Clinical Research Directory

Inclusion Criteria: * 1\. Age ≥ 60 years old and meet the above comprehensive aging assessment criteria (i.e., combined with at least one clinical phenotype of aging and abnormal blood aging markers on the basis of advanced age); 2. Acute myocardial infarction occurs for ≥ 3 months; 3. Meet the diagnostic criteria for AMI in accordance with the Fourth Edition General Definition of Myocardial Infarction; 4. The patient or their legal representative signs an informed consent form. Exclusion Criteria: * 1\. Newly diagnosed acute myocardial infarction, angina pectoris, stroke or transient ischemic attack within the past 3 months; 2. Serious life-threatening diseases (such as advanced malignant tumors, end-stage kidney disease/liver disease, severe infections) with an estimated lifespan of less than 1 year; 3. Severe cognitive impairment, mental illness, inability to cooperate in completing follow-up, aging assessment, and related examinations; 4. Unable to complete assessment items such as grip strength, walking speed, and 6-minute walk test due to non cardiac reasons such as physical disabilities and severe bone and joint diseases; 5. Failed to sign the informed consent form.