POPLITEAL ANEURYSMS1

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Abstract
Although popliteal aneurysm is reportedly common, there are few series reporting large numbers, and little uniformity in the method of treatment. Review of 52 popliteal aneurysms in this series showed that when thromboembolic complications occurred, the amputation rate was 28 per cent. When the aneurysm was patent at presentation, amputation was the outcome in one in 20 cases (5 percent), indicating that repair is not without risk. An unsatisfactory outcome was usually caused by excessive delay before reconstructive arterial surgery was undertaken. In most cases delay was caused by failure to recognize the presence of the popliteal aneurysm. This review confirms the susceptibility of elderly males and emphasizes the need for considering the diagnosis of popliteal aneurysm in cases of acute lower limb ischaemia. Alternative presentations include spontaneous venous thrombosis, pain and swelling behind the knee, rupture and mycotic infection.

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