Dae Yong Park1, Seokyung An2, Jonathan M Hanna3, Stephen Y Wang3, Ana S Cruz-Solbes3, Ajar Kochar4, Angela M Lowenstern5, John K Forrest6, Yousif Ahmad6, Michael Cleman6, Abdulla Al Damluji7, Michael G Nanna6. 1. Department of Medicine, Cook County Health, Chicago, Illinois, United States of America. 2. Department of Biomedical Science, Seoul National University Graduate School, Seoul, Korea. 3. Department of Medicine, Yale School of Medicine, New Haven, Connecticut, United States of America. 4. Section of Interventional Cardiology, Brigham and Women's Hospital, Boston, Massachusetts, United States of America. 5. Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, United States of America. 6. Section of Cardiovascular Medicine, Yale School of Medicine, New Haven, Connecticut, United States of America. 7. Section of Interventional Cardiology, Johns Hopkins University, Baltimore, Maryland, United States of America.
Abstract
OBJECTIVES: We sought to examine readmission rates and predictors of hospital readmission following TAVR in patients with ESRD. BACKGROUND: End-stage renal disease (ESRD) is associated with poor outcomes following transcatheter aortic valve replacement (TAVR). METHODS: We assessed index hospitalizations for TAVR from the National Readmissions Database from 2017 to 2018 and used propensity scores to match those with and without ESRD. We compared 90-day readmission for any cause or cardiovascular cause. Length of stay (LOS), mortality, and cost were assessed for index hospitalizations and 90-day readmissions. Multivariable logistic regression was performed to identify predictors of 90-day readmission. RESULTS: We identified 49,172 index hospitalizations for TAVR, including 1,219 patients with ESRD (2.5%). Patient with ESRD had higher rates of all-cause readmission (34.4% vs. 19.2%, HR 1.96, 95% CI 1.68-2.30, p<0.001) and cardiovascular readmission (13.2% vs. 7.7%, HR 1.85, 95% CI 1.44-2.38, p<0.001) at 90 days. During index hospitalization, patients with ESRD had longer length of stay (mean difference 1.9 days), increased hospital cost (mean difference $42,915), and increased in-hospital mortality (2.6% vs. 0.9%). Among those readmitted within 90 days, patients with ESRD had longer LOS and increased hospital charge, but similar in-hospital mortality. Diabetes (OR 1.86, 95% CI 1.31-2.64) and chronic pulmonary disease (OR 1.51, 95% CI 1.04-2.18) were independently associated with higher odds of 90-day readmission in patients with ESRD. CONCLUSION: Patients with ESRD undergoing TAVR have higher mortality and increased cost associated with their index hospitalization and are at increased risk of readmission within 90 days following TAVR.
OBJECTIVES: We sought to examine readmission rates and predictors of hospital readmission following TAVR in patients with ESRD. BACKGROUND: End-stage renal disease (ESRD) is associated with poor outcomes following transcatheter aortic valve replacement (TAVR). METHODS: We assessed index hospitalizations for TAVR from the National Readmissions Database from 2017 to 2018 and used propensity scores to match those with and without ESRD. We compared 90-day readmission for any cause or cardiovascular cause. Length of stay (LOS), mortality, and cost were assessed for index hospitalizations and 90-day readmissions. Multivariable logistic regression was performed to identify predictors of 90-day readmission. RESULTS: We identified 49,172 index hospitalizations for TAVR, including 1,219 patients with ESRD (2.5%). Patient with ESRD had higher rates of all-cause readmission (34.4% vs. 19.2%, HR 1.96, 95% CI 1.68-2.30, p<0.001) and cardiovascular readmission (13.2% vs. 7.7%, HR 1.85, 95% CI 1.44-2.38, p<0.001) at 90 days. During index hospitalization, patients with ESRD had longer length of stay (mean difference 1.9 days), increased hospital cost (mean difference $42,915), and increased in-hospital mortality (2.6% vs. 0.9%). Among those readmitted within 90 days, patients with ESRD had longer LOS and increased hospital charge, but similar in-hospital mortality. Diabetes (OR 1.86, 95% CI 1.31-2.64) and chronic pulmonary disease (OR 1.51, 95% CI 1.04-2.18) were independently associated with higher odds of 90-day readmission in patients with ESRD. CONCLUSION: Patients with ESRD undergoing TAVR have higher mortality and increased cost associated with their index hospitalization and are at increased risk of readmission within 90 days following TAVR.
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