Aneurysms of the popliteal artery.

A retrospective study of 13 patients with 18 popliteal artery aneurysms has been undertaken. The patients were seen under a period of 12 years. Six of the patients had extrapopliteal aneurysms as well. Seven of the popliteal aneurysms presented as vascular emergencies, due to occlusion of the popliteal artery. In this group the amputation rate was 57%. In the elective group no amputation was necessary nor did any patient suffer from claudication during follow-up. Ultrasonography is a good tool for demonstrating the nature of the disease. Usually a short exclusion bypass is enough to reconstruct the area. A popliteal aneurysm, if not occluded and asymptomatic, is an indication to operate because of the threat to the limb in case of embolism or thrombosis.