Trisha L. Roy MD PhD FACS
@trisharoymd
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🇨🇦 Materials Engineer, Vasc Surgeon-Imaging Scientist I Jerold B. Katz Investigator @debakeyCVedu | Peripheral Vasc MRI + Device Design| @UofTVascular Alum
Houston, TX
Joined November 2009
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Pinned Tweet
Thrilled to announce that I've secured a $3.3M NIH R01 grant! Our cutting-edge MRI methods will pinpoint who benefits from bypass vs. endo and tailor device selection. Thanks to
@JuditCsore
,
@AlanLumsdenMD
and everyone who made this possible!
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12
270
I have spent 16 years as a
@UofT
student. Engineering, med school, phd and now finished
@UofTVascular
residency! I have finally accomplished a life long goal of becoming a surgeon scientist and NOW the learning really begins!
12
2
227
Officially my first day as a vascular surgeon-scientist
@DeBakeyCVedu
@HMethodistCV
(and this is my first office ever)! So grateful to start my career in such a historic and innovative centre!
#ILookLikeASurgeon
12
5
216
First mothers’ day came a little late! Meet Ryan Roy le Nobel, born May 15, 2023 at a whopping 8 lb 7 ounces! I guess everything really is bigger in Texas!
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4
168
It’s official! My Katz Investigator plaque was installed in the Houston Methodist Research Institute yesterday! So grateful for this $1 mill endowment for peripheral artery disease research!
@AlanLumsdenMD
@DeBakeyCVedu
10
4
160
Every angioplasty causes dissections. We are happy w luminal gain and dismiss vessel wall damage. Can vessel prep help? Our early histologic results of orbital atherectomy is encouraging but bottom line: we need more histologic data!
@DeBakeyCVedu
10
34
151
So honoured to be named a Jerold B. Katz Investigator
@HMethodistCV
! This $1M Endowment ($50K/year + $500k cash) will support advanced imaging research to save limbs & lives! Thanks to
@AlanLumsdenMD
for support and mentorship. Can't wait to get started!
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7
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So grateful for my 8 years of training as a surgeon and scientist
@UofTVascular
! Hope to make you proud as faculty
@DeBakeyCVedu
with
@AlanLumsdenMD
in Sept!
14
4
121
Tonight was a true highlight in my career. Feel so fortunate to be a Katz investigator
@HMAIChief
@DeBakeyCVedu
. I came from Toronto to Houston for this endowment, enabling groundbreaking vascular MRI and PAD device research. This is just the beginning!
@AlanLumsdenMD
15
5
108
T-8 days until
@Royal_College
exam (finally!!). Not sure how much of this is sinking in but at least I’ll have a collection of beautiful notes at the end of this!
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6
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Wrapped up my first day in OR as an attending with
@AlanLumsdenMD
@DeBakeyCVedu
@HMethodistCV
! Inari thrombectomy for phlegmasia and SMA pseudoaneurysm intervention with beautiful fusion imaging. This is only the beginning!
3
3
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I hear this ALL the time from young, talented, and bright female medical students. Our field is missing out! I’m so happy to say that this medical student has decided to apply for vascular surgery after her rotation w us ( w Dr Werneck
@UofTVascular
). Mentorship matters!
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15
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When you inflate a balloon in BTK lesions - what do you *actually* do to the vessel wall? Does vessel prep and other devices help? Check out our publication on how we do device testing with advanced imaging and histology to find out!
@AlanLumsdenMD
@DeBakeyCVedu
3
17
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Last case
@Sunnybrook
, open AAA (supraceliac clamp, renal implant x2) w my mentor
@AndrewDueckMD
who inspired me to become a vascular surgeon in this OR 10 years ago! Thank you to our nurses for supporting me along the way! Great way to end an amazing chapter of my life.
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1
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Officially a fellow of
@Royal_College
!!! Thanks to
@UofTVascular
@TL_Forbes
and all my mentors for helping me through this process. So grateful and proud to finally have FRCSC next to my name!!
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1
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Looking forward to giving a TED talk at this weekend retreat with
@RiceUniversity
Bioengineering
@MethodistHosp
scientists!
Why are doctors failing in the treatment of chronic limb threatening ischemia, and what can engineers do about it?
