• Sidakpal S Panaich, Shilpkumar Arora, Nilay Patel, Sopan Lahewala, Yash Agrawal, Nileshkumar J Patel, Harshil Shah, Viralkumar Patel, Abhishek Deshmukh, Theodore Schreiber, Cindy L Grines, and Apurva O Badheka.
• Cardiology Department, Borgess Medical Center, Kalamazoo, Michigan.
• Am. J. Cardiol. 2016 Dec 1; 118 (11): 1705-1711.

AbstractThere are sparse data on the etiologies and predictors of readmission after transcatheter aortic valve implantation (TAVI). The study cohort was derived from the National Readmission Data 2013, a subset of the Healthcare Cost and Utilization Project sponsored by the Agency for Healthcare Research and Quality. TAVI was identified using appropriate International Classification of Diseases, Ninth Revision, Clinical Modification codes. The coprimary outcomes were 30-day readmissions and in-hospital mortality during primary admission and readmission. Hierarchical 2-level logistic models were used to evaluate study outcomes. Our analysis included 5,702 (weighted n = 12,703) TAVI procedures. About 1,215 patients were readmitted (weighted n = 2,757) within 30 days during the study year. Significant predictors of readmission included transapical access (OR, 95% CI, p value) (1.23, 1.10 to 1.38, <0.01), diabetes (1.18, 1.06 to 1.32, p 0.004), chronic lung disease (1.32, 1.18 to 1.47, <0.01), renal failure (1.43, 1.24 to 1.65, <0.01), patients discharged to facilities (1.28, 1.14 to 1.43, <0.01), and those who had lengthier hospital stays during primary admission (length of stay >10 days: 3.06, 2.22 to 4.22, <0.01). Female gender (1.39, 1.16 to 1.68, <0.01), blood transfusion (1.88, 1.55 to 2.29, <0.01), use of vasopressors (3.63, 2.50 to 5.28, <0.01), hemodynamic support (6.39, 5.20 to 7.85, <0.01) and percutaneous coronary intervention (1.89, 1.30 to 2.74, 0.01) during primary admission were significant predictors of in-hospital mortality. Age and transapical access were significant predictors of in-hospital mortality during readmission. In conclusion, heart failure, pneumonia, and bleeding complications are among important etiologies of readmission in patients after TAVI. Patients who underwent transapical TAVI and those with slower in-hospital recovery and co-morbidities such as chronic lung disease and renal failure are more likely to be readmitted to the hospital.Copyright © 2016 Elsevier Inc. All rights reserved.

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