Causes, Risk Factors, and Costs of 30-Day Readmissions After Mitral Valve Repair and Replacement

The readmission rate after mitral valve surgery was 17% among over 75,000 patients in the National Readmissions Database. Predictors included extended initial LOS, chronic lung or renal disease, and low hospital procedural volume for mitral surgery. The mean cost of readmission was over $15,000.