3
10
65
Tomatoes are flying at me already, but can't argue w the histo! So far not much diff w IVL for BTK - recoil and dissections similar to POBA. Looks like debulking really matters for optimal results. The study continues!
@AlanLumsdenMD
@monteromiguel
@DeBakeyCVedu
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12
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How often do we cross subintimally? We don't know! This vessel was crossed intraluminal and then into subintimal plane - we go in/out but can't see on angio. Poor result after 3 min inflation - is subintimal PVI truly equivalent to intraluminal?
@monteromiguel
@AlanLumsdenMD
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11
60
Wooo hooo! Thank you to the
@vsb_abs
and examiners for a smooth, thoughtful and well-executed experience. I am so honoured and excited to be a FACS!
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2
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This came in the mail today! For other graduates - "The Buck Stops Here" is an interesting panel discussion about becoming a vascular surgery attending:
@DeBakeyCVedu
. Any other recommendations for resources about transitioning to practice?
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It’s an honor to be a fellow of the ACS! Very grateful.
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PAD is very heterogeneous, and we need better imaging to personalize treatments and improve outcomes. A snapshot of our histologic validation (and a very engaged mentor
@AlanLumsdenMD
who supports this work every step of the way!).
#CLIfighters
#surgeonscientist
@DeBakeyCVedu
0
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Next week - we discuss women leading change in vascular surgery across the globe! 🇨🇦🇨🇦🇨🇦 represent! Join us on youtube!
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Happy
#LovingDay2022
(when interracial marriage finally became legal in USA)! "The beauty of the world lies in the diversity of its people".
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Proud to be a part of
@DeBakeyCVedu
@HMethodistCV
!
@AlanLumsdenMD
@BavareMd
@drakemadeline5
@DylanE_Brooks
@JacobBWatson1
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4
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Vasc limb preservation is a hard job w ++failure. This pt w art/ven wound was told amputation was the only option. With vasc + wound care he now has no pain, walks, lives a full life. Then I remember, being a vasc limb preservation specialist is truly the best job in the world!
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5
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Honored and grateful to be a recipient of the 2023 AHA Transformational Project award for 300k! Thank you so much for your unwavering support
@AlanLumsdenMD
and thanks to HMH CV and HMRI
@DeBakeyCVedu
@HMAIChief
. We will be hiring a post doc with the funds - come join us!
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1
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We all talk about the importance of IVUS sizing but HOW do you size? Cross section? IEL to IEL? “Effective” diameter? Are you sizing up? Are you consistent? Our paper explores vessel sizing
@AmputationSuck
@EricSecemskyMD
@AlanLumsdenMD
5
12
49
And that's a wrap! What a fabulous
@ESVSmembership
meeting and so honored to win best abstract award! Can't wait for
@ESVB_Strasbourg
2023 in April!
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2
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Excited to have received a $800k CIHR project grant w my supervisor G Wright
@Sunnybrook
to further develop our peripheral artery MRI techniques! Looking forward to working with our excellent team (T Forbes
@UofTVascular
@AndrewDueckMD
).
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I was using 7T MRI for PAD plaque imaging, but now here
@HMethodistCV
I get to image with their 9.4T! Histologic detail without having to section the lesions. Enables PAD device testing to understand which devices are best suited for specific types of lesions.
#PrecisionMedicine
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3
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Last day with our graduating chief. Tarundeep Singh ended with an epic 11 cm open AAA/EVAR explant with the amazing
@AlanLumsdenMD
! What a spectacular final case for a spectacular graduating resident.
1
2
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Congrats to Dr. Adam Power
@WesternVascular
for getting Health Canada approval for his REBOA! Inspiring 🇨🇦vascular surgeon-inventor!
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13
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Finished late evening experiments with a fantastic team! Do vessel prep devices actually work in BTK lesions? We are finding out with a rigorous study involving advanced MRI plaque characterization, and histologic validation!
#personalizedmedicine
#translationalscience
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Interested in advanced imaging for below the knee arteries? Join one of our upcoming events (virtual and in person)! I'll discuss how MRI provides a new understanding of BTK lesion composition and why it matters for device selection.
#seeinginthedark
0
7
44
Thrilled to have
@drakemadeline5
and
@JacobBWatson1
join our residency program!! Congratulations to all of our new vascular colleagues across the nation. Our future is bright!
