Purposes: The aim of this study was to evaluate the risk factors for the two-year survival after revascularization of critical limb ischemia. Methods: Between 2008 and 2012, 142 patients underwent revascularization. A retrospective analysis was performed to measure the risk factor. Results: A total 85 patients underwent surgical revascularization, 31 patients underwent endovascular therapy while 26 patients underwent hybrid therapy. By multivariate analysis, the following variables were considered to be risk factors: ejection fraction <50 % (HR, 3.14; 95% CI, 1.22–7.95; P = 0.02), serum albumin level <2.5 g/dL (HR, 3.45; 95% CI, 1.01–11.7; P = 0.04) and nonambulatory status (HR, 4.11; 95% CI, 1.79–9.70; P < 0.01). The two-year survival rate of the patients with no risk factors was 85.5%, while the patients with at least one risk factor had an unfavorable prognosis (one; 56.7%, two; 45.4%). Conclusions: The nonambulatory status, serum albumin level <2.5 g/dL and ejection fraction <50% were the risk factors for the two-year mortality after revascularization in critical limb ischemia patients. These risk factors may be useful for the treatment strategy of critical limb ischemia patients.
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