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National Trends in Hospital Readmission Rates among Medicare Fee-for-Service Survivors of Mitral Valve Surgery, 1999–2010

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  • John A Dodson
  • Yun Wang
  • Karthik Murugiah
  • Kumar Dharmarajan
  • Zack Cooper
  • Sabet Hashim
  • Sudhakar V Nuti
  • Erica Spatz
  • Nihar Desai
  • Harlan M Krumholz

Abstract

Background: Older patients who undergo mitral valve surgery (MVS) have high 1-year survival rates, but little is known about the experience of survivors. Our objective was to determine trends in 1-year hospital readmission rates and length of stay (LOS) in these individuals. Methods: We included 100% of Medicare Fee-for-Service patients ≥65 years of age who underwent MVS between 1999–2010 and survived to 1 year (N = 146,877). We used proportional hazards regression to analyze the post-MVS 1-year readmission rate in each year, mean hospital LOS (after index admission), and readmission rates by subgroups (age, sex, race). Results: The 1-year survival rate among patients undergoing MVS was 81.3%. Among survivors, 49.1% experienced a hospital readmission within 1 year. The post-MVS 1-year readmission rate declined from 1999–2010 (49.5% to 46.9%, P

Suggested Citation

  • John A Dodson & Yun Wang & Karthik Murugiah & Kumar Dharmarajan & Zack Cooper & Sabet Hashim & Sudhakar V Nuti & Erica Spatz & Nihar Desai & Harlan M Krumholz, 2015. "National Trends in Hospital Readmission Rates among Medicare Fee-for-Service Survivors of Mitral Valve Surgery, 1999–2010," PLOS ONE, Public Library of Science, vol. 10(7), pages 1-11, July.
    • Handle: RePEc:plo:pone00:0132470
    DOI: 10.1371/journal.pone.0132470
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