflated you've

temporarily suspends this suspended any blood flow within this vasculature and then as long as you confirm that there's no blood flow then you go ahead and proceed with the intervention you can actually check pressures we do a lot of

pressure side sheath pressure measurements the first part of this is what the aortic pressure and common carotid artery pressures are from our sheath then we've inflated our balloons and the fact that there's even any

waveform is actually representative of the back pressure we're getting and there's actually no more antegrade flow in the common carotid artery once you've put this in position then you can stent this once the stent is in place and you

think you like everything you can post dilated and then once you've post dilated then you deflate your balloon right so you deflate your all this debris that's shown in this third picture is sitting there stagnant

you deflate the external carotid artery balloon first and then your common carotid artery and prior to deflating either the balloons you've aspirated the blood flow 320 CC syringes as I said we filter the contents of the third syringe

to see if there's any debris if there's debris and that third filter and that third syringe that we actually continue to ask for eight more until we have a clean syringe but there's no filter debris out because

that might tell us that there's a lot of debris in this particular column of blood because we don't want to liberate any of that so when do you not want to use this well what if the disease that you're dealing with extends past the

common carotid past the internal carotid into the common carotid this device has to pass through that lesion before it gets into the external carotid artery so this isn't a good device for that or if that eca is occluded so you can't park

that kampf balloon that distal balloon to balloon sheath distally into the external carotid artery so that might not be good either if the patient can't tolerate it as I mentioned that's something that we assess for and you

want to have someone who's got some experience with this is a case that it takes a quite a bit of kind of movement and coordination with with the physician technologists or and co-operators that

to talk about is indirect angiography this is kind of a neat trick to suggest to your intervention list as a problem solver we were asked to ablate this lesion and it looked kind of funny this patient had a resection for HCC they

thought this was a recurrence so we bring the comb beam CT and we do an angio and it doesn't enhance so this is an image here of indirect port ography so what you can do is an SMA run and see at which point along the

run do you pacify the portal vein and you just set up your cone beam CT for that time so you just repeat your injection and now your pacifying the entire portal vein even though you haven't selected it and what to show

well this was a portal aneurysm after resection with a little bit of clot in it the patient went on some aspirin and it resolved in three months so back to our first patient what do you do for someone who has HCC that's invading the

heart this patient underwent 2y 90s bland embolization microwave ablation chemotherapy and SBRT and he's an eight-year survivor so it's one of those things where certainly with the correct patient selection you can find the right

things to do for someone I think that usually our best results come from our interdisciplinary consensus in terms of trying to use the unique advantages that individual therapies have and IO is just one of those but this is an important

lesson to our whole group that you know a lot of times you get your best results when you use things like a team approach so in summary there are applications to IO prior to surgery to make people surgical candidates there are definitive

treatments ie your cancer will be treated definitively with curative intent a lot of times we can save when people have tried cure intent and weren't able to and obviously to palliate folks to try to buy them time

and quality of life thermal ablation is safe and effective for small lesions but it's limited by the adjacent anatomy y9t is not an ischemic therapy it's an ablative therapy you're putting small ablative radioactive particles within

the lesion and just using the blood supply as a conduit for your brachytherapy and you can use this as a new admin application to make people safer surgical candidates when you apply to the entire ride a panic globe

thanks everyone appreciate it [Applause] [Music]

to have severe humor billion almost all all those that need your attention is about aghori portal veins though can be tremendously so the differentiation between hepatic artery and portal vein

bleeding is the big differentiator that will require you to do something about it most of the times if you injure the portal vein or hepatic vein these usually heal by themselves and it's counterintuitive the management of this

is actually to upsize your tube and they make sure the side holes are not adjacent to the bleeding vein it's crossing so it's counterintuitive that you upsize - for bleeding injure the vein more but

eventually those veins will thromboses off for that little branch the difficult situations of sahiba heavy hit an artery and here's one way we did a gram you can see the pacification the reason why you want to go into the peripheral duct I'll

show you always near the hilum is actually also very big blood are the blood vessels and the reason why we go peripheral the number of large vessels are much greater diminished so you always want in this patient was

transferred for an outside Hospital my PTC was performed by someone who obviously doesn't do a lot of these and access directly into the coma bar duct you can see all these filling defects all these filling defects in the combat

like those or clots and filled with someone who's actually had life-threatening significant he Mobilia and required what we did was they were just pacify the system get another peripheral access

right biliary system and embolize the track coming out and thereby removing the original axis that was placed by the outside hospital interventionists obviously the ones that aureus the most of the narco that will kill people is

the ones that hit our ease and pseudoaneurysm formation or tara Venus fistulas and I can be problematic in my only real ways their dresses trans cap the treatments a patient would have an angio we'd have to get into the pedagogy

find the feeding or it almost always though and we can predict way that bleeding artery is it's where your Y is crossing the architecture of the artery tree frequently you will not see it until you remove the tube so almost

always you would have to prep the right flank prep the groin to an angiogram with the tube in because you don't really want to be rushing at the beginning of your procedure you frequently do the angiogram not see

bleeding and then a second operator needs the described brake scrub get non sterile axes remove the blue tube repeat the angiogram and almost certainly then you'll see it but again it's very

predictable where it is but every now and then you get caught out and the bleeding side can be remote from where your actual Y or actual access transgressor you you do need to have a careful eye looking for that and so you

know when we looked at out and we do large numbers of blurry drainage the best predictor or and like I said Arturo Kimber Billy is actually related to your first tube and the size that you place and it's also

interesting like I said every now and then you're gonna see that bleeding arteries are actually not liver arteries and you can't bleed from the GDA internal memory from other procedures intercostal artery from where you put

your tube first needle through the liver through sorry through the ribs itself it's actually access site rather than your internal parenchymal your liver so it's actually important to also do sometimes it a water gram check the

intercostal artery because you'll miss it by doing a celiac or teragrams hepatic artery gram and don't understand why the patients still bleeding and here's just example of what a pseudoaneurysm does when we remove the

chief we can see the image on the right the blue tube has mean withdraw back and they you can see quite clearly there and sorry the pseudoaneurysm of the paddock right re and like any other immunization is important to go front door back door

implies across mainly because the liver architecture has a rich collateralization that will feed before and after and like I said the lake complication zone was or derived and related to tube maintenance and tubes

catching on to things in dislodgement and so these are just really you know your whoever answers the phones whether it's the physicians on call they have to manage with maintenance of these tubes and really just keeping these tubes open

as long as possible it's amazing how long some of these tubes do last in particular in benign but Lewis structures so management of these is really or expectant and the right advice and frequently just need to

get these tubes changements they're clogged sufficiently the difficult ones

good afternoon everyone so I have the big task about talk about IR in Algeria and UAE and couple words about the past meeting so my name is Hoshino bada I'm intervention ideologies I joined the unit in Abu Dhabi almost 5 years ago so I think everybody's familiar now with

the African continent so Algeria between Morocco and Tunisia so it's a bit difficult or bother the iron algea because it's a very very early stage and these couple numbers give you an idea about the the landscape

readiness came health care system over there we have about 850 CT scanners 250 MRI for about 144 hundred one thousand four hundred forty thousand radiologists if you compare between Morocco they have almost 700 and 800 in Tunisia and about

2700 radiographers but only twelve IR people two of them performing your IR as well so one of the main issue it is not as social IR curriculum over there and there's not even a chapter of any intervention society that can help to

promote as a platform to promote the IR program however on the other hand they have a very dynamic and very active society of radiology and actually they are performing a really lot of work by doing a lot of meetings worktop hands-on

workshop all over the year all over the year absolutely and in the last four or five years they also introduced IR in their in their meetings and so exposed to the the young residents and and radiologists it triggers as some some

momentum about IR over there and so some of them went to in Europe together had trained fellowship and they came back to our Jaso even there's a small number of IR over there they are only fully trained in Europe with a with a good

quality so but of course the number is very small so a lack of IR that means some some people have to do the work and the classic thing happens like the Ignacio is going to perform some of the procedure which means biopsies drainages

or the video intervention and some somehow some ablation therapies in very limited centers and if you look at the vascular access or the Lions barakatuh performed by almost everybody radiologists cardiologists surgeons even

anesthesiologist there's not enough people to do in a foursome it's ornery Rogers doing the first time it's the only area when it's 100% I would say imaging people is definitely regarding Western intervention from diagnostic

tool to biopsy to intervention so if you look at the vascular interventional quite similar what well said in in in Egypt so the vascular stuff is doing by IR however all the outer condition that performs swiftly by vascular surgeon but

nowadays summer some changes because they are facing some issues essentially though they do send graft they don't have to do they don't know how to deal with the unduly so there's more and more kind of through there I'll reconsider

the need for collaboration with IR and they start to really have some some bridge all together to fulfill the complication and issue they might and control in their practice so the only optimistic things now in Algeria is that

there is definitely a big Werner's at the level of the old age about creating a really implementing a training program for IR and the actually they are trying really to to initiate and start that so working progress that the Society of

international urology over there so there is hope about the future in terms of implementing this type of program and before moving into the UAE just a small comment I know you do a co2 injection in your daily practice just give you an

idea about that so this was pioneered by a giant team in the late 60s and early 70s so this is this work was performed a couple years before the work of Hawkins actually Hawkins always reference the Algerian team about about that so now we

move to the UAE

baking breaking boundaries so one thing that we all like to do is brag right we took this filter out that's been in for 50 years and you know all that sort of stuff so here's a Greenfield that was

in for over 25 years green fields as you know as a permanent filter in this patient it's a Friday so it's got to go another shout out to filter Friday but here's a you know incredible case where he was able to

remove a filter that had been in for 25 years so here's here's one of my cases where I have this filter that I threw out there and I had seen this 16 year old truck be shredded and this is another Bob reuse case and so I kind of

got excited about actually doing this case that I don't know if I would have felt comfortable doing that but I see that here's another one from Manny that had another op DS filter that was that was able to be removed so by getting

this filter out I would post this picture and say how you know how would other people attach that so this is that IR to IR part here's another one that Agnes Solberg put out real nice thing I think I have a video here can you run

that video where she has this is more almost like an Instagram type post whoops go back there play that little video there so she has some live pictures of what's going on in the case and she's put some nice graphics and

things like that but this is you know it was like the Pinterest of Twitter of Twitter complex IVC filter retrievals so anyway so I had this case and I actually did the case and tweeted about it afterwards and then I got a reply from

