complex endovascular repair - cloudinarycomplex endovascular repair m i l a n - i t a l y gustavo s....
TRANSCRIPT
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COMPLEX ENDOVASCULAR REPAIR
m i l a n - i t a l y
Gustavo S. Oderich, Randall DeMartino
and Bernardo Mendes
Division of Vascular and Endovascular Surgery
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DISCLOSURE
• Consulting fees (All paid to
Mayo)Cook Medical Inc., WL Gore, GE
Healthcare
• Research grants (All paid to
Mayo)Cook Medical Inc., WL Gore, GE
Healthcare
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ENDOVASCULAR REVOLUTION
DREAM trial. N Eng J Med 2004;351:1607-18EVAR-1 trial. Lancet 2005; 365: 2179-86OVER trial. JAMA 2009
Annals of Vascular Surgery 1991
Short-term benefits of EVAR:- Lower mortality and morbidity- Less blood loss and transfusion requirements- Shorter hospital stay
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Schermerhorn et al: N Engl J Med 373:328,
2015
Age EVAR Open RR
Overall 1.6% 5.2% 3.2
67-69 0.9% 2.8% 3.2
70-74 1.1% 3.5% 3.1
75-79 1.5% 5.3% 3.4
80-84 2.6% 7.8% 3.0
>85 3.7% 7.8% 3.4
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Schermerhorn et al: N Engl J Med 373:328,
2015
2001 2002 2003 2004 2005 2006 2007 2008
Death (all ages) 2.2% 2.1% 1.6% 1.2% 1.5% 1.6% 1.6% 1.4%
Conversion to Open Repair
2.2% 2.1% 1.6% 0.9% 0.9% 0.5% 0.6% 0.3%
TRENDS IN EVAR OUTCOMES (2001-2008)
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ENDOVASCULAR DEVICES
CT SCANNING
INTRAOP IMAGING
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EVOLUTION TOWARDS BRANCH INCORPORATION
1st TEVAR(Dake, 1995)
1st EVAR(Parodi, 1990)
Fenestrations,Non-reinforced
Directional branches
First gen devices
Pre-mountedstents
Side branch Stent-Grafts
ReinforcedFenestrations
CenterlineSoftware
Target-vessel and DiseaseSpecific Side Stents
Anatomy-SpecificBranch & Fenestrated Designs
1990 2000 Present
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SOME OF MANY FACES ON FEVAR
DISSEMINATION
1998 to present
In Oderich Atlas of Fenestrated, Branched and Parallel Techniques, Springer 2016
T. Chuter
San Francisco R. Greenberg
Cleveland
Eric Verhoeven
Stephan Haulon Tim Resch
Matt Eagletton
0
50
100
150
20012002200320042005200620072008200920102011201220132014201520162017
>1000 FEVAR Publications in Pubmed
Num
ber
of
Public
ations
Marcelo Ferreira
J. Anderson
Adelaide
K. Ivancef
Malmo
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eTAAA REPAIR RESULTS
Author, Year n IV/I-III Mean
age
30-day
mortality
SCI Paraplegia Dialysis
Kasprzak et al (2014) 83 30/53 71 7.2% 20% 13% 5%
Bisdas T et al (2015) 142 12/130 70 2.8% 16% 8%
Dias N et al (2015) 72 17/55 68 6.9% 31% 21%
Katsargyris et al (2015) 218 54/164 69 7.8% 10% 2%
Maurel et al (2015) 204 85/119 71 6.9% 4% 1% 5%
Eagleton et al (2016) 354 0/354 74 4.8% 9% 4% 3%
Fernandez et al (2016) 133 73/60 71 7.8% 5% 10%
Oderich et al (2016) 185 112/73 74 4.0% 5% 3% 1%
Baba/Ohki et al (2017) 44 0/44 74 4.5% 16% 2%
Total 1435 383/1052 71 5.4% 14% 7% 5%
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EVAR LANDSCAPEAneurysm
TypeStudy design EVAR VS OPEN
REPAIRFindings
AAA Prospective, randomized trials SuperiorLower mortality and morbidity
ThoracicProspective pivotal studyLarge national dataset analysis
SuperiorLower mortality, morbidity and SCI
PararenalProspective pivotal studyProspective PS-IDEsMultiple meta-analysis
Superior? in higher risk groups
Lower mortality and morbidity
TAAAProspective PS-IDEs Large single-center experiences
Superior? in higher risk groups
Lower mortality compared to historical open surgical results
ArchLarge hybrid experiencesRecent device trials
? ?
