Real world heart failure epidemiology and outcome: A population-based analysis of 88,195 patients

Núria Farré, Emili Vela, Montse Clèries, Montse Bustins, Miguel Cainzos-Achirica, Cristina Enjuanes, Pedro Moliner, Sonia Ruiz, José María Verdú-Rotellar, Josep Comín-Colet, Núria Farré, Emili Vela, Montse Clèries, Montse Bustins, Miguel Cainzos-Achirica, Cristina Enjuanes, Pedro Moliner, Sonia Ruiz, José María Verdú-Rotellar, Josep Comín-Colet

Abstract

Background: Heart failure (HF) is frequent and its prevalence is increasing. We aimed to evaluate the epidemiologic features of HF patients, the 1-year follow-up outcomes and the independent predictors of those outcomes at a population level.

Methods and results: Population-based longitudinal study including all prevalent HF cases in Catalonia (Spain) on December 31st, 2012. Patients were divided in 3 groups: patients without a previous HF hospitalization, patients with a remote (>1 year) HF hospitalization and patients with a recent (<1 year) HF admission. We analyzed 1year all-cause and HF hospitalizations, and all-cause mortality. Logistic regression was used to identify the independent predictors of each of those outcomes. A total of 88,195 patients were included. Mean age was 77 years, 55% were women. Comorbidities were frequent. Fourteen percent of patients had never been hospitalized, 71% had a remote HF hospitalization and 15% a recent hospitalization. At 1-year follow-up, all-cause and HF hospitalization were 53% and 8.8%, respectively. One-year all-cause mortality rate was 14%, and was higher in patients with a recent HF hospitalization (24%). The presence of diabetes mellitus, atrial fibrillation or chronic kidney disease was independently associated with all-cause and HF hospitalization and all-cause mortality. Hospital admissions and emergency department visits the previous year were also found to be independently associated with the three study outcomes.

Conclusions: Outcomes are different depending on the HF population studied. Some comorbidity, an all-cause hospitalization or emergency department visit the previous year were associated with a worse outcome.

Conflict of interest statement

Competing Interests: The authors have declared that no competing interests exist.

Figures

Fig 1. Distribution of heart failure according…
Fig 1. Distribution of heart failure according to age and gender.

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