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Indexed/Abstracted in: EMBASE, Scopus, Emerging Sources Citation Index
Online ISSN 1827-1782
Mori A., Mii S., Eguchi D., Sakata H.
Department of Vascular Surgery Nippon Steel Yawata Memorial Hospital 1-1-1 Harunomachi, Yahatahigashi-ku, Kitakyushu-city, Japan
Aim. The aim of this study was to review our 21 year experience in femoropopliteal (FP) bypass with externally supported, preclotted knitted Dacron prosthesis and to clarify risk factors affecting the graft patency.
Methods. The clinical records of 215 patients with arteriosclerosis obliterans (ASO) who underwent 248 FP bypass were retrospectively reviewed and short-term results including operative morbidity and long-term prognoses regarding graft patency, limb salvage, and survival of patients were summarized. In addition, perioperative factors affecting primary graft patency were evaluated by uni- and multivariate analysis.
Results. Graft failure within 30 days after bypass occurred in three cases (1.2%) and the operative mortality was 0%. The cumulative primary and secondary patency rates of FP bypass grafts were 77% and 83%, 66% and 72%, and 46% and 57% at 2, 5, 10 years, respectively. Limb salvage rates was 85%, 85%, and 52% at 2, 5, and 10 years, respectively, and the survival rates of patients was 87%, 64%, and 35% at 2, 5, 10 years, respectively. The most significant predictors of late graft failure were distal anastomotic artery below the knee (p<0.001) and critical limb ischemia (p=0.002).
Conclusion. EXS is an acceptable material for above knee FP bypass of claudicants.