Nurse-led Education on Patients With Chronic Heart Failure and Their Informal Caregivers

Inclusion Criteria: * Age ≥ 18 years * Patients recently hospitalized due to the disease * Patients and caregivers who are literate in Greek * Patients and caregivers who provide written informed consent for their participation in the study * Patients diagnosed with heart failure for at least 6 months * Caregivers who have been involved in the care of the patients for at least 6 months * Patients taking medication according to the guidelines of the European Society of Cardiology Exclusion Criteria: * History of psychiatric disease, recent history of alcohol or/and drug abuse, dementia, and Alzheimer\'s disease (for patients and caregivers) * Absence of an informal caregiver according to their statement