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Updated: May 30, 2026

Modified Octopus Technique for Thoracoabdominal Aortic Aneurysm

Modified Octopus Technique for Thoracoabdominal Aortic Aneurysm

Published on: August 1, 2025

Endovascular therapy for infected aortic aneurysms.

Boonprasit Kritpracha¹, Dhanakom Premprabha, Jitpreedee Sungsiri

¹Department of Surgery, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla, Thailand. kboonpra@medicine.psu.ac.th

Journal of Vascular Surgery

|August 2, 2011

Summary

Endovascular therapy for infected aortic aneurysms shows excellent results without fistulas. However, outcomes are poorer for patients with aorto-aerodigestive/aortocaval fistulas, indicating a need for careful consideration in these complex cases.

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Last Updated: May 30, 2026

Modified Octopus Technique for Thoracoabdominal Aortic Aneurysm

Modified Octopus Technique for Thoracoabdominal Aortic Aneurysm

Published on: August 1, 2025

Area of Science:

Vascular Surgery
Infectious Diseases
Endovascular Interventions

Background:

Infected aortic aneurysms (IAAs) pose significant management challenges.
Aorto-enteric and aortocaval fistulas are serious complications of IAAs.

Purpose of the Study:

To evaluate the outcomes of endovascular stent graft therapy for IAAs.
To compare results in patients with and without aorto-aerodigestive/aortocaval fistulas.

Main Methods:

A retrospective study of 21 patients with IAAs treated with endovascular stent grafts.
Patients were categorized into groups with and without fistula complications.
Outcomes including in-hospital mortality and follow-up were analyzed.

Main Results:

Overall in-hospital mortality was 19%, with 60% mortality in the fistula group versus 6% in the non-fistula group.
Patients without fistulas showed significant aneurysm resolution or shrinkage in 94% of cases.
The fistula group experienced higher mortality and morbidity, including massive bleeding.

Conclusions:

Endovascular therapy offers excellent short- and medium-term outcomes for IAAs without fistula complications.
The presence of aorto-aerodigestive/aortocaval fistulas is associated with significantly poorer outcomes following endovascular treatment.