Medicina clinica | VOL. 159
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Hospitalization following an emergency-department visit for worsening heart failure: The role of left ventricular ejection fraction.

Publication Date Aug 26, 2022

Abstract

Patients with worsening heart failure (WHF) are frequently hospitalized. However, some of the patients with WHF are discharged from the emergency department without hospitalization. The factors influencing the decision of admission are heterogeneous and, in most cases, remain not well-defined. This study aimed to analyze whether left ventricular ejection fraction (LVEF) influences admission decisions following a visit to the emergency department for WHF. This is a retrospective analysis of 3168 patients discharged from a hospitalization for acute heart failure in a single-center in Spain. During follow-up, visits to the emergency department for WHF, including those hospitalized (WHF-readmissions) and episodes of WHF directly discharged without hospitalization in 24h (WHF-DDWH), were recorded. The association between the LVEF categories (<50% and ≥50%) and recurrent WHF-DDWH was evaluated by negative binomial regression. Estimates of risk were expressed as incidence rate ratios (IRR). The mean age (SD) of the study sample was 73.5 (11.2) years, and 1658 (52.3%) showed LVEF>50%. At a median (percentile 25% to percentile 75%) follow-up of 2.7 (1.0-5.8) years, 3341 episodes of WHF in 1439 patients were recorded. Of them, we registered 743 episodes of WHF-DDWH in 468 patients (22.2%). Compared to patients with LVEF<50%, those with LVEF≥50% exhibited an adjusted increased risk of recurrent WHF-DDWH (IRR: 1.36, CI 95%: 1.13-1.62, p=0.001). Following an acute heart failure admission, patients with LVEF≥50% showed an increased risk o...

Concepts

Worsening Heart Failure Left Ventricular Ejection Fraction Left Ventricular Ejection Fraction Categories Hospitalization For Acute Heart Failure Acute Heart Failure Admission Incidence Rate Ratios Heart Failure Negative Binomial Regression Estimates Of Risk Hospitalization For Heart Failure

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