Christopher Ballman who's a said nice to see it come out in one place I personally like laser sheathe as for this filter because I've had nonmetal sheaths tear on me and cause filter fracturing embolism looks like this

plastic sheath was close to the same so he's actually looking at my text and commenting on fact that he would have done something a little bit differently which i think is wonderful here's another one where the fracture embedded

10-year old filter if you look on the on the right they're removed with the laser here's one on the left where the same sort of case was removed with a laser so we're all kind of cross pollinating there there's tips and tricks so here's

somebody that Bradley Thomas who's actually a master surgeon what was that what would your stress the community what would your strategy be if you referred this from outside Hospital after a failed first 1/10 of course he

said hashtag asking for a friend I'd say CT if not redone forceps and wire loop any other thoughts so I saw this and I had this exact same case in the past before if you see this this is a 3d reconstruction of a filter that has

penetrated tilted and penetrated outside the IVC on the top and the bottom side I was able to snare that from above using a loop snare and I pulled hard enough that I actually bent the the head of the filter over and was able to remove it

through the sheath and so a couple weeks later Babri you posts his exact same filter that's bent over like this he called it the ragdoll filter which I really like I think I've replied to him and said it look like a solvent or dolly

picture with the filter draped across the tree and then a follow-up from Brad Thomas says there it goes it's out and he did the exact same thing he couldn't bent the filter over so none of us talked or anything like this this is all

posted on social media you learn a lot about emerging technologies you learn about filters that are coming down the road Peter Horner a good friend of mine from from Denver who I correspond with

probably a year on Twitter before we met at a conference and just met up and had a drink so he talks about this filter that opens up after a period of time it can it converts to a stent with six months

96% within six months and then you have the absorb alive EC filter coming out of Indiana again with links to the publication's on it just all sorts of really cool things where you can learn about these new emerging technologies I

can't wait to get my hands on this device is the Aptus device that are the captives device sorry I kind of doing that Bob Ryu has been involved with which is a different way of of grabbing the top of the filter that doesn't

require a snare doesn't require a loop it actually kind of molds over the top of it and grabs and pulls it out here's another picture of it and I love this one where where Bob if you got a if you don't follow Bob you gotta follow him

he's got the greatest sense of humor but he says I was filter out with my brand-spanking-new Colorado filter a fellow Demetri with the cap to spice ho-hum he says to me kids today I say to him and then now the penultimate which

is the captives plus the laser and then this is how Luke Skywalker likes to do is filter out there are parody accounts as well and this is my favorite if you guys don't know Scott tree atoll he's been at Penn forever he's the chief and

chair there and vehemently opposed to social media so somebody put this together and if you don't know this he he has strong opinions first of all and two he wears these sneakers and he only does his cases in these white sneakers

and he's been using the same pair of sneakers for like 25 years so here's a tweet where Bill Strava law post said I wore those shows with the case once in the better filter jumped off patients on its own so that's

another way to get a filter out I guess you just wear those sneakers so thank you for your attention [Applause]

fish through creation one is screening with ultrasound you really have to be able to look at these patients and I'm you know when I talk to our physicians they say we have a great

ultrasonographer named Megan and so I say the first thing you need to get yourself a meg everybody needs a meg and May because meg knows what to look for what to look for what's a measure where to get flows and she submits that to us

now other than the anatomic part you know at our place you know we're very particular about and selected we try to be thoughtful about you know who gets what access and that's what the new dokey guidelines are gonna say you know

the best access for the right person at the right time so for example you know if you come in with a catheter and we can you know we'd won from a 275 mile radius people come to us you know for access because you know they they've

they've been given up the cases have been given up by local people and you've got a catheter my first thing I say is how long is the catheter been in and they said well catheters been in for eight months you're not getting a

percutaneous fistula if your catheters been in for eight months I'm gonna call one of the surgeons think I am with part of my group you know we have no competition there's no turf wars we're all friends we like each other we like

working together it's a great place I say Karl Karl Willy who was recently from Tampa - Karl illustration - sick catheter for six months is okay I'm going to create they put a flick seen graphed in the

upper arm probably with a suture listen a stenosis and pull the catheter tomorrow that patient's going to be dilating with a graph where the dialyzer will be graphed you know because after six months you don't want a cath over

there when you start going down that road of infection endocarditis vascular damage all that kind of stuff if you come in and you started with a catheter because somebody wasn't looking ahead far enough and you got a catheter and

they come here for accents placement catheters been in for you know two weeks three weeks one month there's a good chance you're gonna be seriously mapped for a percutaneous special because now we have time we've got we arbitrarily

have considered the six months window that we can probably work with the catheter there's nothing to prove that there's nothing in the literature in fact I had a discussion last night with someone from one of the companies who

wants to do some type of a trial to look and see when can these catheters really do go bad and so you're gonna get worked up for a percutaneous fish and clearly if you come with stage four you know know you're not on dialysis they don't

know when you're gonna go into Alice's but they you know you're going in that direction you're gonna get seriously worked up for a percutaneous fistula one patients are still psychologically trying to wrap their head around the

fact that they're going to be on dialysis it's much easier to tell them you come in you're gonna get a puncture two punctures you're gonna go home with a band-aid and we'll take care of this we'll get this up and running over the

next six weeks eight weeks ten weeks and when you need it it's gonna be ready to go and you won't need a catheter then we tell them you don't not gonna need this catheter sticking out of your neck they're very happy and they usually

agree to do the percutaneous miss doula also since you don't get those big ropey fish - as I talked about when these patients are in dialysis you know how many people ever been to a dialysis unit that's how I tell physicians you want to

you know you want to look build a practice like this go to the dialysis unit talk to the charge charge nurse do rounds once a month or once every couple of weeks with a nephrologist and that's how you build the practice but these

patients they're in the chairs they're talking to each other right and they say hey how come you don't look like a cling-on you know with this big veins you know you where's your fistula and then they want that you know they it's

really cosmetically very pleasing these patients are so deserving and they have such horrible I was being tied to that machine three days a week so any little bit of hope we can give them I think is is worth it alright in summary it's not

a one-step procedure and then we try to make patients understand this you may need a secondary angioplasty or embolization in the future hopefully not usually about 30% of the time has great value in the stage Forge so we

talked about more acceptable to patients coming to grips with their future may make a significant difference with the catheter people starting with a catheter and I think whoever is going to do this really has to have a commitment to

access this is not you're not doing a procedure you're actually developing a treatment plan or a treatment system and so then these patients are yours once you do this you're following them you're keeping them working you know how do you

sell this to the surgeon you sell to the surgeons this way because if you start this program you know people are gonna start coming to you they're gonna come out of the woodwork it's like if we start doing AVM stuff that they start to

come from nowhere and you're gonna draw so many patients the in that surgeons are going to have more work and there's no question because everybody's not going to be a candidate and so I mean when bobwhite if hopkins years ago

started doing angioplasty the business of surgery increased by 15% so you're gonna see you're gonna make the pie bigger that's how you sell it you're making the pie bigger and everybody can feast on the pie leverages our expertise

as interventional radiologists and image guided procedure list to make these procedures work I think we're in a great position a really great position if you listen to Alan Matsumoto the other day at the toddler lecture we're in a great

position for the new age of medicine and it may be the ideal procedure for multidisciplinary collaboration I can't do basilic vein transpositions or elevations or brachial vein elevations so it's good to have a surgeon that

you're friendly with that will make these things happen they're all part of the group that's necessary and I think that could be it yes ah I'm from New York and I'm a shameless marketer and so I would encourage you if you're

interested or some of your attendings or interests come to the vasa practicum it's gonna be done in Houston with dr. Eric Pete and chief of vascular surgery is running the meeting you get to put your hands on all these devices and put

and stuff you can all do it I mean it doesn't have to be doctors you have big models and they'll have live cases and it's a great opportunity in 2020 since I'm the president-elect of Vassar we're gonna run the meeting in

