ELDERL-IE is a multicenter national prospective observational study.

The main objective is to describe geriatric characteristics (comorbidities, cognitive status, autonomy, nutritional status, balance and walking) in patients aged 75 years or older with infective endocarditis (IE).

The secondary objectives are to assess the impact of geriatric features on the medico - surgical care and on morbidity and mortality at 3 months after the end of the hospitalization, and to describe the initial clinical presentation and diagnostic modalities in the IE elderly.

Population monitoring:

Clinical, therapeutic, biological, microbiological, echocardiographic and geriatric data are collected. (M-2/3 before inclusion; D-15 before inclusion; D0; M3; vital status at 1 year)

Inclusion Criteria :

• all patients older than 75 years are eligible if they are considered and treated as a case of IE by physicians ensuring their medical care.
• the patient should be treated in one of the clinical sites participating at the study.
• the patient should benefit during initial hospitalization of a geriatric assessment, in addition to the usual clinical and therapeutic management of such patients.

Exclusion criteria :

• patients not fulfilling the criteria of definite or possible endocarditis according to Duke modified by Li diagnostic classification that will be applied after collection of all the data at the discharge of the patient.

All patients older than 75 years are eligible if they are considered and treated as a case of IE by physicians ensuring their medical care.