This retrospective (between April 2020 and December 2023) then prospective (between January 2024 and August 2026), non-interventional cohort study has as its main objective to evaluate the clinical and therapeutic characteristics of patients aged 75 and over hospitalized in geriatrics for heart failure and also to evaluate the clinical characteristics and triggering factor(s) of acute heart failure.

Multicenter study, including patients aged 75 and over, hospitalized in geriatrics and having suffered heart failure in the geriatric wards of 3 centers. The following elements will be collected:

• Demographic data
• History (comorbidities)
• Type of heart disease
• Frailty criteria
• Clinical signs of heart failure
• Geriatric syndromes (falls, cognitive disorders, (MMSE) confusion, malnutrition, loss of autonomy (ADL, IADL), bedsores)
• Biology available (CBC, ionogram, creatinine, NT pro BNP, BHC, troponin, TSH, HBA1C)
• ECG and echocardiography data
• Treatment on admission, during stay and on discharge
• Mode of discharge and length of stay
• Follow-up at 3, 6, 9 months and one year, through telephone calls with the patient, caregiver or attending physician. Questions will cover various aspects of health and quality of life, physical activity limitations, autonomy, symptoms, anxiety, depression, as well as neurocognitive status (using adapted questions).

Inclusion Criteria:

• Patients aged 75 and over Hospitalized in a geriatric ward with heart failure No oral opposition from patient

Exclusion Criteria:

• Patient under 75 years of age Patient not wishing to participate in the study Subject under guardianship/curatorship/supervision of justice

Patients aged 75 and over hospitalized in geriatrics for heart failure