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Ann Vasc Surg. 2015 Nov;29(8):1658.e11-4. doi: 10.1016/j.avsg.2015.06.078. Epub 2015 Aug 7.

Endovascular Aneurysm Repair of Acute Occlusion of Abdominal Aortic Aneurysm with Intra-Aneurysmal Dissection.

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Department of Cardiovascular Surgery, Shizuoka Hospital, Shizuoka, Japan. Electronic address:
Department of Cardiovascular Surgery, Shizuoka Hospital, Shizuoka, Japan.



To report a rare case of acute abdominal aortic aneurysm (AAA) occlusion successfully treated by endovascular aneurysm repair (EVAR).


An 89-year-old man complained of severe back pain and weakness in the bilateral lower extremities. Although there were neither acute ischemic signs on the brain computed tomography (CT) nor critical leg ischemia, the patient presented progressing weakness in the bilateral lower extremities and decreased sensation in the perianal and saddle area. Contrast-enhanced CT demonstrated an infrarenal AAA, the formation of an ulcer-like lesion in the aneurysmal wall, and the complete occlusion of distal AAA because of the caudal extension of intramural hematoma. Both common iliac arteries were patent because of the development of collateral vessels. The neurologic symptoms were considered to be caused by the occlusion of lumbar radicular arteries. EVAR seemed anatomically feasible, if the occlusion could be crossed by guidewires from both side of the common femoral artery. Wires easily traversed the occlusion, and the stent graft could be smoothly unwrapped and opened. The patient could recover decent iliac arterial flow. The neurovascular deficits recovered within 4 days after the procedure.


Although our experience may not be reproduced in all case of AAA occlusion, EVAR warrants consideration to reduce the high mortality rate associated with the classical treatments.

[Indexed for MEDLINE]

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