Charleston that's gonna be held out a hell of a lot of fun so we encourage you to come to Charleston in 2020 thank you very much not questions yeah

thrombectomy is another popular way of treating patients there's a lot of different aspiration catheters the SPX catheter is actually not available currently in the US but what it basically is I can have the rectum a

device that spins in such backlot the Indigo thrombectomy system from penumbra is a yet another device that sucks out clot I think many of us have used that it's kind of like a vacuum cleaner but usually more like a dust

hand vac where it's going to suck up thrombus the angio vac is much more like a Hoover where you're going to use and put a patient on veno-venous bypass that requires a 22 French sheath and a 17 French sheath but that will take out

thrombus I personally prefer using NGO vac in the IVC in big large thrombus for that and not in the pulmonary arteries because it's very inflexible but it's very very useful in a few patient populations in

all of these devices there is no TPA that needs to be given you're just sucking out the clot and you're actually removing it from the patient's body rather than dissolving it and sending it downstream the drawbacks on all of these

devices is their larger access points the SP or X is around six French although that's not that much bigger penumbra device is 8 French and the as we mentioned the angio vac is 22 French

next is me talking about Egypt and Ethiopia and how I are how IRS practice in Egypt and Ethiopia and I think feather and Musti is gonna talk a little bit about Ethiopia as well he's got a

lot of experience about in about Ethiopia I chose these two countries to show you the kind of the the the the difference between different countries with within Africa Egypt is the 20th economy worldwide by GDP third largest

economy in Africa by some estimates the largest economy in Africa it's about a hundred million people about a little-little and about thirty percent of the population in the u.s. 15 florist's population worldwide and has

about a little over a hundred ir's right now 15 years ago they had less than ten IRS and fifteen years ago they had maybe two to three IRS at a hundred percent nowadays they're exceeding a hundred IRS so tremendous gross in the last 15 years

in the other hand Ethiopia is a very similar sized country but they only have three to five IRS that are not a hundred percent IRS and are still many of them are under training so there are major differences between countries within

within Africa countries that still need a lot of help and a lot of growth and countries that are like ten fifteen years ahead as far as as far as intervention ready intervention radiology

most of the practice in Ethiopia are basic biopsies drainages and vascular access but there is new workshops with with embolization as well as well as well as vascular access in Egypt the the ir practice is heavily into

interventional oncology and cancer that's the bulk that's the bulk of their of their practices you also get very strong neuro intervention radiology and that's mostly most of these are French trained and not

American trains so they're the neuro IRS in Egypt or heavily French and Belgian trains with with french-speaking influence but the bulk of the body iron that's not neuro is mostly cancer and it involves y9e tastes ablations high-end

ablations there's no cryoablation in Egypt there is high-end like like a nano knife reverse electric race electroporation in Egypt as well but there is no cryo you also get a specialty embolization such as fibroids

prostate and embroiders are big in Egypt they're growing very very rapidly especially prostates hemorrhoids and fibroids is an older one but it's still there's still a lot of growth for fibroid embolization zyou FES in Egypt

there's some portal portal intervention there's a lot of need for that but not a lot of IRS are actually doing portal intervention and then there's nonvascular such as billary gu there's also vascular access a lot of

the vascular access is actually done by nephrology and is not done by not not done by r is done by some high RS varicose veins done by vascular surgery and done by IRS as an outpatient there's a lot of visceral angiography as well

renal and transplants stuff so it's pretty high ends they do not do P ad very few IR s and maybe probably two IR s in the country that actually do P ad the the rest of the P ad is actually endovascular PA DS done by vascular

surgery a Horta is done all by vascular surgery and cardiothoracic surgery it's not done it's not done by IR IR s are asked just to help with embolization sometimes help with trying to get a catheter in a certain area but it's

really run by by vascular surgeons but but most more or less it's it's the whole gamut and I'm going to give you a little example of how things are different that when it comes to a Kannamma 'kz there's no dialysis work

they don't do Pfister grams they don't do D clots the reason for that is the vascular surgeons are actually very good at establishing fishless and they usually don't have a

lot of problems with it sometimes if the fistula is from Beau's door narrowed it's surgically revised they do a surgical thrombectomy because it's a lot cheaper it's a lot cheaper than balloons sheaths and and trying to and try a TPA

is very expensive it's a lot cheaper for a surgeon to just clean it out surgically and resuture it there's no there's no inventory there are no expensive consumables so we don't see dialysis as far as fistula or dialysis

conduits at all in Egypt and that's usually a trend in developed in developed countries next we'll talk

note of PA D in patients with diabetes unfortunately in diabetes all the bad things that happen in PA D amplified in diabetes so 20% of patients with

diabetes over 40 40 have PA D diabetes increases the risk of claudication three times in men eight times in women all right basically everything you think about going bad happens in diabetes it is more common it's more often silent

which means you're not going to catch it earlier it happens at a younger age it gets worse faster and the male and female distributions equal 15% of patients with diabetes develop ulcers and 85% of amputations it's the most

common cause of non-traumatic amputations worldwide and should be preventable so when we're in the angio

so let me just be honest you know two things about me when I speak I can't stand still if you've ever heard me talk

before so he always has to make me up but secondly I don't think I'm gonna make it through this without getting emotional I feel like if I can get through this whole spill without it being an ugly cry then I look like it's

a success and if you don't know what that is you can Google Kim Kardashian ugly cry so all right so I had the opportunity to go to Tanzania in October November of this year and be part of the first ground zero nurses on the ground

and the first IR there and let me tell you how this went down the end McNamara was really involved with rad aid before she got off our board and one day I had a wild hair and told Bruce from our management company was like hey I think

I want to do one of those trips can you hook me up with Patti over at Rite Aid and he was like yeah sure so Patti calls and she said you know I think he'd be great for a tanzania project I'm like great let's go and she's like wait now

who are you and how do we how are you even affiliated with Arab and I said no where's Tanzania so that's where it's at and if you know me I'm kinda like eh let's go and I don't even know where we're going and it's a 23 hour flight in

case you're interested but Tanzania is a country of 60 million people for you to get a perspective of what that looks like it's California and New York State's population combined and could you imagine not having an IR we've

have five IR s in Little Rock Arkansas going down one small interstate that looks like no biopsy no drain no just the very basic IR procedures that we take for granted don't exist there or didn't before we got there so in October

of 2017 the Yale read a chapter went down there and they assessed the potential for establishing an ir intends and so based on these findings they decided with went collaboration between the movie and Billy National Hospital

the orthopaedic Institute which you're actually like toothed small hospitals on the same campus or actually excuse me MNH is very large and then mo I is kind of smaller but on the same campus there University and the Rite Aid chapter they

would joint plan to start the first ir so the program consists of three components which is practical training a curriculum development and then finding a way to create some sustainable product development you're probably probably

aware you hear about people donating products to these countries but there's the sustainable how do I create a program in a process where we're not just waiting on someone to donate something where we can keep this our

system going so the program overview so this was we're going on two-week rotations over three years and the teams consist of an IR doc and RN and Artie we were the first group to go over in 2018 and so our goals are in year one to do

basic percutaneous procedures biopsies and drains year to going to vascular access and in year three doing more angio type cases like tase's embolization zan etc and developing a teaching curriculum because while there

is a radiology program for residents there was an IR specific one and they're creating that now so our goal is the first nurses on the ground was to provide this comprehensive nursing assessment to help map the project over

the next three or five years now when they went in the year before you can imagine all of the infrastructure assessment all of the you know the equipment there was so much that went into that but the nursing piece was our

job as the first people on the ground and this was so incredibly well received in Tanzania and they were so excited that we were on the front page of the Guardian you can see our doctors Eric and aza down at the bottom right who are

actually here at SAR this week on what looks like to be Good Morning America in Tanzania and when I arrived I was I found out we were having a first conference and there was a camera in my face so I'm

not sure what's which Swahili speaking news outlet I was on but I think I might have been on one and to the left you can see David Pro logo was the attending that I worked with at the same press conference so what I'm trying to say is

no pressure I was like we got it no pressure we have to create this nursing assessment and we wanted to do a good job because it was very well received in the media and we wanted to make sure this all went off really well I would

so just a compliment what we everybody's talked about I think a great introduction for diagnosing PID the imaging techniques to evaluate it some of the Loney I want to talk about some of the above knee interventions no disclosures when it sort of jumped into

a little bit there's a 58 year old male who has a focal non-healing where the right heel now interestingly we when he was referred to me he was referred to for me for a woman that they kept emphasizing at the anterior end going

down the medial aspect of the heel so when I literally looked at that that was really a venous stasis wound so he has a mixed wound and everybody was jumping on that wound but his hour till wound was this this right heel rudra category-five

his risk factors again we talked about diabetes being a large one that in tandem with smoking I think are the biggest risk factors that I see most patient patients with wounds having just as we talked about earlier we I started

with a non-invasive you can see on the left side this is the abnormal side the I'm sorry the right leg is the abnormal the left leg is the normal side so you can see the triphasic waveforms the multiphasic waveforms on the left the

monophasic waveforms immediately at the right I don't typically do a lot of cross-sectional imaging I think a lot of information can be obtained just from the non-invasive just from this the first thing going through my head is he

has some sort of inflow disease with it that's iliac or common I'll typically follow within our child duplex to really localize the disease and carry out my treatment I think a quick comment on a little bit of clinicals so these

waveforms will correlate with your your Honourable pencil Doppler so one thing I always emphasize with our staff is when they do do those audible physical exams don't tell me whether there's simply a Doppler waveform or a Doppler pulse I

don't really care if there's not that means their leg would fall off what I care about is if monophasic was at least multiphasic that actually tells me a lot it tells me a lot afterwards if we gain back that multiphase the city but again

looking at this a couple of things I can tell he has disease high on the right says points we can either go PITA we can go antegrade with no contralateral in this case I'll be since he has hide he's used to the right go contralateral to

the left comment come on over so here's the angio I know NGOs are difficult Aaron when there's no background so just for reference I provided some of the anatomy so this is the right you know groin area

right femur so the right common from artery and SFA you have a downward down to the knee so here's the pop so if we look at this he has Multi multi multiple areas of disease I would say that patients that have above knee disease

that have wounds either have to level disease meaning you have iliac and fem-pop or they at least have to have to heal disease typically one level disease will really be clot against again another emphasis a lot of these patients

since they're not very mobile they're not very ambulatory this these patients often come with first a wound or rest pain so is this is a patient was that example anyway so what we see again is the multifocal occlusions asta knows

he's common femoral origin a common femoral artery sfa origin proximal segment we have a occlusion at the distal sfa so about right here past the air-duct iratus plus another occlusion at the mid pop to talk about just again

the tandem disease baloney he also has a posterior tibial occlusion we talked about the fact that angio some concept so even if I treat all of this above I have to go after that posterior tibial to get to that heel wound and complement

the perineal so ways to reach analyze you know the the biggest obstacle here is on to the the occlusions i want to mention some of the devices out there I'm not trying to get in detail but just to make it reader where you know there's

the baiance catheter from atronics essentially like a little metal drill it wobbles and tries to find the path of least resistance to get through the occlusion the cross or device from bard is a device that is essentially or what

