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Updated: Apr 28, 2026

Modified Octopus Technique for Thoracoabdominal Aortic Aneurysm
Published on: August 1, 2025
Ruptured abdominal aortic aneurysm and aortoiliac vein fistula
Takayuki Gyoten1, Toshio Doi2, Akio Yamashita3
1Department of Cardiovascular Surgery, JA Nagano Koseiren Shinonoi General Hospital, Nagano, Japan t.gyoten29@gmail.com.
Abstract:
A 67-year-old man was admitted with severe abdominal pain and back pain. Computed tomography showed an infrarenal abdominal aortic aneurysm (8.4 × 8.3 cm) and a large retroperitoneal hematoma. Immediately afterwards, the patient suffered circulatory collapse and was rushed to the operating theater. A fistula communicating with the left iliac vein was found. It was repaired with a Dacron patch while balloon-tipped catheters controlled the bleeding. The abdominal aortic aneurysm was replaced with a bifurcated graft. The postoperative course was uneventful. There have been few reports of successful repair of a ruptured abdominal aortic aneurysm associated with aortoiliac arteriovenous fistula.
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