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Updated: Jul 2, 2026
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Modified Octopus Technique for Thoracoabdominal Aortic Aneurysm
Published on: August 1, 2025
Percutaneous Zenith endografting for abdominal aortic aneurysms
Kamaldeep S Heyer1, Scott A Resnick, Jon S Matsumura
1Division of Vascular Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611, USA.
Annals of Vascular Surgery
|September 9, 2008
Summary
A minimally invasive approach for abdominal aortic aneurysm (AAA) repair using a percutaneous technique demonstrated high success rates. This method offers advantages over traditional open surgery, with manageable access-related complications.
Area of Science:
- Vascular Surgery
- Minimally Invasive Procedures
- Endovascular Repair
Background:
- Traditional surgical repair of abdominal aortic aneurysms (AAA) involves significant invasiveness.
- Percutaneous endografting offers theoretical benefits of being less invasive and faster.
Purpose of the Study:
- To evaluate the utility and safety of a completely percutaneous approach for infrarenal AAA endografting.
- To assess outcomes using a suprarenal fixation device and a suture-mediated closure system.
Main Methods:
- Retrospective review of 14 patients undergoing percutaneous AAA repair with the Zenith device.
- Evaluation of immediate and delayed access-related outcomes over a mean follow-up of 12.1 months.
- Analysis of AAA size, closure success, and complication rates.
Main Results:
- Immediate arterial closure and technical success rate was 96% (27/28 vessels).
- One immediate hemostatic failure required open repair; one delayed complication (claudication) required operative repair.
- No other immediate or delayed complications such as thrombosis, pseudoaneurysm, infection, or deep venous thrombosis were observed.
Conclusions:
- A percutaneous approach for AAA treatment presents advantages over femoral artery cutdown.
- The "preclose technique" is safe and effective for the Zenith device, even with its large-bore delivery system.
- This approach has unique risks that must be managed in the postoperative period.
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