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Updated: Jun 28, 2025
A Novel Digital Platform for a Monitored Home-based Cardiac Rehabilitation Program
Published on: April 19, 2019
Comprehensive Cardiac Rehabilitation Following Acute Myocardial Infarction Improves Clinical Outcomes Regardless of
Takashi Hiruma1,2, Atsuko Nakayama1,2, Junko Sakamoto3
1Department of Cardiology, Sakakibara Heart Institute.
Insights
Comprehensive cardiac rehabilitation (CR) significantly reduces major adverse cardiovascular events (MACE) in acute myocardial infarction (AMI) patients, even those with initially reduced exercise capacity. Active encouragement of CR is recommended for all AMI survivors.
Area of Science:
- Cardiology
- Exercise Physiology
- Public Health
Background:
- Reduced exercise capacity is a key predictor of poor outcomes post-acute myocardial infarction (AMI).
- The effectiveness of comprehensive cardiac rehabilitation (CR) in AMI patients with diminished exercise capacity remains under-evaluated.
- This study investigates the impact of CR on major adverse cardiovascular events (MACE) in AMI survivors with varying exercise capacities.
Purpose of the Study:
- To determine the efficacy of comprehensive cardiac rehabilitation (CR) in reducing major adverse cardiovascular events (MACE) in patients following acute myocardial infarction (AMI).
- To assess whether CR benefits are consistent across AMI patient groups with initially reduced versus preserved exercise capacity.
Main Methods:
- A cohort study of 610 acute myocardial infarction (AMI) patients post-percutaneous coronary intervention.
- Comparison of major adverse cardiovascular events (MACE) between a comprehensive outpatient cardiac rehabilitation (CR) group (n=430) and a non-CR group (n=180) over a mean follow-up of 6.1 years.
- Analysis of CR group subgroups based on initial exercise capacity (% predicted peak V̇O2 <80% vs. ≥80%).
Main Results:
- The comprehensive CR group showed a significantly lower incidence of MACE compared to the non-CR group (log-rank P=0.002).
- Multivariable analysis identified participation in comprehensive CR as independently associated with reduced MACE.
- Both reduced and preserved exercise capacity subgroups demonstrated comparable MACE incidence and similar improvements in physical parameters after comprehensive CR.
Conclusions:
- Comprehensive cardiac rehabilitation (CR) effectively lowers major adverse cardiovascular events (MACE) in acute myocardial infarction (AMI) patients, irrespective of their baseline exercise capacity.
- Cardiologists should strongly advocate for comprehensive CR participation among all AMI survivors, particularly those with low exercise capacity.
Background:
Reduced exercise capacity is a prognostic indicator of adverse outcomes in patients with acute myocardial infarction (AMI). However, few studies have evaluated the effectiveness of comprehensive cardiac rehabilitation (CR) in this population. This study aimed to clarify the efficacy of comprehensive CR in patients with AMI and reduced exercise capacity.
Methods And Results:
This cohort study included 610 patients with AMI who underwent percutaneous coronary intervention. Major adverse cardiovascular events (MACE) were compared between patients who participated in comprehensive outpatient CR for 150 days (CR group; n=430) and those who did not (non-CR group; n=180). During the mean (±SD) follow-up period of 6.1±4.0 years, the CR group exhibited a lower incidence of MACE (log-rank P=0.002). Multivariable analysis revealed that Killip classification, diuretics at discharge, and participation in comprehensive CR were independently associated with MACE. The CR group was further divided into 2 groups, namely reduced exercise capacity (% predicted peak V̇O2<80%; n=241) and preserved exercise capacity (≥80%; n=147), based on the initial cardiopulmonary exercise test. Despite distinct exercise capacities, the incidence of MACE was comparable and physical parameters improved similarly after comprehensive CR in both groups.
Conclusions:
Comprehensive CR in patients with AMI effectively reduced the incidence of MACE regardless of initial exercise capacity. Cardiologists should actively encourage patients with low exercise capacity to participate in comprehensive CR.
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