@AlanLumsdenMD
@monteromiguel
@DeBakeyCVedu
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4
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Such an honor to present for
@AnahitaDua
and the PAD group
@MassGenBrigham
. Wonderful to see their multidisciplinary, innovative approaches and passion for limb preservation. Also got to see the etherdome OR where anesthesia first used and surgery began!
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So proud to be a part of this
@sunnybrook
magazine article about challenges and opportunities for women in science & engineering! Diversity of perspectives propel us all forward.
#ILookLikeASurgeon
#ilooklikeanengineer
1
8
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With a heavy heart, I just canceled my trip to
@VascularSVS
. Covid cases are rising exponentially in Houston and we are doing our part to keep each other safe. Hope to be there next year and will take part in the virtual experience until then!
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This pic shows how the future of vascular surgery is so beautifully diverse. We are slowly becoming a specialty that reflects the patients we serve! The future of vascular surgery is bright!
@DeBakeyCVedu
Your next class of vascular surgeons
#namethis
@FutureVascSurgn
@AlanLumsdenMD
@trisharoymd
@DeBakeyCVedu
@HMethodistCV
#PreInternBootcamp22
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So thrilled to have
@AndrewDueckMD
and
@ahmedkayssi
visit us
@DeBakeyCVedu
with
@AlanLumsdenMD
! What a joy to show them how our lab is building on PAD imaging innovations that we started discussing
@UofTVascular
> 10 years ago!
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Had a wonderful time
@stanfordvasc
discussing peripheral arterial disease imaging and innovation. Thank you for inviting me back!
0
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Some hard, uncrossable lesions are invisible on imaging but high risk for endo failure - min calcium but ++ rock-hard dense collagen. We can use our MRI-histo method to differentiate these lesions and tailor CLTI tx.
@AlanLumsdenMD
@DeBakeyCVedu
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Wound care may not be glamorous, but it is an essential part of what we do as vascular surgeons! Good wound care changes lives. This is a quick video on how to apply a cellular tissue product and vacuum dressing.
@DeBakeyCVedu
@AlanLumsdenMD
0
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High resolution imaging of the leg is feasible with clinical 7T MRI scanner! Calcium blooming w CTA obscures the lumen and lacks the soft tissue contrast for plaque characterization.
#SeeingInTheDark
#PAD
#Imaging
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Thank you
#ESVS2022
judges for scoring my fast track presentation today, and giving me the opportunity to present at a plenary session on 9/22! Can’t wait!
2
6
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Back to work after maternity leave! 💼🔬 Missing my little one, but stunning SEM images of paclitaxel on calcified PAD lesions offer a mesmerizing remedy.
@AlanLumsdenMD
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1
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Thanks
@DeBakeyCVedu
for capturing this pic of me speaking at bootcamp! Very lucky to have your talented team (as opposed to my poorly lit live-tweeting pictures)! The stern expression is just because I take limb preservation very seriously :)!
1
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Today
#GoogleDoodle
honours Dr. Jennie Trout, the first woman to become a licensed medical doctor in Canada (1875) and a champion for women in medicine.
#ILookLikeASurgeon
1
12
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Come join us for an exciting opportunity to invent the future of CV care with advanced imaging! Research positions available!
@AlanLumsdenMD
@DeBakeyCVedu
@VascularSVS
@CanadianSVS
@SMRAngio
2
17
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Honoured to take our newly minted PGY1 Jennifer Klopfenstein through her very first OR
@DeBakeyCVedu
w chief resident-extraordinaire
@rossgmcfall
! Welcome! We are so excited to have you join our team!
0
3
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Looking forward to presenting our early work on using MRI to evaluate DVT clot characteristics to inform patient selection for Catheter directed tx. A new and exciting direction for our lab!
@VenousForum
@DeBakeyCVedu
@AlanLumsdenMD
0
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34
Ryan sporting his star mitts and red, white, and blue wishing you and your family a happy July 4! He is the first and only US citizen in the Roy-le Nobel family!
0
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Off to sunny California to give a talk
@stanfordvasc
on peripheral artery disease: imaging, insights and innovation!
2
4
37
Deep venous arterialization guru
@monteromiguel
presents
@VascularSVS
. Is there hope for “No-option” CLTI patients?