I call is a frakking device they're examples they'll take a little peppermint they'll sort of tap away don't roll the hole peppermint so it's like a fracking device essentially it's a water jet

that's pulse hammering and then but but to be honest I think the most effective method is traditional wire work sorry about that there are multiple you know you're probably aware of just CTO wires multi weighted different gramm wires 12

gram 20 gram 30 gram wires I tend to start low and go high so I'll start with the 12 gram uses supporting micro catheter like a cxi micro catheter a trailblazer and a B cross so to look at here the sheath I've placed a sheet that

goes into the SFA I'm attacking the two occlusions first the what I used is the micro catheter about an 1/8 micro catheter when the supporting my catheters started with a trailblazer down into the crossing the first

occlusion here the first NGO just shows up confirmed that I'm still luminal right I want to state luminal once I've crossed that first I've now gone and attacked the second occlusion across that occlusion so once I've cross that

up confirm that I'm luminal and then the second question is what do you want to do with that there's gonna be a lot of discussions on whether you want Stan's direct me that can be hold hold on debate but I think a couple of things we

can agree we're crossing their courageous we're at the pop if we can minimize standing that region that be beneficial so for after ectomy couple of flavors there's the hawk device which

essentially has a little cutter asymmetrical cutter that allows you to actually shave that plaque and collect that plaque out there's also a horrible out there device that from CSI the dime back it's used to sort of really sort of

like a plaque modifier and softened down that plaque art so in this case I've used this the hawk device the hawk has a little bit of a of a bend in the proximal aspect of the catheter that lets you bias the the device to shape

the plaque so here what I've done you there you can see the the the the the teeth itself so you can tell we're lateral muta Liz or right or left is but it's very hard to see did some what's AP and posterior so usually

what I do is I hop left and right I turned the I about 45 degrees and now to hawk AP posterior I'm again just talking left to right so I can always see where the the the the AP ended so I can always tell without the the teeth

are angioplasty and then here once I'm done Joan nice caliber restored flow restored then we attacked the the common for most enosis and sfa stenosis again having that device be able to to an to direct

that device allows me to avoid sensing at the common femoral the the plaque is resolved from the common femoral I then turn it and then attack the the plaque on the lateral aspect again angioplasty restore flow into the common firm on the

proximal SFA so that was the there's the plaque that you can actually obtain from that Hawk so you're physically removing that that plaque so so that's you know that's the the restoration that flow just just you know I did attack the

posterior tibial I can cross that area I use the diamond back for that balloon did open it up second case is a woman

higher procedures that get done in the country so they are from being basics such as being para sentences and in some

centers being quite complex in Euro work and there are centers where these none of all those that IR procedures being available so it's a very unequal distribution of provision of IR services and like I mentioned earlier on vascular

surgeons and cardiologists have basically taken over the peripheral vascular work and iogic work and other known neuro speciality such as bid early interventions for example saying that these two surgeons who are in some

remote centers who are doing their own provision as biliary basic interventions there is one neuro surgeon who went and had neuro imaging and then your interventional training who is now hundred percent doing a mural

intervention so as far as procedures go my day can be in diagnostic work and you might be dreaming you doing a paracentesis the next thing you might be doing some some I our basic IR and on the same day you might be doing a set

procedure so quite varied but not available in all centers as one would want as fine stuff goes the technology

and then getting back to really where the rubber hits the road you know we can do all of these fancy techniques why

does it matter well Constantin cope one of the fathers of IR is certainly the pioneer of lymphatic interventions and over subsequent five publications in the mid 90s really showed the the technical

build as well as the feasibility of imaging lymphatics putting a needle into them and then starting to be able to embolize them and functionally curing patients who had Kyle authorities and a potential morbidity or mortality of over

50% and how did he do it well as he did his lymph angiogram and it got up to the retroperitoneum and the structure started dilating into some of the central structures such as the cisterna chyli he would take that 21 gauge needle

and go after that structure put a needle into him pass a wire that wire would pass into the central lymphatic circulation and then he'd be able to put in a micro catheter Neff set machan visa or whatever inner inner

components and then do central and faint geography as well as potential and fame gia embolization so that would be the general antegrade trains abdominal access this was a traditional access that was done for over a decade more

recently a lot of authors have started focusing on doing retrograde trans venous access which you do basically a PICC line axis on the left arm and you take a sauce catheter to where the thoracic duct dumps into the veins and

you catheterize it backwards and just kind of showing you and get your sheath down or you can put a wire from below and then snare and come across it so that's a retrograde transvenous and finally the direct train cervical access

and some patients who you never see another target you can potentially access this under ultrasound or if you have fluoroscopy and some contrast in there in this case we put our wire retrograde and were able

to complete the case and you see of the lymphatic fluid leaking out in this case as well so those are your three main ways to access the central lymphatics

okay pathophysiology right ventricular the right ventricle is everything when it comes to the pathophysiology of this disease I'm gonna lead you through this because I think it's interesting and important I'm gonna go to this side this

time be fair to both sides of the room so when you have a PE that increases your pulmonary vascular resistance normally the pulmonary vasculature is a very low resistance circuit but when you start putting clots in it it's restive

Gong its its resistance goes up it's kind of analogous to the left an electrical circuit what does that do to the right ventricle well it increases the after load on that right ventricle so what that does is it causes the right

ventricle to blow up like a balloon now by Laplace's law if you take a balloon and you blow it up the intramural pressure is higher in the balloon so if you can imagine that thin walled balloon if you took the pressure at each point

inside of the balloon because it still got a finite thickness the pressure is higher than if it's decompressed now the problem with that is that how does the right ventricle get blood it gets blood from the coronary arteries but if the

pressure inside the ventricle is higher than the pressure differential is less and what what what is Flo rely upon it relies upon a difference in pressure from point A to point B so if that starts to equalize your blood flow to

the right ventricle decreases okay that's why the right ventricle gets ischemic now when the right ventricle becomes ischemic it can't squeeze as hard so it gets hypokinetic when it dilates it also does

not seem to squeeze out as well because the muscle fibers aren't overlapping as well okay so both of those things lead to both so that the right ventricle is now not squeezing is hard and it's not getting blood forward to the left

ventricle so that results in LV preload reduction though LV is not seeing as much blood on top of that when the right ventricle dilates it starts impinging on the left ventricle so now the left ventricular cavity is smaller and it can

accept less blood your output is only as good as your input okay so that's where you start developing systemic hypotension because your left ventricle can't pump out as much blood what happens when your left ventricle can't

pump out as much blood you don't get as much blood into your coronary arteries you don't get as much blood into your coronary arteries you're not getting as much blood into your right ventricle this is the vicious cycle that leads to

right ventricular failure and the progressive death that you see with massive PE now if you were to draw a line like that everything above the line is sub massive PE everything below the line is massive PE okay this is a big

experiment I did we were trying to create sub massive PE we created a massive PE this used to be mostly the L the left-sided chambers and all of a sudden became the right-sided chambers to me this drove home how much the right

side can blow out and dilate that's the only point of this picture I hope I didn't cross you out okay so let's talk

access reowww lytic thrombectomy or the angio jet device which is the most frequently used device for this what it does is basic disrupts the clot by shooting out TPA

embeds it into the clot and then you suck it up using suction thrombectomy using the venturi effect and you aspirate some of the clot and you can see that here that's a picture from I think the angio jet website the benefit

is that it can be you can use it without TPA and just use the suction thrombectomy mode with heparinized saline and that can be helpful to help break up some clot the drawbacks is that it has a black box warning from the FDA

so we do this every once in a while in the right patient but this is definitely not recommended by the company or anyone for that matter but it does work in some cases and the main reason is that the the vibrations caused by the device can

cause significant bradycardia in addition to the bradycardia that you get from red blood cell really lysis that you get with these devices so you actually couldn't cause arrhythmia on top of bradycardia which sounds like a

bad a bad combination and these patients can get hemodynamic collapse and die right on the table just cuz you turned on the device so that being said we've all I think done it once or twice I've seen I've only done it once and I never

do it again because a patient coded one of my colleagues did it on a patient because the patient was already coding said well what's the harm and that patient survived they did better actually because we were able to break

up the clot so I will say that if you do it and the patient doesn't do well you really don't have a leg to stand on because right on the cover of the packaging it says do not use in the pulmonary arteries aspiration

my talk is titled extremely obvious IR and I think as we move through these slides you guys are going to be able to pick up really quickly on why I elected for that title so this is a patient this is a 67 year old male he had an Evo repair in 2014 in 2015 he

underwent two repairs for persistent type 2 endo leak and this was done via transsexual approach in 2018 we got a CTA that demonstrated an enlarging aneurysm sac so here's just some key critical images from the CT I had the CT

and its entirety today but I had to like panic dump a lot of slides off of my powerpoint I'm always the girl at the airport that you see transferring things from one suitcase to the other like right when it's about to get onto the

airplane so what do we notice about where we see the contrast in these in these images so is it anterior is it posterior anyone its anterior so what if I told you that we see contrast in the anterior sac but this patient has an

included ima where is it coming from so we get the CTA we see any large aneurysm sac we see it an endo leak we bring them into clinic we go through the routine things the patient denies abdominal pain they deny back pain and so we go ahead

and all of our infinite wisdom and we schedule them for a trans cable approach to repair what we call a type 2 and delete now one of the most the most important key sentences from the workup is we say this is likely a type 2 in the

leak but a feeding vessel is not identified okay so our usual algorithm at UVA if we get a patient we do a CTA we bring we see any sort of endo leak if we cannot identify a feeding vessel usually what we do and you can let me

know if this is the same at your practice or if it's different we'll bring them in and we'll do some dynamic imaging from an arterial approach and we'll try to see you know is it really type 2 can we identify a feeding vessel

and oftentimes what happens in those situations is you you identify oh it is a type 2 we just see where it was from and we're gonna have to bring them back and we're gonna have to put them prone and we're gonna

have to stick the stack directly so we thought we were gonna outsmart it this time like we we were gonna just identify that it was typed to you right from the get-go do I have the play button or do you have the play button awesome all

right so this is our trans cable access so what we're doing these days to do our trans cable access and our fenestrations is we're actually using a t lab kit so we're using the transjugular liver biopsy sheath and we're putting our

