Endoleaks after F-BEVAR · ENDOLEAKS AFTER F-BEVAR 2% 2% 0% 0% 2% 27% 23% 25% 32% 34% 6% 1% 2% 2%...
Transcript of Endoleaks after F-BEVAR · ENDOLEAKS AFTER F-BEVAR 2% 2% 0% 0% 2% 27% 23% 25% 32% 34% 6% 1% 2% 2%...
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Endoleaks after F-BEVARHow to Assess & Treat?
Gustavo S. Oderich, MD
Mayo Clinic
Rochester, MN
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FACULTY DISCLOSURE
Gustavo S. Oderich MD
• Consulting, DSMB, CEC*Cook Medical Inc., WL Gore, Lombardi
• HonorariaWL Gore, Endologix
• Research grants* Cook Medical Inc., WL Gore, Atrium Maquet
* All consulting fees and grants paid to Mayo Clinic
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Post-procedure 60 months
Post-
procedure
24 months
60 months
33.99 mm
39.60 mm
43.07 mm
33.69 mm
39.29 mm
40.17 mm
Above
endograft
At right renal
artery origin
DISEASE PROGRESSION
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EVOLVING SELECTION OF LANDING ZONES
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Surg
eri
es
(%)
100
80
60
40
20
0
20
100
80
60
40
Endole
akra
te
0
MORE VESSELS, LESS LEAKS
O’Callaghan A, et al: J Vasc Surg; 61:908, 2015
Year
2002 2004 2006 2008 2010 2012
Endoleak
2 Fen
3 Fen + Scallop
4 Fen/Br
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Compression,
separation
- Migration
- Remodeling
Endoleaks
Infection
Kinks, compression
- Edge kinks
- Dilator injury
Endoleaks
In-stent
stenosis
- Bare-metal
Endoleaks
Infection
Distal edge
stenosis
- Covered
- Self-expandable
Days Months Years
F-BEVAR FAILURE MODES
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ENDOLEAK CLASSIFICATION
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Gustavo S. Oderich MD, Mauricio Ribeiro MD PhD, Jan Hofer RN, Jean Wigham RN, Leonardo Reis de Souza MD, Julia Chini, Stephen Cha MS, Thanila A. Macedo MD and Peter Gloviczki MDDivision of Vascular and Endovascular Surgery and Departments of
Radiology, Epidemiology and Biostatistics
Prospective Non Randomized Trial to
Evaluate F-BEVAR of Pararenal and
TAAAs using Supra-Celiac Sealing Zones
Journal of Vascular Surgery 2017WASHINGTON, DC
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TRIAL DESIGN
• Prospective, non-randomized study
• Cook manufactured F-BEVAR for pararenal and TAAAs
• Imaging follow up:
– CBCT intra-operative
– CTA Dismissal, 1 month, 6 month and yearly
– Duplex US preop, 1 month, 6 month and yearly
– Clinical examination and labs
• Independent imaging review (Vascular CTA lab)
• Independent DSMB adjudication of clinical events
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ENDOLEAKS AFTER F-BEVAR
2% 2%0% 0%
2%
27%23%
25%
32%34%
6%
1% 2% 2%
8%
0%
5%
10%
15%
20%
25%
30%
35%
40%
Dismissal 1 month 6 months 12 months All patients
Type I
Type II
Type III
Patients at risk 127 117 89 56 127
127 patients
46% had any
endoleak
Oderich et al. Journal of Vascular Surgery 2017 (in press)
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Oderich et al. Journal of Vascular Surgery 2017 (in press)
F-BEVAR REINTERVENTIONS
Reintervention Total <30 days >30 days
Aortic 14 (11%) 5 (4%) 9 (7%)
Branch stenosis 4 (3%) 0 4 (3%)
Iliac limb stenosis 2 (2%) 2 (2%) 0
Endoleak 7 (6%) 2 (2%) 2 (2%)
Type IA 2 (2%) 1 (1%) 1 (1%)
Type IC 1 (1%) 0 1 (1%)
Type III 6 (5%) 2 (2%) 4 (4%)
Non-aortic 8 (6%) 6 (5%) 2 (2%)
Access related 4 (3%) 2 (2%) 2 (2%)
Laparotomy 4 (3%) 4 (3%) 0
Total 23 (18%) 11 (9%) 12 (9%)
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TREATMENT CONSIDERATIONS
• Endoleak mechanism or type?
