Abstract
Lower limb revascularization has been shown to be worthwhile for treatment of critical leg ischemia in uremic patients, but poor results are expected in patients on long-term dialysis. We have retrospectively evaluated the results of a series of 21 consecutive patients on long-term dialysis who underwent 20 infrainguinal bypass graft and 5 endovascular procedures for critical leg ischemia to identify factors contraindicating any infrainguinal revascularization attempt in this patient population. At 2-year follow-up, the patency rate was 74%, leg salvage rate was 85%, and survival rate was 23%, whereas 23% of patients were alive with salvaged leg. Patients on hemodialysis achieved better survival outcome than patients on peritoneal dialysis (p = 0.02). Multivariate analysis showed that low serum level of albumin (p = 0.009; p = 0.005) and coronary artery disease (p = 0.0002; p = 0.001) had an adverse effect on the survival rate and on the rate of patients alive with salvaged leg, respectively. Patients without coronary artery disease achieved an alive-with-salvaged-leg rate at 1- and 2-year follow-up of 68% and 41%, respectively, whereas 12% of patients with coronary artery disease survived with salvaged leg after 1 year, but none of them survived with salvaged leg at 2-year follow-up (p = 0.003). In conclusion, infrainguinal revascularization for lower extremity ischemia in dialysis patients is hardly indicated in the presence of coronary artery disease and severe hypoalbuminemia.
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