Ascending Few case series ? ?
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ZENITH® FENESTRATEDFDA approval in April 2012
Distal Main Body Graft
Proximal Main Body Graft
• Infrarenal neck ≥4 mm and <15 mm
• Max 3 fenestrations, 2 of same type
Leg Extension Graft
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ZFEN ANNUAL DEVICE REQUESTS
Cook Medical direct communication
213
813
1106
1302
1515
1812 1859
0
500
1000
1500
2000
2012 2013 2014 2015 2016 2017 2018
8,620 ZFEN endografts ordered since approval!
100%
50%
2 Fen + 1 Sc
3 Fen
Other
45%
36%
19%
Year Since Approval
Nu
mb
er
of
End
ogr
afts
Ste
nt
De
sign
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272
4615 3
0
50
100
150
200
250
300
Ph
ysic
ian
s (n
o.)
Average number of devices/year
≤5 6-10 11-20 >20
Simons J et al. J Vasc Surg 2018
VOLUME OF CASES PER SURGEON
85% perform less than 5 cases/yearOnly 1% perform >20 cases/year
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CLINICAL APPLICATION OF ZFENMaximum of 3 fenestrations
Suitable
Not suitable
Mendes/ Oderich et al. J Vasc Surg 2014
• 4-14mm neck• 2/3 patients with complex
AAAs do not qualify for ZFEN due to insufficient neck length
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PHYSICIAN MODIFICATIONS OF ZFEN
Courtesy of Jesse Manunga, Minneapolis MN
“in the last two years, all ZFENs have been modified to lengthen landing zone…”
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UPCOMING TRIALS AND STENT DESIGN
2007
TAMBE (WL Gore)
• Pararenal and Extent
IV
• Design Freeze and
IDE submission
ZFENPlus (Cook
Medical)
• Pararenal and Extent
IV
• Design Freeze and
IDE submission
TAAAPlus (Cook
Medical)
• Extent I-III
• Design Freeze and
IDE submission
2019
MEDTRONIC TAAA
Multicenter PS-IDE
• Extent I-IV
• Early feasibility study
2020
FDA approval of Cook IDEs
Site selection
IRB submissions (Late 2019)
TAMBE Patient
Enrollment (May 2019)
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April 7, 2007
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TRIAL DESIGN
Prospective, non-randomized study:• Aortoiliac, pararenal, TAAA and arch aneurysms• Chronic aortic dissections
ClinicalTrials.gov - NCT01937949 and NCT02089607
Endovascular arm• Two FDA approved IDE protocols• QOL questionnaires, imaging and clinical exam• Independent monitoring and event adjudication
Open surgical arm• QOL questionnaires, imaging and clinical exam
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STENT DESIGNS
Off-the-Shelf
Cook t-Branch®
Cook p-Branch®
Gore TAMBE®
Medtronic
Patient Specific
Cook platform
Jotec
Terumo Aorta
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Nu
mb
er
of
pat
ien
ts
enro
lled
in ID
E St
ud
y
PATIENTS CONSENTED AND IMPLANTED IN ONGOING IDE STUDIES (2013-2018)
1757 61 57
8098
370
4
52 55 52 65 75
303
2013 2014 2015 2016 2017 2018 total
Consented Implanted
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REFERRAL PATTERN
33 states, 3 countries
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STUDY PATIENT370 patients consented
42 patients waiting implantation/ 18 withdrawn 300 patients had implantation with >30 days follow up
103 pararenal(34%)
78 Extent 4 TAAA (26%)
119 Extent 1-3 TAAA(40%)
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Overalln = 300
Pararenaln = 103
Extent IVn = 78
Extent I-IIIn = 119 P value
Percent or Mean ± Standard Deviation
Mean age (years ± SD) 74±8 76±7 74±8 73±8 .04
Age > 80 years 76 (26) 31 (30) 18 (23) 27 (23) .38
Male gender 212 (71) 76 (75) 64 (82) 72 (61) .004
Cigarette smoking 245 (82) 82 (80) 65 (83) 98 (83) .84
Hypertension 267 (90) 88 (86) 69 (88) 110 (93) .23
Hypercholesterolemia 247 (83) 82 (80) 67 (86) 98 (83) .62
Coronary artery disease 150 (50) 49 (48) 45 (58) 56 (47) .32
Chronic pulmonary disease 99 (33) 32 (31) 21 (27) 46 (39) .19
Chronic Kidney Disease III-V 137 (46) 48 (47) 37 (47) 52 (44) .87
Congestive heart failure 30 (10) 7 (7) 10 (13) 13 (11) .38
Prior aortic repair 137 (46) 16 (16) 25 (32) 96 (81) <.0001
