Impact of Hospital Practice Factors on Mortality in Patients Hospitalized for Heart Failure in Japan　― An Analysis of a Large Number of Health Records From a Nationwide Claims-Based Database, the JROAD-DPC ―

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  • Kaku Hidetaka
    Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University
  • Funakoshi Kouta
    Center for Clinical and Translational Research, Kyushu University Hospital
  • Ide Tomomi
    Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University
  • Fujino Takeo
    Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University
  • Matsushima Shouji
    Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University
  • Ohtani Kisho
    Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University
  • Higo Taiki
    Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University
  • Nakai Michikazu
    Center for Cerebral and Cardiovascular Disease Information, National Cerebral and Cardiovascular Center
  • Sumita Yoko
    Center for Cerebral and Cardiovascular Disease Information, National Cerebral and Cardiovascular Center
  • Nishimura Kunihiro
    Center for Cerebral and Cardiovascular Disease Information, National Cerebral and Cardiovascular Center
  • Miyamoto Yoshihiro
    Center for Cerebral and Cardiovascular Disease Information, National Cerebral and Cardiovascular Center
  • Anzai Toshihisa
    Department of Cardiovascular Medicine, Hokkaido University Graduate School of Medicine
  • Tsutsui Hiroyuki
    Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University

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Other Title
  • Impact of hospital practice factors on mortality in patients hospitalized for heart failure in Japan—an analysis of a large number of health records from a nationwide claims-based database, the JROAD-DPC

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<p>Background:An inverse relationship exists between hospital case volume and mortality in patients with heart failure (HF). However, hospital performance factors associated with mortality in HF patients have not been examined. We aimed to identify these using exploratory factor analysis and assess the relationship between these factors and 7-day, 30-day, and in-hospital mortality among HF patients in Japan.</p><p>Methods and Results:We analyzed the records of 198,861 patients admitted to 683 certified hospitals of the Japanese Circulation Society between 2012 and 2014. Records were obtained from the nationwide database of the Japanese Registry Of All cardiac and vascular Diseases-Diagnostic Procedure Combination (JROAD-DPC). Using exploratory factor analysis, 90 hospital survey items were grouped into 5 factors, according to their collinearity: “Interventional cardiology”, “Cardiovascular surgery”, “Pediatric cardiology”, “Electrophysiology” and “Cardiac rehabilitation”. Multivariable logistic regression analysis was performed to determine the association between these factors and mortality. The 30-day mortality was 8.0%. Multivariable logistic regression analysis showed the “Pediatric cardiology” (odds ratio (OR) 0.677, 95% confidence interval [CI]: 0.628–0.729, P<0.0001), “Electrophysiology” (OR 0.876, 95% CI: 0.832–0.923, P<0.0001), and “Cardiac rehabilitation” (OR 0.832, 95% CI: 0.792–0.873, P<0.0001) factors were associated with lower mortality. In contrast, “Interventional cardiology” (OR 1.167, 95% CI: 1.070–1.272, P<0.0001) was associated with higher mortality.</p><p>Conclusions:Hospital factors, including various cardiovascular therapeutic practices, may be associated with the early death of HF patients.</p>

Journal

  • Circulation Journal

    Circulation Journal 84 (5), 742-753, 2020-04-24

    The Japanese Circulation Society

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