Fifteen Year Experience with Subctaneous Bypass Grafts for Lower Extremity Ischemia
- 1 August 1977
- journal article
- research article
- Published by Wolters Kluwer Health in Annals of Surgery
- Vol. 186 (2), 177-183
- https://doi.org/10.1097/00000658-197708000-00009
Abstract
A 15-year experience with 92 subcutaneous arterial bypass grafts for lower extremity revascularization has been reviewed. Fifty-nine AF and 33 FF bypass operations were performed on 89 patients whose average age was 66 years. The overall five-year survival was 33% compared to an expected survival of 80%, 88% of the AF, and 76% of the FF operations were performed for limb salvage, bypass of an aortic aneurysm, or replacement of an infected aortic graft. The remainder were performed for intermittent claudication on patients who were too ill to withstand an intra-abdominal operation. 75% of the patients with AF grafts and 64% of those with FF grafts experienced complete relief of lower extremity ischemia, including all of the patients with claudication. Graft patency was analyzed by the life table method. In the FF series, 74% of the grafts remained patent for one year; 73% for two years; 66% for three years; and 53% for four years. A 50% incidence of thrombosis occurred at the end of two years in the AF group. The patency rate of the AF grafts was also studied with regard to the type of graft material employed: a 50% incidence of thrombosis was reached at 36 months with knitted Dacron; at 18 months with weave-knit Dacron; and at 9 months with woven Dacron. These data indicate that: (1) contrary to our previous report, weave-grafts provide adequate blood flow to the lower extremities but do not remain patent as long as more conventional types of reconstruction; (2) subcutaneos grafts should be performed only when an intra-abdominal procedure is contraindicated or life expectancy is limited.This publication has 15 references indexed in Scilit:
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