65-centimetre cheap a needle through that so everything's going great so far we see our sheath in access goes smoothly I might have gone for two slides can you hit the I'm not sure yeah go ahead and hit that nope go ahead and

go one for slide and then just play that video for me yes please awesome so this happens pretty quickly can you play that video again and just keep playing it through on a loop and so we do an injection from our microcatheter from

our trans cable approach and what do you guys noticing where are you noticing the contrast tracking yeah in the red circle [Music] it is now right so everybody at UVA is is a proficient Monday Morning

Quarterback let me tell you so we see the contrast tracking down outside of the iliac limb so now we're all going okay can you go ahead all right go ahead and play this video all right so we get access into the femoral artery

just to make sure because at this point we're hoping against hope we haven't put this on the patient we haven't put this patient on the table MANET made a trans cable puncture only to identify that this patient does in fact have a type 1

B in delete but our arterial access proved that is exactly what we did the junction of the yes we did we did a trans cable puncture to identify that it was a junction leak so that's a problem right because we have

this action going on right so we have a trans cable puncture as dr. Haskell just adapt ly summarized we have a trans cable puncture we've done nothing so far but identify that this patient has the type 2 in a week so it is a micro

catheter right it's just it's just a party foul and then it was the fellow's dream because you pull out and there's nothing to hold pressure on there's nobody's dream at that point so I want to stop here and I want to just take a

moment you guys can live my psych at night so do you ever your so my normal algorithm for my patient since I come in in the morning I look at the patient's chart I review their prior imaging and I try to

do all of these things before looking at my attendings plan because one of the things that I realized is that challenges me to try to figure out what's my plan for the patient what do I think the most appropriate inventory

would be and every once in a while you see something in the plan that doesn't quite jive and you're like there's this is likely a type 2 in the league although a feeding vessel is not identified so I have two options at this

point I either walk down to the reading room and I say hey someone tell me what's going on we don't identify that type - is it worth doing a diagnostic imaging or anyway I just roll with it and this

was a day where I elected to roll with it and so I just want to take a moment and reiterate it's always important for all of us to you know you have a voice and use it and you want to bring up these

things that's sometimes we all start going through the motions where you work with someone that you trust a lot it's really easy to say like Oh someone's smarter than me caught that right so going back it's like it's like that

terrible joke what is the radiologists favorite plant the hedge mmm that's what that is it's like well it could be but it might be and ray'll right you go ahead and play this so this is just our walk of shame as

we're casually embolizing our track out of our trans cable approach and here we are back in clinic so again this is a 67 year old manual with recent angiogram that demonstrates significant type 1b endo leak and we plan for an extension

of the left aortic lab so we bring the patient back we do a standard comment from our artery approach we get into the internal iliac we identify the iliolumbar all kit all standard things we drop an amp at Sur plug to prevent

any sort of further type to end a leak into the limb that we go ahead and extend we put in the iliac limb we balloon it open we'll go ahead and play this video and our follow-up angiogram reveals a resolved type to end a week so

ultimately we did it so what are

good afternoon thank you so much for invitation to speak to you I have a privilege of working at Johns Hopkins and we have a fairly large practice we at the main hospital itself we have 11 rooms and during a day about two of them are have a biliary case actually going

on at the same time so it's actually a fairly large volume of our practice and so the gamut of bluie intervention goes from really simple stuff to really complex and it is something that our trainees specifically will come to

Hopkins for and many of times they will end up being the blurry and experts as soon as they arrive at a new practice so certainly it's something that we deal with every day I just wanted to give you a landscape overview and share some good

cases that we've done and hopefully you may something have some comments or learn something about the way we do it but I'm pretty sure throughout the country a lot of great Billu work has been done currently there's no question

though the Blooey access and access to the Blooey system has really been played out in most hospitals perth by GI and ir and obviously surgery but almost a lesser so today and the rat in at least four IR is the PTC PPD or transparent

Col angiogram but it's actually a recurring role and I actually speak and have a sort of special interest in transit paddock colonoscopy as well so we play scopes through the skin through the liver and do a lot of balloon

intervention I'll show you a few cases like that but in true these access points are germane to what specialty you come from and obviously endoscopic beeper oral and if you eye are usually usually through the skin and there's no

question GI now in some hospitals I'm sure you have advanced endoscopy that will go through the stomach straight into the leftover liver so there's no question of a blurry landscape is changing quickly but no question that

this is quite common but yet most patients and internal medicine specialties will be looking at blurry disease by access point through scopes through ercp so going back from the Duden up or directly through in there's

advantages disadvantages something it's fairly obvious to everybody that you know no question is selling it to a patient if it had both choices that ERCP through the mouth and nothing invasive nothing sticking out their body

is attractive yet the outcomes are very similar but nonetheless there's pros and cons and through the trance of had a crap or two percutaneous route you do definitely have tubes at least sticking out

initially and this is often solved by GI as the main differentiator at least a discomfort but yet we are able to address almost every problem at times and often where'd they pay a lot there's

patient female patient who has the sudden onset of upper abdominal pain here's the CT we did all these cases in one day it was crazy it was terrible so so here's a big hematoma a big peritoneal hematoma you

can see it anterior to the right kidney you can see the white blob of contrast right in the middle of the hematoma that's a pseudoaneurysm or even active extravagance um less experienced people would probably say it's active

extravagant I think most of us would prefer that it be called kind of a pseudoaneurysm this active extrapolation would be much more cloudy and spread out this is more constrained and you can see on the

coronal image you get a sense that there's that hematoma same type of problem all right is there more imaging that we can do to figure out the next step again I said earlier earlier in this lecture

that sometimes we use CTA now sometimes a CTA is worthwhile I do find that for a lot of these patients I think we're getting smarter and we're doing CTAs right at the beginning of this whole thing you know when a trauma

patient comes in we're getting CTAs so we can max out the amount of information that we get on the initial diagnostic imaging here's what we're seeing on the CTA and in this particular case I think it's pretty clear that you can see the

pseudoaneurysm arising from what looks like a branch of the superior mesenteric artery so this is just an odd visceral and Jake visceral aneurysm which looks like it probably ruptured I don't have an explanation for it led to a big

hematoma here's what that is and now we're gonna do an angiogram the neat thing is it just perfectly correlated with a conventional angiogram so here's our super mesenteric angiogram all right the supreme mesenteric artery

on the first image to the left is that vessel going downward towards the right side of the screen all those vessels coming off are really just collateral vessels going up to the liver through the gastroduodenal artery again that

left one looks pretty good it's not until you see the delayed image on the right that you see that area of contrast all right so that's the finding that correlates with the CT scan all right here we're able to get in there you put

a micro catheter in that vessel alright the key next step for this patient as I mentioned earlier is the whole concept of front door and back door so here we're technically in the front door the next thing that we do is we put the

catheter past the area of injury and now we embolize right across the injury because remember once you embolize one thing flow is gonna change we screw it up body the body wants to preserve its flow if we block flow

somewhere the body's gonna reroute blood to get to where we blocked it so we want to think ahead and we want to say okay we're blocking this vessel how's the body going to react and let's let's get in the way of that happening that's what

we did here so we saw the pathology we went past it we embolized all across the pathology and boom now we don't have anymore bleeding and the likelihood of recurrence is gonna be very low for that patient because we went all the way

across the abnormality and I think from

of the simulation and mentis simulator that we purchased that our system and purchased it's used in conjunction with

the cardiologists and first second third year cardiac fellows interventional fellows who also have the opportunity to practice on this but what I really liked about this and what really surprised me is how real it

is for learners and for our texts that come in our technologists using this piece to move the C arm to move it left to move it right injecting contrast which is actually air but you know we want to say it's contrast I'm moving the

table understanding how to pan the table how to move the CRM there's a lot of different functions that they can use collimation magnification so this board this panel is pretty much what they're going to do on a daily basis so this is

extraordinary and the picture next to it shows us some 3d dimension three-dimensional pictures of the coronary arteries laid out in different projections so depending on how you move your C arm you'll be able to see the

different angles of your coronary arteries again this is live real-time simulation 3d dimensions so we don't have to actually inject the contrast to visualize our coronary arteries in our a Horta there's a function button that you

can push and it automatically displays the three dimensions so it makes it easier for us to identify those arteries without having to inject and show the different views so it's fascinating in more pictures that showing doctor Lee

came who came to Phoenix Banner University Phoenix to help demonstrate so this is our first week after we've introduced the mentis to our learners and had them play with some of the functions again following up with dr.

