• Jessica Forcillo, Jose F Condado, Jose N Binongo, Yi Lasanajak, Hope Caughron, Vasilis Babaliaros, Chandan Devireddy, Bradley Leshnower, Robert A Guyton, Peter C Block, Amy Simone, Patricia Keegan, Paul Khairy, and Vinod H Thourani.
• Division of Cardiothoracic Surgery, Structural Heart and Valve Center, Emory University, Atlanta, Ga; Cardiology Department, Université de Montréal, Montréal, Québec, Canada.
• J. Thorac. Cardiovasc. Surg. 2017 Aug 1; 154 (2): 445-452.

ObjectiveIn high- or extreme-risk patients undergoing transcatheter aortic valve replacement, readmissions have not been adequately studied and are the subject of increased scrutiny by healthcare systems. The objectives of this study were to determine the incidence of 30-day and 1-year cardiac and noncardiac readmissions, identify predictors of readmission, and assess the association between readmission and 1-year mortality.MethodsA retrospective review was performed on 714 patients who underwent transcatheter aortic valve replacement from September 2007 to January 2015 at Emory University.ResultsPatients' median age was 83 years, and 46.6% were female. Early all-cause readmission for the cohort was 10.5%, and late readmission was 18.8%. Anemia was related to both early all-cause (hazard ratio [HR], 0.74) and cardiovascular-related readmission (HR, 0.60). A 23-mm valve implanted was associated with early all-cause readmission (HR, 1.73). Length of hospital stay was related to late all-cause (HR, 1.14) and cardiovascular-related readmission (HR, 1.21). Postoperative permanent stroke had an impact on late cardiovascular-related readmission (HR, 3.60; 95% confidence interval, 1.13-11.49). Multivariable analysis identified anemia as being associated with 30-day all-cause readmission, and anemia and postoperative stroke were associated with 30-day cardiovascular-related readmission. Readmissions seemed to be related to 1-year mortality (HR, 2.04; 95% confidence interval, 1.33-3.12).ConclusionsWe show some baseline comorbidities and procedural complications that are directly associated with early and late readmissions, and anemia and postoperative stroke were associated with an increase in mortality. Moreover, we found that readmission was associated with double the hazard of death within 1 year. Whether treatment of identified risk factors could decrease readmission rates and mortality warrants further investigation.Copyright © 2017 The American Association for Thoracic Surgery. Published by Elsevier Inc. All rights reserved.

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