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

This study is testing whether a structured nurse-led education program for patients with chronic heart failure and their caregivers can improve how well they manage the disease at home, reduce hospital readmissions, and improve quality of life. **You may be eligible if...** - You are 18 or older and have been diagnosed with heart failure for at least 6 months - You were recently hospitalized due to heart failure - You and your caregiver can communicate in Greek - You have an informal caregiver (family member, friend) who has been helping care for you for at least 6 months - You are taking heart failure medications as recommended by ESC guidelines **You may NOT be eligible if...** - You or your caregiver have a psychiatric illness, dementia, or Alzheimer's disease - You have a recent history of alcohol or drug abuse - You do not have an informal caregiver Talk to your doctor to see if this trial is right for you.