Cardiac Rehabilitation Cuts Mortality but Reaches Only One in Four Eligible Patients

Cardiovascular disease remains the leading cause of death in the United States and a dominant driver of global mortality. Despite decades of evidence supporting cardiac rehabilitation as an effective secondary prevention strategy, it remains chronically underutilized — a gap with serious implications for healthy aging and longevity.

This StatPearls review chapter provides a comprehensive overview of cardiac rehabilitation: its indications, program structure, core components, and the barriers limiting its reach. The target population includes individuals with ischemic heart disease, congestive heart failure, and those recovering from myocardial infarction, coronary angioplasty, or coronary artery bypass grafting.

The standard program consists of 36 in-person sessions over 12 weeks at a certified rehabilitation center. Core components span physical exercise training, cardiovascular risk factor modification, nutritional counseling, weight and blood pressure management, lipid and diabetes control, tobacco cessation, and psychosocial support. Together, these elements aim to strengthen cardiac capacity, slow or reverse atherosclerosis, and improve patient confidence and quality of life.

Key findings underscore both the efficacy and the access crisis. The program demonstrably reduces hospitalizations and cardiovascular mortality, yet only one-fourth of eligible patients enroll. Disparities tied to gender, race, ethnicity, socioeconomic status, and geographic location compound the problem, and incomplete program adherence further erodes real-world impact.

For longevity-focused clinicians and patients, cardiac rehab represents one of the most evidence-backed, multimodal interventions available for extending healthspan after a cardiac event. Closing the enrollment gap — through telehealth expansion, policy reform, and targeted outreach — could yield substantial population-level gains in cardiovascular longevity.