Chronic Dissection 22 (7) 0 0 22 (19) <.0001
Aneurysm diameter (mm) 66±12 62±10 64±11 69±12 <.0001
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STENT DESIGN
Overalln = 300
Pararenaln = 103
Type IVn = 78
Type I-IIIn = 119 P value
Percent or Mean ± Standard Deviation
Total target vessels 1144 399 306 439
Vessels per patient 3.9±0.6 3.9±0.6 3.9±0.5 3.8±0.6 .30
Fenestrations 745 (65) 342 (86) 270 (88) 133 (30) <.001
Directional branches 350 (31) 8 (2) 36 (12) 306 (70)
Double-wide scallops 49 (4) 49 (12) 0 0
1144 renal-mesenteric arteries (3.9/patient)250 patients (83%) had ≥ 4-vessels*
* All patients with <4-vessels had variations from normal anatomy (e.g. single kidneys, pelvic transplants, celio-mesenteric trunks, etc)
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PROCEDURE DETAILS
Overalln = 300
Pararenaln = 103
Extent IVn = 78
Type I-IIIn = 119
P value
n (Percent) or Mean ± Standard Deviation
General anesthesia 100 100 100 100 NA
CSF drainage 188 (63) 19 (19) 58 (74) 111 (94) <.001
Neuromonitoring 214 (72) 23 (23) 75 (96) 116 (98) <.001
Upper extremity approach 272 (91) 76 (74) 78 (100) 118 (99) <.001
Percutaneous femoral 250 (84) 87 (85) 65 (83) 98 (83) .89
Contrast volume (cc) 154±56 134±46 156±51 171±63 <.0001
Fluoroscopy time (min) 83±32 74±26 81±33 92±34 .0002
Total radiation dose (mGy) 2203±1817 1918±1647 2529±1925 2183±1867 0.13
Total Endo time (min) 165±63 147±52 161±64 185±66 .0001
EBL (ml) 445±502 347±415 423±553 550±521 .014
Technical success was 99.2%
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ADVANCED IMAGING
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Mean radiationDose (mGy)
Cu
mu
lative A
ir K
erm
a
(mG
y)
Years
12000
10000
8000
6000
4000
0
2000
2012 2014 2016 20182010
Sep
2012
Sep
2011
Feb
2016
System 1 3892 ± 2258
System 2 3556 ± 1939
System 3 1213 ± 946
EFFECTIVE DOSE
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0
20
40
60
80
20072008 2010 2012 2014 2016 2018Op
era
tor
Ra
dia
tion B
adge R
ea
din
g
pe
r C
ase
(m
R/m
onth
)/C
ase
Years
Mean radiationDose (mR)
Sep
2012
Feb
2016
Apr
2007
System 1 26 ± 3
System 2 20 ± 2
System 3 9 ± 4
OPERATOR DOSE PER CASE
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30-DAY RESULTS
Two (0.7%) 30-day deaths (no in-hospital death)
Overalln = 300
Pararenaln = 103
Extent IVn = 78
Extent I-IIIn = 119
P value
n (Percent)
Any MAE 82 (27) 22 (22) 21 (27) 38 (32) .20
Death 2 (0.7) 0 1 (1) 1 (1) .55
EBL >1L 25 (8) 4 (4) 6 (8) 13 (16) .06
AKI by RIFLE criteria 43 (14) 11 (11) 15 (19) 17 (14) .28
New-onset dialysis* 3 (1) 1 (1) 1 (1) 1 (1) .95
Myocardial infarction 10 (3) 4 (4) 5 (6) 1 (1) .09
Respiratory failure 6 (2) 1 (1) 2 (3) 3 (3) .65
Spinal cord injury 13 (4) 1 (1) 0 12 (10) .004
Stroke 2 (1) 1 (1) 1 (2) 0 .50
Bowel ischemia 4 (2) 3 (3) 1 (2) 0 .19
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Subarachnoid and
intraventricular
hemorrhage
Intracerebellar
hemorrhage
Intracerebral
hemorrhage
INTRACRANIAL HEMORRHAGE
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Overalln = 300
Pararenaln = 103
Type IVn = 78
Type I-IIIn = 119 P value
n (Percent)
Any spinal cord injury 13 (4) 1 (1) 0 12 (10) .004
Grade 1-2 (paraparesis) 5 (42) 0 - 5 (42)
Grade 3a-c (paraplegia) 8 (58) 1 (100) - 7 (58)
Resolution .31
No improvement 1 (8) 0 - 1 (8)
Partial (ambulatory) 3 (23) 1 (100) - 2 (17)
Complete improvement 9 (69) 0 - 9 (75)
13 patients (4%) had any spinal cord injuryPermanent deficit in 4 patients (1%)
SPINAL CORD INJURY
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CHANGES IN PRACTICE
• Eliminated spinal drainage:- Extent IV TAAAs- First stage procedures - Most Extent III TAAA repairs
• Changed protocol from routine pressure controlled drainage (10cmH2O, max 20 ml/Hr) to selective drainage guided by decline in Near Infrared Spectroscopy (NIRS) or symptoms
No Decline in SO2
or Symptoms
Check patency only (1-2ml/ hr)
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99±2
0
20
40
60
80
100
0 1 2 33-years
Pa
tie
nt S
urv
iva
l (%
)
At risk (no.)
