Optimizing support before and after Cardiac Resynchronization Therapy implantation in co-creation with patients with heart failure, informal caregivers and healthcare professionals.

Patients expected and hoped to have positive effects from CRT, but not all patients experienced improvement after CRT. To improve patients' physical activity, feelings of insecurity, symptom monitoring, and thoughtful response to symptoms, support must include providing information and support to increase their knowledge and discuss experiences and physical and mental concerns.