Predictive scoring model of mortality after surgical or endovascular revascularization in patients with critical limb ischemia
2014
Objective The latest guideline points to life expectancy of Methods We performed Cox proportional hazards regression analysis of data in a retrospective database, the Bypass and Endovascular therapy Against Critical limb ischemia from Hyogo (BEACH) registry, of 459 consecutive CLI patients who underwent revascularization (396 EVT and 63 BSX cases between January 2007 and December 2011) to determine predictors of 2-year mortality. The predictive performance of the score was assessed with the area under the time-dependent receiver operating characteristic curve. Results Of 459 CLI patients (mean age, 72 ± 10 years; 64% male; 49% nonambulatory status, 68% diabetes mellitus, 47% on regular dialysis, and 18% rest pain and 82% tissue loss as treatment indication), 84 died within 2 years after revascularization. In a multivariate model, age >75 years (hazard ratio [HR], 1.77; 95% confidence interval [CI], 1.10-2.85), nonambulatory status (HR, 5.32; 95% CI, 2.96-9.56), regular dialysis (HR, 1.90; 95% CI, 1.10-3.26), and ejection fraction Conclusions Predictors of 2-year mortality after EVT or BSX in CLI patients included age >75 years, nonambulatory status, regular dialysis, and ejection fraction
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