79±494±2
PATIENT SURVIVAL
250 152 87 42
Aortic-related mortality
Any cause mortality Mean follow up
27±9 months
100
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0
20
40
60
80
100
0 1 2 33-years
Pri
ma
ry P
ate
ncy (
%)
97±1
TARGET VESSEL PATENCYAll renal-mesenteric target vessels
99±0.3
Primary patency
Secondary patency
At risk (no.) 954 587 344 169
954 590 351 174
100
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954 572 334 161
0
20
40
60
80
100
0 1 2 33-years
Bra
nch
In
sta
bili
ty (
%)
93.6±196±1
TARGET VESSEL INSTABILITY*All renal-mesenteric target vessels
*Any branch-related death, rupture or
reintervention for endoleak, stenosis,
occlusion or disconnection
At risk (no.)
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S A N D I E G O ,
C A L I F O R N I A
Giuliano de A. Sandri, MD, Gustavo Oderich, MD, Emanuel Tenorio MD PhD, Jan Hofer, RN, Jean Wigham, RN, Alisa Diderrich, RN, Thanila Macedo, MD, Stephen Cha, MS
Prospective assessment of health-related quality of life changes in treated by Fenestrated and Branched Endografts
J Vasc Surg 2018, in press
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BASELINE QOL MEASURES
Baseline SF 36 components (0-100) PAAn = 57
TAAA n = 102
P value
Physical component scores
Physical Functioning 66±24 57±25 0.032
Role-physical 68±35 47±42 0.001
Pain Index 71±22 62±26 0.013
General Health Perceptions 73±16 66±19 0.014
Mental component scores
Vitality 61±18 53±23 0.018
Social Functioning 86±18 77±25 0.02
Role-emotional 83±28 75±38 0.14
Mental Health Index 80±15 75±19 0.11
Physical Component Scale 44±9 39±10 0.002
Mental Component Scale 54±8 52±11 0.16
497 questionnaires were analyzed (3.1 per patient)
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Ware JE, Snow KK, Kosisnki M, Gandek B. SF-36 Health Survey Manual
and Interpretation Guide. Boston: The Health Institute, 1993.
815 16
32
50
79
98 99 100
0
20
40
60
80
100
Pe
rce
nt A
ble
to
Walk
On
e B
lock
0-19 20-29 30-39 40-49 50-59 60-69 70-79 80-89 90-99
HOW MANY PATIENTS CAN WALK ONE BLOCK?