0
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Hot off the press! Our experience with vasc device design & development (bench, cadaver, imaging, CFD + more!). Robust device testing is essential to ensure txs are safe, effective and we understand the mechanism of action!
@AlanLumsdenMD
@monteromiguel
1
7
32
This talk was finally rescheduled, we can meet in person safely now! Cant wait to meet the bright EnMed physician-engineers of the future!
@TAMU
@HMethodistCV
@AlanLumsdenMD
@DeBakeyCVedu
@monteromiguel
0
2
32
I was discouraged to go into vasc surg in med school if I “ever wanted to get married or be a mom one day”. There are many role models that show you can do both! I encourage talented women to consider surgery but find it is so difficult to counteract persistent stereotypes!
What barriers do female medical students face when considering surgery?
A new survey shows that female students receive significantly more discouragement based on gender, age, & family considerations than males.
#VisualAbstract
17
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404
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Presidential address
@SouthernVasc
: diversity is key to the future success of our specialty.
2
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Busy weekend on call. With Covid seeing more DVT/PE. How to know who will benefit from CDT? We are developing MRI protocols to characterize clot and understand which patients will benefit most (like this PE patient who had a great result!)
2
3
31
Just a bunch of
#VascularSurgery
residents taking a break from saving lives to serve up some style on picture day!
#CuttingEdgeFashion
#ScrubsToSuits
@DeBakeyCVedu
@pghaddad
@drakemadeline5
@JacobBWatson1
0
5
29
One of my favorite meetings, finally back in person (after 3 years)!
@SMRAngio
@UCLAVascular
@DeBakeyCVedu
0
1
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It's that time of year again! I first watched
@AlanLumsdenMD
@DeBakeyCVedu
address on YouTube and was so inspired I had to get on this rocket ship. Very grateful to now be a part of this "100-year start up" dedicated to innovation and improving the standard of CV care.
0
2
30
It’s official - we moved to the USA! Completed the first leg of our 3 day road trip to Houston. Already missing our family, friends, babies, zorro and even local baristas and stores.
I have never lived outside of…
2
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30
Thanks for the opportunity to talk about our work on PAD plaque characterization and device selection! Advanced imaging is key to personalized care.
@ISEVSonline
@AlanLumsdenMD
0
1
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Unnecessary procedures in asymptomatic/claud are not justified. CLTI is more challenging w ~20% limb loss. High-risk pts require rigorous research. Though there may be some bias, this critique raises valid concerns paucity of evidence for PAD devices.
3
4
29
Last but not least, our graduating chief
@pghaddad
! No surprise that the whole dept comes out to commemorate their time w him. Wonderful clinician/innovator/surgeon/girl-dad/and all around great guy. You are so loved
@DeBakeyCVedu
@AlanLumsdenMD
and we’ll miss you!
@BavareMd
0
2
29
#Manels
are a problem. Mentors like
@TL_Forbes
are part of the solution. He steadfastly supports women in vascular surgery at all stages of their careers!
@UofTVascular
has become a more inclusive program under his leadership and I hope other organizations follow his example.
@CookMedical
: this is a
#manference
. 51 speakers, 3 women. You’ve got time to fix this.
@benstarnesmd
@TL_Forbes
Dr. Beck blocked us for highlighting a
#manel
. Dr. Veith proudly hosts
#manels
. Will other docs speak out?
@GenderAvenger
#WomenInMedicine
3
5
14
1
2
29
Off to
@MUSCVascular
to learn more about their
@SiemensHealth
photon counting CT! This may address many of the limitations we encounter with clinical CTAs for PAD. Many opportunities in store!
@AlanLumsdenMD
@DeBakeyCVedu
3
2
29
Prepping for
@vsb_abs
oral board exams. Missing our
@UofTVascular
Sunday school prep sessions with
@TL_Forbes
during our chief year! But at least still have this:
1
1
29
Celebrating w our lab with high tea at Kiran’s restaurant! NIH R01 app submitted and welcoming our new post doc Judit Csore from Hungary! Very proud of the work we have submitted and excited for the year ahead!
@AlanLumsdenMD
@DeBakeyCVedu
0
0
28
Convocation ceremony for PhD. So grateful for
@UofTSurgery
@UofTVascular
surgeon scientist training program which supported me to pursue this degree during my residency!
