Limited Predictive Role of the Revised Cardiac Risk Index in Kidney Transplant: Single Center Evaluation and Comparison With International Literature
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Perioperative risk factors predicting major cardiovascular events (MACE) and the performance of the Revised Cardiac Risk Index (RCRI) in a retrospective cohort of 325 consecutive adult patients undergoing kidney transplant from deceased donor grafts were assessed. Primary outcome was a composite of MACE up to 30 days post-transplant. Incidence of MACE was 5.8% at 30 days. Overall proportion of patients with RCRI ≥ 4 was 5%, but was higher (28%) among those who developed MACE. Patients with RCRI ≥ 4 had lower survival free of MACE compared to those with RCRI < 4 (P <0.001); however, in multivariable analysis, RCRI was not a predictor of cardiovascular events. The RCRI demonstrated poor discrimination to predict MACE at 30 days [area under the curve 0.64 (95% CI 0.49-0.78)]. Revised Cardiac Risk Index was not associated with reduced MACE-free survival adjusted analysis and its predictive ability was poor.
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