Lee's visit he's the one that questioned our staff our learners and reiterated what Michael and I have taught in the first week so basically just understanding and reiterating everything that we went through and having our

learners hear it again from the physician what does he want how does he expect his staff to participate in how do his how does he expect his so what are the expectations of our learners so he was really forward he

asked them great questions they answer them because we taught them but we also showed that he also was able to show them some techniques that they as physicians would like the learners to know right so um he is the clinical

expert obviously so it was really nice to see them interacting together and answering questions again just another photograph of one of our learners using the mentis and showing the actual x-ray view on the left and showing the 3d

dimension on the right these are this is our photograph so we took these pictures during our last week of our programs so this is our final wrap-up putting it all together so we basically took them to the lab we we borrowed one of the labs

we asked our operational leaders if we could borrow one of the labs they weren't using that day and we came in and we set it all up we wanted to make sure they knew how to open a tray how does that how to set the table how to

set the back table how to prep the table how to get their power injections their med rads or their assists put together so we really went from A to Z during this wrap up final simulation study so our learners gound and glove they put on

their PPE and we did have the mentis underneath the drape so they were able to drape as if it was a real patient and also manipulating those wires so we had our cardiology fellow interventional fellow first I think it was first year

in second year who came to assist they were gracious enough to come in and help us assist that piece while Michael and I could focus on the learners helping them navigate through that lab calling out for supplies calling out for wires

calling out for stents calling out for balloons so it was pretty realistic and I think I think our learners really enjoyed that this is just another view of our table being set up one of our learners

scrubbed in she was an RN and she was learning kind of moved the table again you don't really get to do that in real life but in simulation all is game so they got to play and here's an image of our cardiology fellow it's not playing

so what it shows is the simulation of the angio angiogram of the coronary arteries so while we inject the contrast you can see the arteries filling in that simulation unfortunately we can't seem to get it to play again more pictures of

me teaching them how to move the table and the position that they needed to be in so and so we also wanted to make it

patients may be asking you is like what about adenomyosis and I've been hearing something about that which is not exactly fibroids right it's a different entity though the symptoms could be kind of the same and for the years and years

and years we wouldn't have any options for patients who had adenomyosis in fact the only option for patients with adenomyosis is surgery but adenomyosis can coexist with fibroids and sometimes patient presents with adenomyosis alone

so we've had some studies now that have looked at that and although the data is not as robust and not as awesome as for patients with fibroids we do provide a performing bolas Asian for those patients with particles that are little

smaller than what we would use for fibroids with results as you're seen there before now the only other new thing that's on the market and it's not so new to you guys that are probably doing radial in femorals anyway working

in cardiac labs and IR labs it's actually what we call the trophy if you go back one slide for me mr. a the person and press play then we will be able to see that radial access I do not work for Merritt they don't give me a

dime I just thought that this was a good video is there volume on that at all if not I can just talk about it and really what it says is that if you need to a radial UFE or have radial axis for a uterine embolization patients just love

it more they and especially like patients that are already just intimidated they don't want you going near their groins at all they actually could just lay on the table we don't have to put up we don't put a Foley in

they just get a radial access the same way that you would just be starting in a line except we have special types of radial catheters and and sheaves to do that and I don't offer a radial access to

patients who are too tall for our catheters or if they've had multiple prior radial access and don't have an intact ulnar artery to complete their hand but it's much like any of that femoral access that you would normally

see they make special hydrophilic sheaths now they're called from this particular company slender technology where the inner diameter of the sheath essentially the sheath is the same like five French on the outside but they have

cored out the inside so it's a bigger diameter so it's a five six so on the outside it's a five but it will take a six French in the inner inner lumen and you know my practice we do more than 80% of all our arterial punctures with a

radial access and everybody here comes dr. Sean Deroche Nia who is the leading author of that paper for SI R and one of my esteemed partners so most patients are able to get up and walk out if you are go from a radial access the access

is actually closed with just a radial band and the complications of having a hematoma or having the patient's bleed out those just all go away but radial axis have their own complications so I'm not here to say that it is not that but

in our practice we found it to be safe and effective our patients want it and it's become like a practice differentiator so if you're working in a practice that don't do radial you EFI's right now you should mention it because

if you're in a population where the other providers are only doing femoral then you will automatically get the patients that only want that so here's a patient that had a radial access you can see a catheter that is coming from the

aorta while you can't see that it's not up and over the bifurcation but maybe you do can see that and there's a catheter in the uterine artery with the characteristic

shape of the uterine artery and the characteristic curlicue vessels of of the fibroid and on the left you can see the Imogen for beforehand and the Imogen on the right of post embolization where there is stagnant flow in the main

uterine not main uterine artery in the horizontal portion of the uterine artery for greater than five cardiac beads and again there's there's no reason that you have to know that level of detail except that you're scrubbing in but if you're

in the audience you're looking at this you're like dr. Newsome I see an air bubble there as well then I'd say good because because I do see it too so you can see the preimage and you can see the post image for pre and post embolization

these these procedures can be quick these procedures are very very rewarding and and I love to do it

about massive PE so let's remember this slide 25 to 65 percent mortality what do we do with this what's our goal what's

our role as interventionalists here well we need to rescue these patients from death you know this it's a coin flip that they're going to die we need to really that there's only one job we have is to save this person's life get them

out of that vicious cycle get more blood into the left ventricle and get their systemic blood pressure up what are our tools systemic thrombolysis at the top catherine directed therapy at the right and surgical level that what

unblocked me at the left as I said before the easiest thing to do is put an IV in and give systemic thrombolysis but what's interesting is it's very much underused so this is a study from Paul Stein he looked at the National

inpatient sample database and he found that patients that got thrombolytic therapy with hypotension and this is all based on icd-10 coding actually had a better outcome than those who didn't we have several other studies that support

this but you look at this and it seems like our use of thrombolytics and massive PE is going down and I think into the for whatever reason that that the specter of bleeding is really on people's minds and and for and we're not

using systemic thrombolysis as often as we should that being said there are cases in which thrombolytics are contraindicated or in which they fail and that opens the door for these other therapies surgical unblocked demand

catheter active therapy surgical unblocked mean really does have a role here I'm not going to speak about it because I'm an interventionist but we can't forget that so catheter directed therapy all sorts

of potential options you got the angio vac device over here you've got the penumbra cat 8 device here you've got an infusion catheter both here and here you've got the cleaner device I haven't pictured the inari float

Reaver which is a great new device that's entered the market as well my message to you is that you can throw the kitchen sink at these patients whatever it takes to open up a channel and get blood to the left ventricle you can do

now that being said there is the angio jet which has a blackbox warning in the pulmonary artery I will never use it because I'm not used to using it but you talk to Alan Matsumoto Zieve Haskell these guys have a lot of experience with

the androgen and PE they know how to use it but I would say though they're the only two people that I know that should use that device because it is associated with increased death within the setting of PE we don't really know you know with

great precision why that happens but theoretically what that causes is a release of adenosine can cause bradycardia bradycardia and massive p/e they just don't mix well so

the take-home point is this that most of the time when we see a bleeding patient we're thinking of embolization we're thinking of going in looking for an

arterial abnormality going as far into the organ that we can embolizing that organ and trying to preserve as much flow to the normal parts of the tissue that we can to preserve the function of the organ today in the back of our minds

we're always thinking about putting covered stents across this but in some ways you realize that's a band-aid right with just you know the arteries that we put those covered sense and we're severely injured and there's always a

chance that flow can work around there so they could be leaks around covered sense so I still think embolization is a bit more definitive than cover stent placement but I find it when a growing number of patients cover sent placement

is definitely an option for these patients so I am here for ask any questions but I can also appreciate that you have a break it's been a long day so I will not get offended if none of you have questions all right perfect

yeah yeah no that's it's the nature so what what he asked here is is that GI bleed cases tends to be unsatisfying because you hear about them and then by the time you get them down to the NGO suite and you

do an angiogram they're negative and it does happen a lot you should know it's the nature of the pathology so what ends up happening is let's be honest I mean a lot of people who work in AI are just like to push things off sometimes so

they get a call for a GI bleed or they say oh let's get a bleeding scanner let's get a CTA by the time you see them at 6 or 7 hours later and they're negative because they've stopped bleeding and that's the nature of the

pathology so my personal philosophy is to get at these patients as quickly as I can I think it's just a better way to go if someone thinks they're bleeding the faster you get at them the greater the likelihood is that you're going to see

some some abnormality there and I think that's been true I think as we start to do these faster we're seeing more positive cases it might be nice to have a CT angiogram or a bleeding scan but I think by the time you see them after

that you know they're negative it's not anything you're doing wrong it's the nature of the pathology it's intermittent bleeding and that's what happens some people feel like they can give TPA to some of those patients like

they'll go into the SMA they'll give some TPA which let's be honest right all of us are saying what the hell that seems like a horrible idea and I agree with that I mean if the body has stopped the bleeding on its own why in the world

would I give a drug to dissolve the clot to start them from bleeding again so I don't like that idea but there are people that will do a bleeding you know kind of a challenge with TPA to see if they can open up something to identify

the bleeding to then go back in and embolize it I think my bias is coming through and how I answered that I don't know we don't used to out for that anything else yeah I think gelfoam has its place I think

gelfoam has its place for things like postpartum hemorrhage or you know some maybe some trauma and a younger patient but gelfoam in general is something that you're giving over a much larger area of territory so I think if you can identify

a bleed and just coil that particular bleed you're doing a better service for the patient but all these are obviously good hey let's see it in a lecture case in real life you may or may not see something so obvious and I think if you

have a patient that had some bleeding on a CT scan a bad pelvic fracture and you just didn't see it in geographically but you know something's wrong giving gelfoam is a legitimate thing to do all of us equate gel foam with a

