Aplicabilidad de la escala de riesgo Finnvasc en pacientes con isquemia crítica tratados mediante revascularización infrainguinal

Abstract

ObjectivesMany studies show that the Finnvasc risk score predicts early mortality and major amputation in patients with critical lower limb ischemia (CI) after revascularization. A study is made on the applicability of the score in our center. Material and methodsA total of 190 patients underwent infrainguinal revascularization for CI from January 2012 to December 2013. The patients were stratified into 4 groups according to the Finnvasc score. The incidence of postoperative adverse events was measured. Analysis of variance (ANOVA) was used to determine the association between the score and adverse events. The ROC curve was used to estimate the predictive value of the risk score. ResultsIn the first 30 postoperative days, 6 patients (3.2%) died and 14 (7.4%) underwent major amputation. For groups with scores of 0, 1, 2 and ≥3, the incidence of amputation was 0, 3.3, 10 and 15%; the mortality rate was 0, 5, 1.3 and 7.7%, and the mortality/amputation combined was 0, 8, 11 and 23%, respectively. The ANOVA for these results did not achieve statistical significance (P=.08; P=.2; P=.057, respectively). The ROC curves showed that the score was average for predicting early major amputation (AUC=.694; 0.570-0.818) and poor for predicting mortality (AUC=.563; 0.316-0.811). The ROC curve for mortality/amputation combined was similar (AUC=.664; 0.543-0.785). ConclusionsThe Finnvasc score in the studied population did not demonstrate an acceptable predictive value for early mortality and major amputation.