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Am J Cardiol ; 152: 88-93, 2021 08 01.
Artigo em Inglês | MEDLINE | ID: mdl-34147209

RESUMO

Data from previous heart failure (HF) trials suggest that patients with mild symptoms (NYHA II) actually have a poor clinical outcome. However, these studies did not assess clinical stability and rarely included patients in NYHA I. We sought to determine the incidence of short-term clinical progression in supposedly stable HF patients in NYHA I. In addition, we aimed to investigate the predictive value of widely available electrocardiographic and echocardiographic parameters for short-term disease progression. This is a retrospective study including 153 consecutive patients with HF with reduced and mid-range ejection fraction (HFrEF: LVEF<40%; HFmrEF: LVEF 40-49%) in NYHA I with no history of decompensation within the previous 6 months. All patients underwent comprehensive baseline echocardiographic and electrocardiographic assessment. The primary endpoint was the composite of cardiovascular death, hospitalization and need for intensification of HF treatment within a 12 month follow-up period. The cumulative incidence of HF progression was 17.8%, with a median time to event of 193 days. Death and hospitalization due to HF accounted for three-quarters of the events. QRS duration ≥120ms and mitral regurgitation grade >1 showed to be significant predictors of HF progression (HR: 8.92, p<0.001; and HR: 4.10, p<0.001, respectively). Patients without these risk factors had a low incidence of clinical events (3.8%). In conclusion, almost one in five supposedly stable HF patients in NYHA I experience clinical progression in short-term follow-up. Simple electrocardiographic and echocardiographic predictors may be useful for risk stratification and could help to improve individual HF patient management and outcomes.


Assuntos
Doenças Cardiovasculares/mortalidade , Insuficiência Cardíaca/fisiopatologia , Hospitalização/estatística & dados numéricos , Insuficiência da Valva Mitral/epidemiologia , Fatores Etários , Idoso , Idoso de 80 Anos ou mais , Doenças Assintomáticas , Progressão da Doença , Ecocardiografia , Eletrocardiografia , Feminino , Insuficiência Cardíaca/diagnóstico por imagem , Humanos , Incidência , Masculino , Pessoa de Meia-Idade , Insuficiência da Valva Mitral/diagnóstico por imagem , Insuficiência da Valva Mitral/fisiopatologia , Modelos de Riscos Proporcionais , Fatores de Risco
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