Identification of the Blood Microbiota in Patient Suffering From Myocardial Infraction

Inclusion Criteria: * Cases : patients who have had a myocardial infarction within one month to one year before the inclusion * Controls : patients without history of myocardial infarction, free of coronary disease in the view of one of the following tests performed within one year before the inclusion : Effort test Echocardiographic stress test Myocardial perfusion scintigraphy Coronarography with \>= 2 major cardiovascular risk factors: 1. Treated hypertension, 2. Treated dyslipidemia 3. Current smoking 4. Diabetes mellitus Exclusion Criteria: * Infectious disease within one week before the inclusion * Immunocompromised patients * Antibiotic treatment within one month before the inclusion * Chronic viral infection * Chronic inflammatory intestinal bowel disease * Renal failure (estimated glomerular filtration rate\< 50 ml/min//1.73 m2) * Pregnancy