Abstract

The outcomes of revascularization of nonatherosclerotic occlusive popliteal artery disease are unknown. Therefore, the objective of this study was to analyze the outcomes of recanalization of nonatherosclerotic occlusive popliteal artery disease, the results of which would be useful in creating surgical strategies for such cases. From January 2000 to December 2015, a total of 22 patients with nonatherosclerotic occlusive popliteal artery disease underwent open surgical repair. We retrospectively analyzed the data of these patients. Thrombectomy with angioplasty on the occluded popliteal artery, graft interposition, and bypass surgery were conducted for revascularization of the affected region. We analyzed the overall primary patency rate, type of graft, and surgical approach. Furthermore, we compared the primary patency rate after surgical treatment. Of 22 patients, 3 (13.6%) had cystic adventitial disease, 16 (72.7%) had popliteal artery entrapment syndrome, and 3 (13.6%) were diagnosed as having thromboangiitis obliterans. Five patients (22.7%) underwent thrombectomy with patch angioplasty, 8 (36.3%) underwent bypass surgery, and 9 (40.9%) underwent graft interposition of the popliteal artery. All graft interpositions and thrombectomies with patch angioplasty were performed through a posterior approach, whereas all bypass surgeries were performed through a medial approach except in 1 case. The mean follow-up period was 54.95±42.99months. The overall primary patency rate at 1, 3, and 10years was 100%, 86.9%, and 69.5%, respectively. In the bypass group, the primary patency rate at 1, 3, and 10years was 100%, 66.7%, and 44.4%, respectively. In the other groups, the primary patency rate was 100% during the follow-up period. The difference in primary patency rate was statistically significant (P≤0.05). The result of surgical treatment for nonatherosclerotic occlusive popliteal artery disease was better than that of atherosclerotic popliteal artery disease. Direct popliteal artery reconstruction, such as graft interposition or thrombectomy with patch angioplasty, showed better short- and long-term patency than did bypass surgery.

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