Cardiac Rehabilitation and Frailty Physical Training Program in Elderly Patients After Open Heart Surgery

Inclusion Criteria: * Patient's agreement to participate in the study, * Age 65 years and older, * Patients admitted to cardiac rehabilitation after open heart surgery, * Patients with frailty (Edmonton frailty scale ≥4) * 6-minute walk distance (6-MWD) ≥150 meters and walking without mobility aid. Exclusion Criteria: * Patient's disagreement to participate in the study * Exercise-limiting comorbidities (primarily orthopedic and neurological conditions that would exclude individuals from participating in cardiac rehabilitation according to study protocol), cognitive, vision, linguistic deficits, chronic heart failure Class IV, anemia, wound healing disturbance or other various acute conditions that may limit active participation in physical therapy programs.