Upload
others
View
1
Download
0
Embed Size (px)
Citation preview
Time to Personalize AAA Repair
Matt Thompson
Disclosure
Speaker name: Matt Thompson, MD
.................................................................................
I have the following potential conflicts of interest to report:
Consulting
Employment in industry – Endologix, Inc., Chief Medical Officer
Stockholder of a healthcare company
Owner of a healthcare company
Other(s)
I do not have any potential conflict of interest
X
X
3
ANCURE LIFEPATH VANGUARDANEURYX
EVAR Open % EVAR
2011 2982 1493 66%
2012 2976 1426 68%
2013 3062 1350 69%
2014 3123 1251 75%
2015 2882 1316 68%
VSQIP: AAA UK EVAR AND OPENAdoption of EVAR in UK
Schumerhorn et al NEJM 2015;373: 328
(5.4%rAAA / 8y)
Freedom from Rupture or Reintervention
Aneurysm Related Mortality
Greenhalgh et al Lancet 2016; 388: 2366
Aneurysm Related Mortality
63% of patients had one or more Hostile Neck features
Prospective, single center US study of 258 EVAR patients treated over an 8 year period
Conclusion: Patients with HNA can be treated with EVAR, but with higher rates of early (intraop) type I
endoleak and reintervention
Relationship Between Neck Anatomy and Outcome
Complication Rates Related to Aortic Morphology
Karthikesalingam et al PLOS One 2015 10 (7)
Complication Rates Related to Aortic Morphology
“Fit the patient to the endograft not the
endograft to the patient”
…with medical decisions, practices, and/or products being tailored to the individual patient
Personalized medicine proposes the customization of healthcare…
11The Nellix® EndoVascular Aneurysm Sealing System is an investigational device in the United States, limited by federal (or United States) law to investigational use only
The AFX graft is currently unavailable in the EU
● ● ●
Short Necks ●
Thrombus-Laden Neck ● ●
Calcific Neck ●
Reverse Taper Necks ● ●
Infrarenal placement ● ●
Small Access Vessels ● ●
Tortuous/Calcified ●
Preservation of Bifurcation ●
Narrow Distal Aorta ●
Patent IMA/Lumbars ●
Short Common Iliac ● ●
Concomitant Iliac Aneurysm ●
Aortic Neck Challenges
Access Challenges
Aneurysm Characteristics
Standard Anatomy
SELECT THE OPTIMAL GRAFT FOR ON-IFU TREATMENT
12
The Nellix® EndoVascular Aneurysm Sealing System is an investigational device in the United States,
limited by federal (or United States) law to investigational use only
Endologix products and associated components are not available in all countries or regions. Please contact your Endologix representative for details regarding product availability. Prior to use, refer to the “Instructions for Use” for complete and specific indications, contraindications, all warnings and precautions. Rx only.
Low profile endografts
Lowest profile of any EVAR device (14F OD)
Widest applicability on IFU (69%)
Good evidence base (IDE / EU PMR / LIFE / LUCY)
Excellent clinical results
OVATION Alto Launch
OVATION
SMALL ACCESS (<6mm)
60%
SHORT NECK
(<10mm) 20%
BOTH20%
40% COMPLEX ANATOMIES
Major Adverse Events*
97%
Freedom from
OcclusionFreedom from TIa EL Reintervention
97%
Freedom from Rupture
99%3.8%
* At 1 year
OVATION®
GLOBAL PIVOTAL TRIAL5 Year Results
Freedom from ARM*
98%
Freedom from Conversion
100%
161 patients enrolled in Chile, Germany and USA from Nov 2009 – Dec 2011
1/3 of patients had Severe Morphology
(150/501) patients had small access vessels, short, wide, or
angulated necks, or severe neck thrombus or calcification
Data provided by site imaging. Severe morphology based on SVS/AAVS anatomic scoring. Chaikof et al. J Vasc Surg 2002;35:1061-1066 / Walker et al. J Vasc Interv Radiol 2010;21:1632-1655
Aortic Morphology – Ovation European Post Market Registry
Introducing a New Therapy – EVAS is not EVAR
New therapy, potentially disruptive
Active sac management
All endografts have a failure mode
Mechanisms of EVAS failure becoming defined
Identify “sweet spot” for Nellix
The Nellix® EndoVascular Aneurysm Sealing System is an investigational device in the United States, limited by federal (or United States) law to investigational use only
Active Management Aneurysm Sac – Endoleak Rate
IncidencePersistence
99.2%
97.0%
Type 2 Endoleak – Global Registry
Active Sac Management and Type 2 Endoleak
The Nellix® EndoVascular Aneurysm Sealing System is an investigational device in the United States, limited by federal (or United States) law to investigational use only
Active Management Aneurysm Sac – Endoleak Rate and PIS
EVAS (63) EVAR (41)
PIS (%) 4.9 20.6
CRP (mg/l) 6.6 15.4
WCC 9.7 13.4
Data courtesy P Berg
ACM98.5%
89.6%
99% Freedom from CardiovascularMortality through 2 Years
CVM
EVAS and Biologic Response to AAA Repair
The Nellix® EndoVascular Aneurysm Sealing System is an investigational device in the United States, limited by federal (or United States) law to investigational use only
Nellix Stent Migration (Polymer and Thrombus)
Seal zone
engagement
Thrombus
volume and
stability
Polymer
thickness and
distribution
Resistance to Migration
Stiffness of stent
graft
The Nellix® EndoVascular Aneurysm Sealing System is an investigational device in the United States, limited by federal (or United States) law to investigational use only. The Nellix® EndoVascular Aneurysm Sealing System approved to treat infrarenal abdominal aortic aneurysms and is not approved for any other intended use in any geography.
Maximum Aortic Aneurysm Diameter
Maximum Aortic Blood Lumen Diameter
Max aortic aneurysm dia
Max aortic blood lumen dia
< 1.4
Aneurysm Ratio
Analysis
complete