temporary embolization effect the truth is we're not we're second guessing that a little bit and a lot of people who use gel foam feel that the extent of the inflammation that we get when we use gel foam is probably so great that even

though the embolic agent itself may go away the occlusion that we caused with the gel foam probably stays around longer than we think so I'm not so sure it's a it's a great temporary agent but I would say which we mostly limited to

postpartum hemorrhage patients yeah what's the cause of it usually it's a uterine rupture it's a vessel rupture I've gone three more questions than the leadership guy which is great anyone else yeah

well there's no doubt about it I think that IR is moving towards radial access I think 10 years from now the vast majority cases are going to be radial access it's the one area of our practice that I think I'm starting to feel my age

in I mean you know I think and you probably may see this at your own centers I think people that have been doing ephemeral access for a long time we're just more comfortable with that one of the issues that we're facing with

radial access as we begin to think about doing more radial access at our place is that we may be comfortable with it but places like the ER and the ICUs and the other areas that we're sending our patients back to are not yet skilled

enough as to how they manage those patients so our nurses are very frequently the ones to say I don't know if they're ready for us to send a radial access patient to whichever floor we're talking about so we have some work to do

to in service those the nurses on those floors as to how to take care of those patients first and until we do that I think we're going to be limited more to outpatient work with our radial access all right guys enjoy the rest of the

meeting [Applause]

happy to take any questions or in

ultrasound we don't usually use contrast but one of the procedures were doing for the treatment management of a pulmonary embolism is the ultrasound assisted Rumble Isis do we need contrast so for the thrombolysis is the catheter itself

so you still need to give contrast two to do the procedure but while the catheter is running you don't need to give any contrast four for that is that what you're we don't usually use contrast for ultrasound but

all right when you're treating how will you know that it sliced the clot is less what you frequently do is check the pressures so that catheter allows you to check the pressure and so once you start a patient so you do a pulmonary

angiogram which requires contrast and you put the ultrasound assisted thrombolysis catheter in the eCos catheter then after 24 hours or 12 hours you can measure a pressure directly through that catheter and if the

patient's pressure is reduced you don't have to give them anymore injections yeah and if we are using ultrasound for treatment is it possible to do it for diagnostic purposes No so not for non the prominent artists for

diagnostic imaging unless you're doing an echocardiogram which is technically ultrasound in the heart but for treatment otherwise you need you will need to inject some dye oh thank you

hi I'm Katrina I'm NGH I have one more question okay for your patients with chronic PE do most of them begin with acute PE or if they very separate sort of presentations that's that's a great question so all of them

had acute PE because you can't have chronic without acute but a lot of them are not ever caught so you'll have these patients who had PE that was silent that maybe one day they woke up and had a little bit of chest pain and then it

went away couple days later they thought they had a bronchitis or a cold and then you find out five years later that they had a huge PE that didn't affect them so badly and then they have these chronic findings they usually show up to their

family practice doctor again with hey I just can't walk as far as I can I have a little heaviness they rule them out from a heart attack but it turns out that they have CTF so you you all of them had a Q PE but it takes a lot of time and

effort to find out whether they truly have chronic PE so it's usually in a delayed fashion thank you all right well thank you guys again appreciate it [Applause]

for the other ECMO cases that came after this one so a whole lot of people came together what this does is you get the oxygen in your blood to come out these are big catheters they seemed foreign because part rays get open but in actual

fact we know how to place these catheters and the ECMO asks where but other people come and talk you through it so but the insertion our interventional things and we actually now have an ECMO alert and here's the

cool thing it's called IR PE or burpee July and we call the co team and say IR PE and a blast page to all these different teams automatically go out and our people make phone calls and cardiac cath people and cardiologists and /

fusions and all this stuff assembles and within 90 minutes there will be a perfusionist team at a max of 90 minutes in a specific room to either standby or potentially initiated it's very cool just called one a couple of weeks ago

they just stood by it we didn't have to do it so it's the first of its kind a per team decides after we have a call whether this might be something that needs ECMO everybody's around it they're available within this sort of time pages

go to all these kinds of people that you go by that you see that get sort of called teams are behind it and if your hospital has ECMO you can do this you can get people around this to see the logic of it catheter directly

dimensions are absolutely growing and getting bigger they're not going away and there are the subsets of massive massive PE patients who have 5 to 7 fold mortality and then there's a sub fraction of supermassive versa you know

plan as well so I wanted to talk a

little bit about imaging I know with our residents and fellows and radiology that's all we do is talk about the imaging and then when go on to IR we talked to them about the intervention but I think it's important

for everyone in this room to see more imaging and see what we're looking at because it's very important for us all to be doing on the same page whether you're a nurse a technologist a physician or anybody else in the room

we're all taking care of that patient and the more information we all have the better it is for that patient so quick primer on a PE imaging so this is a coned in view of a CT pulmonary angiogram so yeah sometimes you'll see

CTS that are that are set for a pulmonary artery's and you'll see some that are timed for the aorta but if the pulmonary arteries are well pacified you're gonna see thrombus so I have two arrows there showing you thrombus that's

sort of blocking the main pulmonary arteries on the left and right side on the patient's left so the one with the arrow that is a sort of very classic appearance of an intro luminal thrombus you can see a little rim of contrast

surrounding it and it's usually at branch points and it's centered in the vessel the one on the right with the arrow head is really at a big branch point so that's where the right lower lobe segmental branches are coming off

and you can see there's just a big amount of thrombus there you can see distal infarct so if you're looking in the long windows you'll see that there's this kind of it's called a mosaic perfusion but it also what kind of looks

like a cobweb and that's actually pulmonary infarct and maybe some blood there which actually will change what we're gonna do because in those cases freaken we will not perform PE thrombolysis it's also important to note

that acute and chronic PE which we're here to talk about today may look very similar on a CT scan and they have completely different treatment methods so here's a sagittal view from that same patient you can see the CT scan so

between the arrow heads is with the tram track appearance so you'll see that there's thrombus the grey stuff in the middle and you'll see the white contrasts surrounding it and kind of like a tram track and that's very

classic for acute PE and then of course where the big arrow is is just the big thrombus sitting there here's another view of a coronal this is actually on a young woman which I think we show some images on but you can see cannonball

looking thrombus in the main pulmonary arteries very classic variants for acute PE and then this is that same patient in a sagittal view again showing you in the left pulmonary kind of those big cannon balls of

thrombus here's some examples from the literature showing you the same thing when you're looking at an acute PE it's right centered on all the image all the way in the left if the classic thrombus is centered right in the middle of the

vessel you can usually see a rim of normal contrast around it and you can see on a sagittal or coronal view kind of like a thin strip of floating thrombus so the main therapies for acute

so my Xtreme ir case is a TVR with on a patient with a type you tie section and then we use laser to find a straight the dissection flap and I just want to before I start I just want to give a big shout-out to my attending dr. Kasia and Rudy pump Adi on our IR resident Rudy

put these really cool illustrations together as you will see on these upcoming slides and dr. Kaja he did this case and basically it helps me with everything so since your old male patient presenting with history of

chronic type UTI section um he was medically managed with and I'll G Saxena antihypertensives and then he came into the ER a couple months later and it was complaining of severe back and chest pain so a CTA was

performed and and they found that there was a significant growth in the descending thoracic aorta and so we have a couple images here we have a 3d reconstruction of the aorta as well as the sagittal image of that CTA and does

anyone notice anything about this 3d on aorta no so this patient has a variant he has a bull vine arch actually so the left common carotid is coming off the right you nominate um but vessel the arteries so it's nice for us when we're

placing that and negraph we have more more of a landing zone so we're not covering any of important structures other than the less left subclavian artery and so we're the two arrow heads are on the sagittal image you will see

that there's reentry tears so if you look at the 3d image so the dissection is that line right in the middle and so it's starting at the origin of near the LSA and ending at the level of the celiac artery okay so we obtained right

and left common femoral access and you obtain left brachial access as well and the reason for left particular access is once we get our enter graph gen we're going to go ahead and I'm pass the wire through and a laser through and find us

to find a straight through that under graft so you can have flow but I will talk about that later so we put a twenty French dry seal sheath and the right groin and in the left groin we had a 8 by 45

she's and that was basically to accommodate IVA so they can kind of get a feel for what we're doing it just like another resource we have so we have two IVs images here the one on the left with the yellow arrow basically is just

showing us that thickened dissection flap and the Ibis on the right is the love of the celiac artery so the celiac artery is where that green arrow is pointing to and the white arrow head is basically just showing us that reentry

tear at that level and so through the right through the right the sheet on the right hand side the 20 French try seal sheets we placed the 7 by a 55 Aptus on steerable tour tour guide sheath so that basically can angle up to 180 degrees so

we place that up to sheath in the true lumen of the aorta and pointing towards the false lumen and then I just put some pictures up of what a dissection looks like I don't know if a lot of people a lot of you guys on do dissection their

frustrations I mean your practice but I just thought it would be nice to show and so once we have the Aptus sheep up in the true lumen and have it pointed towards on the false women we confirmed with the eye this just to make sure

we're on the right spot and we're not we're not going to harm any other structures when we laser so once we have that up we use laser to kind of poke a hole and fenestrated create that's here and once we did that we dragged while

the laser was on we dragged the baptists sheath down 4 centimeters and created a large terror so the whole goal is to open up that dissection so we could eventually place that under graph so once and that there's a florist got the

image of ibis and apt the Aptus sheath and all that and so we created a large tiara and then what we did was we passed the 18 wire into the false live and we angioplasty with the 14 by 4 centimeter balloon and as you can see that there is

some waste on that balloon and then eventually it dilated up to you know now I'm gonna burst rate which was 18 and so that Ibis is basically showing us that's here that we just made in our dissection flap

