Clinico-pathological Conferences of the University Hospital
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چکیده
Complete aortic occlusion is rare, but potentially catastrophic. It usually occurs in patients with advanced aortoiliac atherosclerosis, and can cause severe ischaemic manifestations (7). Acute aortic occlusion bears an early mortality of 31–52 % (1, 7) and is caused either by embolic occlusion or by acute thrombosis of the infrarenal abdominal aorta. Between 75–80 % of cases of thrombotic aortic occlusion occur in the setting of underlying severe aortoiliac atherosclerotic occlusive disease, often precipitated by a low-flow state. A hypercoagulable state may precipitate thrombosis of an abdominal aortic aneurysm and lead to aortic occlusion (4, 6, 7). Acute occlusion of abdominal aorta has a high early mortality and requires prompt intervention. It remains a serious vascular surgical emergency with significant morbidity and mortality, even when recognized promptly and treated appropriately (6). Symptoms and imaging methods (ultrasonography, CT, angiography, MRI) are crucial for the diagnosis.
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تاریخ انتشار 2010