Physical Functioning Score
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25
30
35
40
45
Baseline 6-8 weeks 6 months 12 months
All patients (n=159) PAA (n=57)
TAAA (n=102)
SF
-36 P
CS
P=0.002
P=0.35 P<0.001P=0.06
PHYSICAL COMPONENT SCORES (PCS)
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25
30
35
40
45
Baseline 6-8 weeks 6 months 12 months
All patients (n=159) MAE (n=29)
No MAE (n=130)
SF
-36 P
CS
P=0.15
P=0.021
P=0.76
P=0.25
MAJOR ADVERSE EVENTS &
PHYSICAL SCORES
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25
30
35
40
45
Baseline 6-8 weeks 6 months 12 months
All patients (n=159)
Re-intervention (n=23)
No re-intervention (n=136)
SF
-36 P
CS
P=0.67
P=0.47
P=0.83P=0.79
REINTERVENTION & PHYSICAL
SCORES
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25
30
35
40
45
Baseline 6-8 weeks 6 months 12 months
All patients (n=159) Prior OAR (n=35)
No prior OAR (n=124)
SF
-36 P
CS
P=0.003 P=0.31 P=0.008P=0.005
PRIOR OPEN REPAIR & PHYSICAL
SCORES
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Gustavo S. Oderich, Mark Farber, Darren Schneider, Andy Schanzer, Adam Beck,
Carlos Timaran, Matt Eagleton and Matthew Sweet
UNITED STATES FENESTRATED-BRANCHED RESEARCH CONSORTIUM
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US FENESTRATED-BRANCHED RESEARCH
CONSORTIUM
Surgical Associates
of Palm Beach
CountryAnthony Lee
Mayo ClinicGustavo Oderich
University of
North CarolinaMark A. Farber
Weill Cornell Medicine
NewYork-PresbyterianDarren B. Schneider
University of
MassachusettsAndres Schanzer
University of WashingtonMatthew Sweet
University of California
San FranciscoTim Chuter
University
of AlabamaAdam W. Beck
Mass General
HospitalMatt Eagleton
University of Texas
South WesternCarlos H. Timaran
• 10 US sites
• Prospective, physician-sponsored studies
• Monitored, audited
• Similar device design with selective use of fenestrations and branches
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30-DAY RESULTS
Overalln = 661
Pararenaln = 232
Extent IVn = 221
Extent I-IIIn = 208
P value
n (Percent)
Any Mortality 13 (2) 3 (1) 5 (2) 5 (2) 0.82
Any MAE 97 (15) 26 (11) 33 (15) 38 (18) 0.11
EBL >1L 29 (5) 6 (3) 9 (4) 14 (7) 0.10
Acute Kidney injury 36 (5) 7 (3) 14 (6) 15 (7) 0.11
Myocardial infarction 12 (2) 4 (2) 7 (3) 1 (0.4) 0.11
Respiratory failure 20 (3) 2 (1) 10 (5) 8 (4) 0.053
Paraplegia 11 (2) 1 (0.4) 1 (0.4) 9 (4) <0.001
Stroke 12 (2) 3 (1) 4 (2) 5 (2) 0.68
Bowel ischemia 22 (3) 5 (2) 10 (5) 7 (3) 0.37
30-DAY OUTCOMES
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76±388±2
80±2
0
20
40
60
80
100
0 1 2 3
Mean age, 74 years-old
43% CKD Stage III to V
3-years
Pa
tie
nt su
rviv
al (%
)
PATIENT SURVIVAL
Stage III
Stage IV
Stage I
Stage II
Estrera A (Safi H) et al. Ann Surg 2015;262(4):600-8
At risk (no.) 623 331 181 50
100
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0
20
40
60
80
100
0 1 2 33-years
Fre
ed
om
fro
m a
ort
icre
late
d d
ea
th (
%)
98±1
AORTIC RELATED DEATH
100
At risk (no.) 624 331 181 50
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0
20
40
60
80
100
0 1 2 33-years
Fre
ed
om
fro
mse
co
nd
ary
in
terv
en
tio
n (
%)
66±383±2
SECONDARY INTERVENTIONS
95% minor, endovascular
3% major, endovascular
2% major, open surgical
At risk (no.) 653 278 137 32
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COMPLEX
ENDOVASCULA
R PROGRAM
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HOW CAN SIMULATION HANDLE THIS COMPLEX SETUP?
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• 3D aortic branch model
• Fluid pump with physiologic conditions (Temp 36 °C, pulsatile flow at mean pressure of 80 mmHg)
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SIMULATION ANGIO REAL CASE ANGIO
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79-year-old male with prior ascending repair and large arch aneurysm
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REHEARSAL DEBRIEFING
Cherrie Abraham
Montreal, Canada
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79-year-old male with 9-cm pararenal aortic aneurysm
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SIMULATION ANGIO REAL CASE ANGIO
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CONCLUSION
• Complex endovascular repair should be part of any major aortic center and has the potential to substantially reduce the mortality and morbidity of open surgical repair in patients with arch and TAAAs
• Newer technology needs to be assessed against established ”gold standard” before widespread adoption
• We still have a lot of work ahead to solve issues of physician access, dissemination, training, cost, surveillance and reinterventions