okay am I not there we go okay so once we angioplasty be repeated the same thing so we put the laser back up get a small tear right underneath large penetrations here that we just said and then we angioplasty it so once we

angioplasty we connected that top tier and bottom tear together we opened it all up and we angioplasty it again after that so once that I mean go back so once the angioplasty so right underneath that big tear that we just made so between

the tear that we just made and the re-entry is here at the level of a celiac you still have that little piece of a dissection flap that we still need to open to place our under graft so once we did that once we angioplasty through

the right groin we passed up a glide catheter and the true lumen and pointed it towards the false women and through on the tear that we just made we passed the v18 wire and through the left groin we went up with a 20 millimeter loop

snare and so we grabbed the the 18 wire and so that loop snare went and that reentry tear and like into the false lumen so our whole point is to get through and through access with that wire so we can use as a wire cutter to

cut the remaining flaps so that's what we did so we we grabbed that snare we grab that v18 with the snare we pulled it out of the left groin and we obtained through and through access okay so you're just ripping it down yeah

basically it's like it she goes somewhere yeah yeah you got it yeah that's exact don't ask a question to what you don't want the answer so basically that's what we did so once we got through into access we advanced both

sheets and we kind of like pull down to to cut the remaining flap so once we did that we basically had everything open so we were ready to place our under graft so we did angiography and then we ended up

deploying the descent and then so once we would deploy the stent we basically covered that LSA the left subclavian artery so that's exactly why we got brachial access so we pass the wire through and got to the origin of the LSA

and then we ended up putting the laser down and then we turn the laser on poked a hole and so now we have this hole and this endograft so once we did that we angioplasty it and then we deploy the stents okay and so now we have a diagram

of the pates and LSA following stenting so we sent in the aorta and where the dissection was and then resented the LSA so we have nice nice flow the REC lab donal angiogram basically is just demonstrating feeling of the celiac in

superior mesenteric artery as you can see in that middle image distally so one of our missions that Rudy made which is pretty awesome so illustration of fenestrated t-bar with LSA sensing and adequate just so Co following the

dissection flap that we usually there's open so BAM there you go so that's Rudy and I in the middle my one of my co-workers Kevin and when my mentor is dr. Kaja dr. Marley and myself so thank you hi dr. Kasia thanks for joining

so we're just gonna like hop over to the clinic side and kind of discuss how we work up or what are the things we look for when we see the patients in clinic

so a lot of patients are referred to us by urologist so we have to have a urology on board to to better take care of this patient we can't treat this patient you know by ourselves so a lot of patients are referred to us by our

neurology team if they don't have a urologist we have to refer to them to erosions first before we can even work them up or PAE so we won't make sure that patient you know doesn't have any underlying cancer that we know of so we

want to make sure that we check their PSA levels because this high high patient can ask actually I predict a decent progression and actually our risk for acute urinary retention you want to make sure that you get

urinalysis a lot of patience wet with lots is not only due to pph you could also be secondary to UTI or if patient has some type of bladder tumor or bladder disorder so it's kind of good to know to understand some of the lingo

that urology uses so once they see the urologist they do some your dynamic studies and one of the popular ones are these non-invasive studies called euro flama tree and the post-void residual do you offer the Euro excuse me you heard

from a tree usually we will measure the flow rate and the volume of the patients so what they do is they they would pee in this special funnel and the final obviously they go in private but this final is connected to some machine that

can actually measures how fast and how much their voiding and so normally it's about 25 miles per second but if it's anywhere less than 13 to 15 it can suggest obstruction and use the obstructions usually due to BPH some of

us a very low flow rate such as like say less than ten or six you have you want to be a suspicious of some type of you to neutral structure after they do that usually what they'll do is they take a post void residual is basically scan so

they'll put that little probe above the bladder and they'll see how much is left in a bladder if it's 150 that she usually indicates in complete emptying someone who has greater than 200 that may suggest patients having some type of

bladder dysfunction so a lot of its patients to us at least woke up with some type of imaging and the ones that at least our physician selects is the MRI patient do get a CT angiogram which can also evaluate the pelvic Anatomy and

arteries however the process the mr process actually gives a better illustration of the prostate a tissue to see if there's any suspicious for cancer for example you can also display the president atomy and characteristic up

the gland so most patients do get MRI or at least we get them to get MRI to measure the actual volume in literature they will tell you that a patient can get a trance rectal ultrasound but I'm not sure how many

guys in here would like a probe stuck up their butt to get to get their prostate measured so unless you wanted to get pissed at you just supporter I am right so when we see the patient you obviously want to review their HMP more

importantly you'll want to check their comorbidities there's social history whether it is smoke or not because they're gonna that's gonna have an impact on how we stay patients and how you can predict their anatomies

obviously someone's died who is diabetic or who has a history of smoking you could expect for them to have a greater degree of atherosclerosis and again the first thing that we would get the patient why we walked in is we go in

that scoresheet the IPSS score and so that's gonna give us an idea of how bad this symptoms are so if they come in to us with a score of say you know they're mildly symptomatic I'm not sure how much to pee a procedure with would help them

because how much more lower can we get their scores down so a lot of patients we would treat are in the moderate to severe category and their quality of life score should be for the most part will be about three or higher you also

want to make sure the trusted results since this is Andrew Graham procedures you will make sure that they have a pretty decent renal function patients with lots a lot of them may have some degree of renal insufficiency so we have

to be careful make sure we watch that lab value so this is some of the screening criteria that a lot of us may use so patients who I have refractory to medications for the six months someone has a high IPSS core grain 13 or

qualifies score greater than three process volumes gotta be at least 40 grams we sometimes get patients with a high score but they're positive volumes around 30 we usually usually wouldn't treat those

patient because we can't basically treat or shrink the prostate any any lower than that you someone who has an abnormal urine Flo and someone who maybe refractor to medical therapy these are just a list of

exclusion criteria the ones that should my party set out someone who has prostatitis or current approximate infection you definitely want don't want to treat those patients chronic renal failure and relatively maybe coagulation

factors that could be patient dependent sometime sometimes we could optimize them to get this arteriogram procedure and prostate and bladder malignancy also this somewhat also relative we do treat patients with prostate cancer it just

depends on what course of treatment they're on currently so once we had screen the patients and and deemed them to be a candidate we reviewed the patient we review in detail the procedure with the patient so you want

to let them know that it's a our angiogram procedure that will go through the either the growing or sometimes the radio and the procedure itself you can take anywhere from one for one to four hours and sometimes longer depending on

how complicated their arteries feeding the prosthetist more importantly we want to educate them about the side effects okay we have to let them know that a lot of their symptoms might actually worsen during the first few days after the

procedure so if they have the Syria now urinary continence they actually may get really worse especially for the first few days okay we have to go over the complication with the patients that can include a public infection ischemia or

any vessel related complications that pseudoaneurysm or bleeding so we have to basically have a basic knowledge of how do we combat this side effects and these are just some of the list of side effects that

are mentioning or at least we also used a PI radium it helps I guess to numb up the prostate urethra we have to educate the patient that this can change the color of the urine so we always make a note to our patients that if you are

going to take this medication please call us that way we don't kind of shock you and we also know that the change of color is from the pair radium and not from anything else the tripping or oxybutynin

it helps reduce bladder spasm we would normally use it for a patient who go somewhere to Foley our patients would go some Foley tends to have a great degree of bladder spasm Coley's a lot of spatially get constipated for multiple

reasons being better that or they and she is soft and there's also the over-the-counter azem so this is just a sum of the standard medications that we would give all our patients all of them will get about cipro for seven days

we'll give them some type of anti-inflammatory Asia usually is ibuprofen were prescribed 800 a tid if needed anti-acids since it's just to protect your belly or their stomach from the ibuprofen minimum we'll get a stool

softener at least for the first three days or if they got developed loose toast and we would ask them to stop it and the medications for pain that we would get them as Norco just in case and I would say like more than half these

patients don't even need Norco at best they'll probably use ibuprofen you know just to minimize the inflammatory side effects that I get it also helps out with post embolization that sometimes we'll get and I believe so I don't I'm

not sure if I'm messing about post embolization syndrome patient do can get these symptoms and a lot of symptoms can vary they can get some body slug or fever malaise and the degree the symptoms were may bear from patient to

patient and a lot of symptoms are described kind of like a flu-like symptoms and we also want to reiterate a patient that the symptoms are temporary and it should get better over to at least at first week or so so patients on

warfarin we have a lot of patients on warfarin for whatever reason whether they had a recent cardiac intervention we want to assure that we stop those medications at least before the edge ground procedure so it's very important

that you have a good rapport or whoever and have prescribed him the coumadin whether it's a cardiologist or the surgical team and a lot of dissipation may need to be crossover outside like a short-acting

anticoagulation such as Lobo Knox at least in our practice we ask the patient to this condition discontinue your aspirin unless they're you know they have a recent cardiac intervention we may leave it leave them

on aspirin metformin as very important since we did it is a natural procedure we want to at least hold have the patient hold the metformin the morning of the procedure and maybe a couple of days after and someone who are

allergic to contrasts we will make sure that we're prepared to premedicate a patient and also be prepared in case there's a severe reaction and the pre medication as we know will give them some type of a standard metal prednisone

will they'll take it like twelve seven or one hour before and they also gets unbearable and preoperatively or one hour before the procedure and during the clinic we also determine the level of anesthesia so since this procedure

usually takes a long time we always get it with our anesthesia team is just more for patient comfort it's not really for pain okay I couldn't imagine laying a table for several hours at the time so we all shop anesthesia on board just

really for patient comfort so we're just

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