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Acute Occlusion of an Abdominal Aortic Aneurysm

Case Report and Review of the Literature

Masatake Takagi, MD

Hiroshi Hashiyada, MD

Naotaka Miyagawa, MD

Takafumi Yamada, MD

Seiichi Tada, MD

Toshiyasu Kugimiya, MD

Hitoshi Hirose, MD, FACA, FICS

473-1 Nemoto Matsudo City Chiba 271-0077 Japan

Acute thrombosis of an abdominal aortic aneurysm (AAA) is a surgical emergency. Only 44 cases have been reported in the literature. The mechanism of the thrombosis has not been delineated. The proposed etiologies include propagation of thrombus from distal artery occlusion, cardiac thromboembolism, and dislodgment of a mural thrombus. Patients often present bilateral lower extremity ischemia, mimicking a saddle embolism. Systemic heparinization immediately after diagnosis and prompt surgical revasculariza tion can reduce the mortality rate. The authors present a patient with sudden throm bosis of an AAA who was successfully treated with an axillobifemoral bypass graft. All published cases of thrombosed AAAs are analyzed.

Angiology, Vol. 51, No. 6, 515-523 (2000)
DOI: 10.1177/000331970005100611


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