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A Pulmonary Trunk Banding Model of Pressure Overload Induced Right Ventricular Hypertrophy and Failure
Published on: November 29, 2018
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Exercise and the right ventricle: a potential Achilles' heel
Andre La Gerche1,2,3, Dhrubo J Rakhit1,4, Guido Claessen2
1Sports Cardiology and Cardiac Magnetic Resonance Imaging Lab, Baker Heart and Diabetes Institute, 75 Commercial Road, Melbourne, Victoria 3004, Australia.
Cardiovascular Research
|September 29, 2017
Summary
Intense exercise can strain the right ventricle, potentially causing damage or mimicking heart conditions. Understanding these effects is crucial for diagnosing athletes with heart issues.
Area of Science:
- Cardiology
- Sports Medicine
- Physiology
Background:
- Exercise offers health benefits but intense training poses hemodynamic challenges.
- The right ventricle faces disproportionate afterload and wall stress during strenuous exercise.
- These stresses can lead to myocardial fatigue or damage with prolonged intense exercise.
Purpose of the Study:
- To review physiological factors causing right ventricular overload during exercise.
- To discuss long-term consequences of exercise-induced right ventricular stress.
- To explore diagnostic challenges and therapeutic interventions for exercise-related cardiac conditions.
Main Methods:
- Literature review focusing on exercise physiology and cardiac adaptation.
- Analysis of studies on 'athlete's heart' and right ventricular remodeling.
- Examination of diagnostic techniques and therapeutic strategies for exercise-induced cardiac dysfunction.
Main Results:
- Athlete's heart changes disproportionately affect right-sided chambers, mimicking pathologies.
- Exercise interaction with arrhythmogenic right ventricular cardiomyopathy (ARVC) can cause dysfunction and arrhythmias.
- Distinguishing exercise-induced changes from underlying conditions in athletes is challenging.
Conclusions:
- Right ventricular adaptation to exercise requires careful evaluation, especially in athletes.
- Genetic predisposition and extreme exercise can lead to adverse cardiac remodeling.
- Exercise restriction may be a therapeutic option for individuals predisposed to arrhythmogenic cardiomyopathy.
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