Fração de Ejeção do Ventrículo Esquerdo Aumentada, Diminuída ou Estável ao Longo do Tempo em uma Série de 626 Pacientes com Insuficiência Cardíaca que Receberam Tratamento Médico

Ejection fraction (EF) has been used in phenotype analyses and to make treatment decisions regarding heart failure (HF). Thus, EF has become a fundamental part of daily clinical practice.This study aims to investigate the characteristics, predictors, and outcomes associated with EF changes in patients with different types of severe HF.A total of 626 severe HF patients with New York Heart Association (NYHA) class III-IV were enrolled in this...