Sarcopenia in Older Patients Hospitalized for Acute Heart Failure.

Inclusion Criteria

• •Patients with HF-PEF (LVEF ≥50%), hospitalized for AHF, with signs of fluid overload and requiring intravenous diuretic treatment. The diagnosis of HF will be made in accordance with ESC-2021 guidelines based on the presence of typical signs and symptoms, elevated natriuretic peptides (BNP \>100 pg/mL or NTproBNP \>300 pg/mL), and evidence of underlying structural heart disease by transthoracic echocardiogram (performed during admission or within a period of 24 months prior to admission).
• •Age ≥ 80 years.
• •NYHA functional class II-IV.