– Antegrade or attachment related?
– Retrograde?
– Associated device integrity or structural issues
• Sac enlargement?
• Endovascular solution?
– Is there a new achievable sealing zone?
– What are complicating factors imposed by prior FEVAR?
• Open surgical solution?
– Can the patient handle explantation?
– Clamp site? Side branch reconstruction?
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TYPE IA
ENDOLEAKS…
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TYPE IA ENDOLEAKProximal TEVAR attachment
Need for brachial
access
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TYPE IA ENDOLEAKProximal TEVAR attachment
Arch extension with
C-TAG and anchors
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2009
2011
2012
40-mm
45-mm
54-mm
TYPE IA ENDOLEAKProgression of aortic disease
Reverse Frozen elephant trunt technique
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TYPE IA ENDOLEAKDevice infolding
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TYPE IC
ENDOLEAKS…
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L renal branch
SMA branch
Contrast outside SMA
distal attachment site
Left renal stent barely
into renal artery
TYPE IC ENDOLEAKSMA and L renal branch stents
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SMA angiography confirmed
filling of the excluded sac
LRA angiography confirms
filling of the excluded sac
Parallel “sandwich stents”
into SMA and replaced RHA
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LRA sacrifice with
Amplatz plug
SMA and
Replaced RHA
parallel stents
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TYPE III
ENDOLEAKS…
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Interval repair with
extension of fenestrated
and branched endograft
Large type III endoleak
between the outer most
stent from prior repair and
inner stent from extension
fenestrated/branched repair
TYPE III ENDOLEAKThoracic stent overlap
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Interval spontaneous resolution of Type III endoleak
Spontaneous resolution on first follow up CTA…
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2011
2013
9-cm
11-cm
TYPE IIIC ENDOLEAKBifurcated component separation
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2010 2012
TYPE IIIC ENDOLEAKSMA fenestrated-branch stent disconnection
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IMA angiography
Guide-wire celiac fenestration
Inside aneurysm sac confirmed
type III endoleak
IMA
Large endoleak without
definitive connection to the
SMA or Celiac attachments.
TYPE III/II ENDOLEAKCeliac fenestration and IMA
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TYPE IIID ENDOLEAKFabric tear (probably from posterior diameter-reducing ties)
Probable fabric
tear
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TYPE II ENDOLEAKS…
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TYPE II ENDOLEAKS
Patent IMA or
Hypogastric collaterals
Occluded IMA or
Hypogastric collaterals
Trans-arterial Trans-lumbar
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TYPE II ENDOLEAKSNeedle assist
Bulls Eye View
Progression View
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TYPE II ENDOLEAKSRecalcitrant endoleak after multiple prior
interventions
66mm 100mm
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TYPE II ENDOLEAKSRecalcitrant endoleak after multiple prior
interventions
Date mm Finding Intervention
Preop 62 - FEVAR
Dismissal 62 Type II -
1 month 66 Type II -
12 month 72 Type II Coiling/Onyx
18 month 79 Type II Onyx
24 month 82 Type II Onyx
30 month 82 Type II? -
48 month 95 Type II? Stent realinment
60 month 100 Type II? ?
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HIGH-DEFINITION CONE BEAM CT
* GE Discovery 740 (7 sec Spin)
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CONCLUSION
• Most common endoleaks are type II and type III from fenestration attachments, which can be treated by embolization and stent reinforcement
• Rates of type Ia endoleak are low when repairs are planned with supra-celiac sealing zones, but likely are more frequent with less extensive repairs
• Options are limited once there is failure of proximal neck after FEVAR (e.g explant, branch, CHIMPS), so it is better to prevent this complication!
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VISCERAL BRANCH DEVICES
PATIENT-SPECIFIC
Fenestrated
Anaconda™
OFF-THE-SHELF
Endolgix
Ventana®Cook
p-Branch®
Cook
t-Branch®
Gore
TAMBE®Cook Zenith®
FDA
APPROVEDCE MARK CE MARK CE MARK
PIVOTAL TRIAL
TERMINATED
PIVOTAL
TRIAL
TRIAL
DESIGN
TRIAL
DESIGN
JuxtarenalPararenal
TAAAPararenal TAAA Juxtarenal Pararenal TAAA
Pararenal
TAAA
JOTEC™
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