thoracic and abdominal aortic aneurysm grafts: lessons from … · 2016-07-19 · thoracic and...
TRANSCRIPT
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Seattle Cardiology
Thoracic and Abdominal Aortic
Aneurysm Grafts:
Lessons from the Past, Designs for
the Future
Robert M. Bersin, MD, MPH
Medical Director, Endovascular Services
Seattle Cardiology and Swedish Medical Center
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Seattle Cardiology
Disclosure Information
Thoracic and Abdominal Aortic Aneurysm Grafts:
Lessons from the Past, Designs for the Future
Robert M. Bersin MD, MPH
AB: Advisory Board
C: Consulting Relationship
EI: Equity Interest
GS: Grant Support
P: Proctor or Training Course Sponsorships
SB: Speakers Bureau
SE: Spouse Employee
SO: Stock Options or Positions
The following relationships exist related to this presentation:
Name of Company: Cook Inc. C, P
Name of Company: Cordis Endovascular AB,C, EI, P, SB
Name of Company: Medtronic Vascular P
Name of Company: W.L. Gore C, P
Off label use of products will be discussed in this presentation: Use of endografts for aortic dissection, ascending,
arch and thoracoabdominal aneurysms
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Seattle Cardiology
First AAA Endograft Implant 1990
Parodi JC, Palmaz JC and Barone HD Ann Vasc Surg 1991; 5: 491-499
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EVT ANCURE® Endograft
Features
One-piece
Conformable graft design
Platinum radiopaque markers
ENDO-HOOKS™ Attachment System
25 Fr inner diameter
Seattle Cardiology
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Seattle Cardiology
EVAR - Profile and Anatomic Coverage
of Current DevicesMedtronic
AneuRx
Medtronic
Talent
Gore
Excluder
Cook
Zenith
Endologix
Powerlink
Profile
(O.D.)21/22Fr 22/23Fr 20/21Fr 21/24Fr 20/22Fr
Anatomic
Coverage50% 75% 60% 75% 40%
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Seattle Cardiology
Aortic Endografts
Current Limitations
• Proximal neck diameters
• 18-32 mm (Talent—34 mm, Zenith—36 mm)
• Proximal neck lengths (supra and infra renal attachment)
• 5-15 mm
• Iliac artery size for delivery
• 6-9 mm
• Iliac artery attachment site diameter
• 8-20 mm diameter
• Angle of neck to aneurysm <60°
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Seattle Cardiology
Aptus Endostapling AAA Device
FIM 7-30-05 Venezuela
STAPLE-2 US IDE Pivotal Trial Completed
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Seattle Cardiology
Next Generation Endografts
Perdikides T el at J Endovasc Ther 2009; 16: 567–576
Aorfix Endograft (N=20)
The ARBITER II Trial (N=232)
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Seattle Cardiology
Fenestrated Endografts
Proximal Neck 5 mm
Courtesy of T. Ohki
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Seattle Cardiology
Multi-Branched Endografts
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Seattle Cardiology
Nellix AAA Therapy: A No Neck Solution?
1. Two Delivery
Catheters
access the
Aneurysm
2. Sheaths are
retracted to
expose Endografts
and Endoframes
mounted on
Balloons
3. Balloons are
inflated to expand
Endoframes.
Endografts are
then filled with
Polymer
4. Balloons are
removed and
Endoprosthesis is
delivered.
Extension cuffs are
used per patient’s
anatomical needs.
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Seattle Cardiology
Polymer Fill
Nellix Device
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Seattle Cardiology
The Unmet Need for Percutaneous Access
Small Caliber Iliacs Extreme Tortuosity
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Seattle Cardiology
Endurant Endograft
• Three-piece modular
• Suprarenal stent with hook fixation
• More flexible main body and limbs
• Lower-profile delivery: 18- and 20-F OD
• Treats shorter and more angulated necks
Design Characteristics
18 and 20F
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Seattle Cardiology
Next Generation LP EVAR Devices
• Three-piece modular
• Suprarenal stent with hook fixation
• Lower-profile delivery: 12-16F OD
Common Design Characteristics
Cook Zenith LP 16F Trivascular 14F Cordis Ambition 12F
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Seattle Cardiology
AneuRx Thoracic Stent-Graft System
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Seattle Cardiology
AneuRx Thoracic Stent-Graft System
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Seattle Cardiology
WL Gore TAG thoracic device
Medtronic TALENT thoracic device
Cook TX2 thoracic device
Thoracic Endografts
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Descending Thoracic Aneurysm
with Acute Dissection
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Seattle Cardiology
Stanford Type B Dissection
26 mm proximal neck diameter by CTA
30 mm proximal neck diameter by IVUS
33 mm distal neck diameter at 20 cm
34 mm x 20 cm Gore TAG device
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Seattle Cardiology
Acute Proximal Endograft Collapse
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Seattle Cardiology
Pre-Curved DeviceCurrent TAG Device
Curved TAG Endograft
• 08-01 Acute Type B Dissection
• 08-02 Traumatic Transection
• 08-03 Aneurysm of the DTA
Clinical Trials
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Seattle Cardiology
Medtronic Thoracic Device Portfolio
Talent Thoracic Xcelerant Talent Thoracic Captivia
• Approved U.S. ’08
• 5-peak proximal bare spring with
radial force
• Diameters (22-46mm)
• Lengths (110 – 116mm)
• 22F, 24F, 25F
• Pros: accuracy, ease of use,
>20K implants WW
• IDE trial completed
• 5-peak bare spring, proximal tip
capture delivery, hydrophilic
coating
• Lengths to 200mm
• Pros: Tip capture, improved
accuracy, easier iliac access,
longer lengths
Valiant on Captivia
• CE Mark October ’09
• 8-peak proximal bare spring, no
connecting bar, tip capture
delivery, hydrophilic coating
• Pros: Tip capture, accuracy,
increased patient applicability in
more challenging cases, high
conformability, , # 1 TEVAR
device OUS
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Seattle Cardiology
TX2 with Pro-Form
Original TX2
-Trigger-wires constrain the PROXIMAL
end of the sealing stent
TX2 with Pro-Form
- Trigger-wires constrain PROXIMAL and
DISTAL end of the sealing stent
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Seattle Cardiology
Zenith TX2 with Pro-Form
Addresses the ―Bird’s Beak‖ effect
Original TX2 with Trigger-wires pulled
TX2 with Pro-Form with Trigger-wires pulled
Original TX2 TX2 with Pro-Form
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Seattle Cardiology
Next Generation TX2
TX2-Low Profile
Proximal Component Distal Component
Graft Diameters Introducer
ID
18 – 30 mm 16 Fr
32 – 40 mm 18 Fr
42 – 46 mm 20 Fr
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Seattle Cardiology
TX2 Dissection Device
Bare Z’s - Stainless steel stacked stent bodies connected with 5. 0 Prolene
- 46 mm diameter X 3 lengths: 82, 123, 164 mm
- very low radial force; expand over time
- STABLE Trial is adding 36 mm bare stent and TX2 with Pro-Form
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Seattle Cardiology
Chuter Arch Branched Device
Z0
Z1 Z2
Z3
Z4
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Seattle Cardiology
Ascending Aortic Devices
TX2-LP Devices (28 - 46 mm)
Ascending Graft
Arch Bare Stent