The observatory consists of a row of data collection on a population composed of all patients with heart failure cared for in centers participating in the national education program for patients (named I-CARE) in the form of two groups. Patients who are undergoing a program of therapeutic education track are listed and included in the group of patients educated. Patients who receive no education or only a minimal element for any reason whatsoever are also listed and included in the group of patients who are not educated.