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In-hospital mortality and readmissions for heart failure in Spain. A study of the index episodes and 30 days and 1-year cardiac readmissions.

Research paper by Paula P Martínez Santos, Ramón R Bover Freire, Alberto A Esteban Fernández, José Luis JL Bernal Sobrino, Cristina C Fernández Pérez, Francisco Javier FJ Elola Somoza, Carlos C Macaya Miguel, Isidre I Vilacosta

Indexed on: 11 Jun '19Published on: 02 Apr '19Published in: Revista Española de Cardiología (English version)



Abstract

Heart failure (HF) is a major health care problem in Spain. Epidemiological data from hospitalized patients are scarce and the association between hospital characteristics and patient outcomes is largely unknown. The aim of this study was to identify the factors associated with in-hospital mortality and readmissions and to analyze the relationship between hospital characteristics and outcomes. A retrospective analysis of discharges with HF as the principal diagnosis at hospitals of the Spanish National Health System in 2012 was performed using the Minimum Basic Data Set. We calculated risk-standardized mortality rates (RSMR) at the index episode and risk-standardized cardiac diseases readmissions rates (RSRR) and in-hospital mortality at 30 days and 1 year after discharge by using a multivariate mixed model. We included 77 652 HF patients. Mean age was 79.2±9.9 years and 55.3% were women. In-hospital mortality during the index episode was 9.2%, rising to 14.5% throughout the year of follow-up. The 1-year cardiovascular readmissions rate was 32.6%. RSMR were lower among patients discharged from high-volume hospitals (> 340 HF discharges) (in-hospital RSMR, 10.3±5.6%; 8.6±2.2%); P <.001). High-volume hospitals had higher 1-year RSRR (32.3±3.7%; 33.7±4.5%; P=.006). The availability of a cardiology department at the hospital was associated with better outcomes (in-hospital RSMR, 9.9±3.8%; 9.2±2.4%; P <.001). High-volume hospitals and the availability of a cardiology department were associated with lower in-hospital mortality. Copyright © 2019 Sociedad Española de Cardiología. Published by Elsevier España, S.L.U. All rights reserved.

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