Circulation Reports
Online ISSN : 2434-0790
Heart Failure
Association of Previous Hospitalization for Heart Failure With Increased Mortality in Patients Hospitalized for Acute Decompensated Heart Failure
Kanae SuTakao KatoMamoru ToyofukuTakeshi MorimotoHidenori YakuYasutaka InuzukaYodo TamakiNeiko OzasaErika YamamotoYusuke YoshikawaYasuyo MotohashiHiroki WatanabeTakeshi KitaiRyoji TaniguchiMoritake IguchiMasashi KatoKazuya NagaoTakafumi KawaiAkihiro KomasaRyusuke NishikawaYuichi KawaseTakashi MorinagaToshikazu JinnaiMitsunori KawatoYukihito SatoKoichiro KuwaharaTakashi TamuraTakeshi KimuraKCHF Registry Investigators
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2019 年 1 巻 11 号 p. 517-524

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Background:We sought to explore the effects of previous heart failure (HF) hospitalization on mortality in patients hospitalized for acute decompensated HF (ADHF) in a large Japanese contemporary observational database.

Methods and Results:We prospectively enrolled consecutive patients with ADHF in 19 participating hospitals between October 2014 and March 2016. Of 4,056 patients, 1,442 patients (35.4%) had at least 1 previous HF hospitalization (previous hospitalization group), while 2,614 patients (64.5%) did not have a history of HF hospitalization (de novo hospitalization group). Patients with previous hospitalization were older and more often had comorbidities such as anemia, and renal failure than those without. The cumulative 1-year incidence of all-cause death was significantly higher in the previous hospitalization group than in the de novo hospitalization group (28% vs. 19%, P<0.001). After adjusting confounders, the excess risk of the previous hospitalization group relative to the de novo hospitalization group for all-cause death remained significant (HR, 1.28; 95% CI: 1.10–1.50, P=0.001). The excess risk was significant in patients without advanced age, anemia, or renal failure, but not significant in patients with these comorbidities, with significant interaction. Increase in the number of hospitalizations was associated with an increased risk for mortality.

Conclusions:In a contemporary ADHF cohort in Japan, repeated hospitalization was associated with an increasing, higher risk for 1-year mortality.

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© 2019 THE JAPANESE CIRCULATION SOCIETY

This article is licensed under a Creative Commons [Attribution-NonCommercial-NoDerivatives 4.0 International] license.
https://creativecommons.org/licenses/by-nc-nd/4.0/
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