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http://dx.doi.org/10.5090/kjtcs.2010.43.2.127

Comparison of Saphenous Vein and PTFE Grafts for Above the Knee Femoropopliteal Bypass Grafting  

Kim, Han-Yong (Department of Thoracic and Cardiovascular Surgery, Masan Samsung Hospital, Sungkyunkwan University School of Medicine)
Kim, Jong-Seok (Department of Thoracic and Cardiovascular Surgery, Masan Samsung Hospital, Sungkyunkwan University School of Medicine)
Kim, Myoung-Young (Department of Thoracic and Cardiovascular Surgery, Masan Samsung Hospital, Sungkyunkwan University School of Medicine)
Hwang, Sang-Won (Department of Thoracic and Cardiovascular Surgery, Masan Samsung Hospital, Sungkyunkwan University School of Medicine)
Yoo, Byung-Ha (Department of Thoracic and Cardiovascular Surgery, Masan Samsung Hospital, Sungkyunkwan University School of Medicine)
Publication Information
Journal of Chest Surgery / v.43, no.2, 2010 , pp. 127-132 More about this Journal
Abstract
Background: Femoropopliteal artery bypss grafting is an effective form of treatment for infrainguinal artery occlusive disease in those patients who have either intermittent claudication or resting critical ischemia. The objective of this analysis was to evaluate the long-term patency of a femoropopliteal bypass graft that is classified as an above-the-knee saphenous vein graft or an above-the-knee PTFE (polytetrafluoroethylene) graft. Material and Method:From January 1998 to February 2005, 103 above-the-knee femoro-popliteal bypasses were performed on 87 patients. There were 74 male and 13 female patients with a mean age of $65.7{\pm}9.69$ (range: 31~82). The surgical indications were intermittent claudication in 65 cases (74.7%), foot ulceration in 2 cases (2.3%), foot necrosis in 10 ases (11.5%) and toe necrosis in 10 cases (11.5%). For the bypass graft, a reversed saphenous vein was used in 31 limbs and a polytetrafluoroethylene (PTFE) prosthesis was used in 72 limbs (6 mm: 27 limbs, 8 mm: 45 limbs). The perioperative risk factors were diabetes mellitus in 33 cases (37.9%), hypertension in 47 cases (54.0%), a history of ischemic heart disease in 13 cases (14.9%) and smoking in 72 cases (82.8%). Result:There were three perioperative deaths (3.4%) and seven late deaths (8.3%). Major leg amputation was necessary in 12 patients (13.8%) during the entire course of the study. The primary patency rate at 5 years for the vein grafts, the 8 mm-PTFE grafts and the 6 mm-PTFE grafts were 84.7%, 77.4% and 74.2%, respectively and the overall primary patency rate was 78.7%, and there were no significant statistical differences among the graft groups. By using multivariate analysis, the number of patent tibial arteries was determined to be a significant factor that influenced the primary graft patency rate (p<0.005), but risk factors such as diabetes mellitus, ischemic heart disease, smoking and age had no statistically significant affect on the primary graft patency rates. Conclusion: The great saphenous vein is considered the most durable conduit for infrainguinal revascularization, but the overall results of this study show that saphenous vein and PTFE grafts have comparable patency rates when used above the knee in patients with claudication or critical ischemia. The use of PTFE above the knee is a reasonable alternative for a femoro-poplitael bypass and it is associated with acceptable long term patency rates.
Keywords
Bypass; Saphenous vein; Polytetrafluoroethylene; Femoral artery;
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