Abstract
ObjectiveTo estimate the incidence of acute heart failure (AHF) diagnosis in elderly patients in emergency departments (ED), diagnostic confirmation in hospitalized patients, and short-term adverse events. MethodsAll patients aged ≥65 years attended in 52 Spanish EDs during 1 week were included and those diagnosed with AHF were selected. In hospitalized patients, those diagnosed with AHF at discharge were collected. As adverse events, in-hospital and 30-day mortality, and combined adverse event (death or hospitalization) at 30 days post-discharge were collected. Adjusted odds ratios (OR) for association of demographic variables, baseline status and constants at ED arrival with mortality and 30-day post-discharge adverse event were calculated. ResultsWe included 1,155 patients with AHF (annual incidence: 26.5 per 1000 inhabitants ≥65 years, 95% CI: 25.0–28.1). In 86% the diagnosis of AHF was known at discharge. Overall 30-day mortality was 10.7% and in-hospital mortality was 7.9%, and the combined event in 15.6%. In-hospital and 30-day mortality was associated with arterial hypotension (adjusted OR: 74.0, 95% CI: 5.39–1015. and 42.6, 3.74–485, respectively and hypoxemia (2.14, 1.27–3.61; and 1.87, 1.19–2.93) on arrival at the ED and requiring assistance with ambulation (2.24, 1.04–4.83; and 2.48, 1.27–4.86) and age (per 10-year increment; 1.54, 1.04–2.29; and 1.60, 1.13–2.28). The combined post-discharge adverse event was not associated with any characteristic. ConclusionsAHF is a frequent diagnosis in elderly patients consulting in the ED. The functional impairment, age, hypotension and hypoxemia are the factors most associated with mortality.
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