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The role of a structured exercise training program on cardiac structure and function after acute myocardial
Ricardo Fontes-Carvalho1,2, Francisco Sampaio3, Madalena Teixeira4
1Cardiology Department, Gaia Hospital Centre, Rua Conceicao Fernandes, 4434-502 Vila, Nova Gaia, Portugal. fontes.carvalho@gmail.com.
Trials
|April 16, 2015
Summary
Structured exercise training may improve cardiac function after myocardial infarction. This trial investigates its effects on left ventricular systolic and diastolic function, offering new hope for patients with coronary artery disease.
Area of Science:
- Cardiology
- Exercise Physiology
- Cardiac Rehabilitation
Background:
- Exercise training improves functional capacity in coronary artery disease patients, but effects on left ventricular function are debated.
- Diastolic dysfunction significantly impacts outcomes post-myocardial infarction, with limited effective interventions.
- Animal and heart failure studies suggest exercise training positively influences diastolic function.
Purpose of the Study:
- To evaluate the impact of a structured exercise training program on resting left ventricular diastolic and systolic function.
- To assess changes in diastolic and systolic function in patients following an acute myocardial infarction.
Main Methods:
- Phase II, prospective, randomized, blinded-endpoint trial with at least 96 acute myocardial infarction patients.
- Randomization to an 8-week exercise program (endurance and resistance) or standard care.
- Comprehensive assessments including echocardiography, cardiopulmonary exercise testing, and biomarker analysis.
Main Results:
- Primary endpoint: change in lateral E' velocity post-exercise intervention.
- Secondary endpoints: other echocardiographic parameters, cardiac structure, biomarkers (hs-CRP, pro-BNP), and functional capacity.
- Analysis of anthropometric measurements and clinical evaluation.
Conclusions:
- Novel strategies are needed to enhance left ventricular diastolic function in post-myocardial infarction patients.
- This study is the first to examine structured exercise training's effects on diastolic and systolic function using advanced echocardiographic parameters in this population.
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