Sarcopenia in heart failure with reduced ejection fraction.

To evaluate the prevalence of pre-sarcopenia and sarcopenia and their relationship with clinical variables, physical activity, quality of life, and diet in patients with heart failure with reduced left ventricular ejection fraction (HFrEF).We performed a cross-sectional study in patients with HFrEF and matched controls. Clinical, laboratory analysis, dual-emission X-ray densitometry, handgrip strength, and physical activity level questionnaire...