Limeil Brevannes

This research aims to find out how common cardiac amyloidosis is in older adults aged 80 years and above who have been hospitalized for heart failure and have thickening of the heart muscle (left ventricular hypertrophy). Patients will be recruited from 31 geriatric or cardiology centers over 24 months. Each participant will have a baseline visit where medical history, clinical data, frailty status, genetic testing, and heart ultrasound data will be collected. Bone scans using 99mTc-DPD or 99mTc-HMDP will be done during or after hospitalization to check for amyloidosis in the heart muscle. After the initial visit, participants will receive follow-up phone calls every 3 months for 12 months to track hospitalizations, nursing home admissions, and death. The main measure is the number of patients diagnosed with cardiac amyloidosis based on bone scintigraphy at the start of the study.