4
0
28
Congratulations to our talented graduating chief resident
@pghaddad
for winning the
@SouthernVasc
skills competition!!
@DeBakeyCVedu
@AlanLumsdenMD
2
7
28
Very excited to join
@JVS_VascSci
and this remarkable community of vascular surgeon-scientists promoting translational bed-to-benchside research!
0
4
28
Thrilled to visit
@AnahitaDua
and the incredible team at the MGH PAD center! Looking forward to diving deep into discussions on groundbreaking innovations in peripheral artery disease imaging and devices!
#PAD
#VascularSurgery
@AlanLumsdenMD
1
5
28
@AmputationSuck
delivers an engaging talk on “eureka” moments using IVUS for BTK interventions. When basing on Angio: we are under sizing, we have no idea when we are in the Subintimal plane, “30% residual stenosis” is grossly underestimated and IVUS changes your management!
1
1
28
Learn more about our research on new advanced imaging tools to personalize your PAD interventions. PAD lesions are heterogeneous and a “one-size-fits-all” strategy is failing them.
@DeBakeyCVedu
@AlanLumsdenMD
@monteromiguel
0
2
28
We need to encourage more women to go into vascular surgery! It’s a dynamic, exciting specialty, ripe for innovation and we need your talent!
Great article by
@AuroraPryor
on factors influencing surgical specialty selection. Our gender biases reflected in specialties we recommend to men vs. women. 50% of surgeons said cardiovascular was for men only! Thoughts
@drnikkistamp
?
via
@medscape
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0
7
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DUS showed long calcified AT total occlusion, but lesion easily crossed! Ghost lumens exist w patent channels to foot that we can't see, not even on angio. 7T MRI = ghost lumens, plaque, DVTs + nerves in detail we've never seen before. Lets understand PVD better!
@AlanLumsdenMD
0
8
27
Congratulations
@TL_Forbes
on your re-appointment
@UofTVascular
and an excellent 5 year review by
@echaikof
!
2
2
26
Capping off my last day in Halifax in the OR w Dr. Casey. Thank you for a wonderful experience and incredible open and endo aortic cases! I have been converted, retroperitoneal exposure for open AAA is the way to go (in most cases)!
1
0
26
Privileged to work
@DeBakeyCVedu
, where EnMED
@sweetcaroline
, radiologist
@JuditCsore
, incoming pgy1 vasc
@BrightBenforMD
and tech Daryl Schulz come Monday AM to our research hybrid OR to do human PVI studies and device testing/development with histology!
@AlanLumsdenMD
0
7
26
Today
#GoogleDoodle
honours Dr. Joshi one of the first Indian female physicians. She travelled to USA in the 1880s to follow her dream of becoming a doctor. She stressed the need for female doctors in India and advocated for women in medicine. Happy bday!
#ILookLikeASurgeon
0
6
25
Calling South Asian Folks: Join us for an evening of delicious food, and important conversations about diabetes, CV and mental health. Let's break stigma and empower our community to prioritize health. Bring your aunties and uncles along for a night of learning and connection!
3
6
26
Endo-first is here to stay for BTK. BASIL 2 presented at CX2023 to a packed house - 1/3 increased risk of amp/death with bypass. More to come.
4
4
25
Wow what a way to welcome new members!
@SouthernVasc
presents each new member and gives them ribbons so that others will know who they are to welcome them. Haven’t seen that at other societies yet.
@AlanLumsdenMD
- need to get application in for next year!
0
6
25
Thank you
@ESVSmembership
for selecting our presentation - it was an honor to share our work at the main CLTI scientific session at
#ESVS2023
!
@DeBakeyCVedu
@AlanLumsdenMD
@JuditCsore
3
4
24
Operated together for the first time today! I’ll admit I do like the ENT-style transverse neck exposure and may try it for my carotid cases!
0
0
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Frustrated w MRI being impossible to interpret (esp for vasc surg)? We’re developing AI algorithms to help w that!
#ESVS2023
@JuditCsore
@vascularIR
@jmills1955
@DeBakeyCVedu
1
3
25
One view is no view! VIDIO trial updates on importance of IVUS vs venography. But when sizing stents, important to do DYNAMIC imaging - IVUS with and without Valsalva maneuvers, take deep breaths, position etc to make sure the stenosis is real
#philipseliitevascularsummit
1
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