Abstract
The right ventricle (RV) responds differently to prolonged exhaustive and competitive exercise, usually with enlargement, than does the left ventricle. Evidence has accumulated indicating that regular intense endurance exercise and sporting can promote electrical and structural remodeling of the RV, leading to fibrosis. This “exercise-induced cardiomyopathy” mimics features observed in arrhythmogenic right ventricular dysplasia/cardiomyopathy (ARVD/C). In addition, exercise-induced impairment in atrial function (atrial remodeling), mostly in the right atrium related to RV systolic dysfunction, has also been suggested which favors the development of atrial arrhythmias. It should be noted that these adverse effects seem to be limited to extreme intensity levels of exercise and not related to recreational or moderate exercise levels. These deleterious effects of heavy endurance exercise on the right heart can be studied by several methods, including standard and newer echocardiographic techniques, stress testing methods, standard ECG, cardiac magnetic resonance imaging, biomarkers, electroanatomical mapping and/or an electrophysiology study, and in specific cases by genetic testing. All these issues are reviewed in this chapter.
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Abbreviations
- AF:
-
Atrial fibrillation
- ARVD/C:
-
Arrhythmogenic right ventricular dysplasia/cardiomyopathy
- CMR:
-
Cardiac magnetic resonance imaging
- ECG:
-
Electrocardiogram
- RBBB:
-
Right bundle branch block
- RV:
-
Right ventric-le (-ular)
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Manolis, A.S., Manolis, A.A. (2018). Effect of Endurance Sport on the Right Heart. In: Dumitrescu, S., Ţintoiu, I., Underwood, M. (eds) Right Heart Pathology. Springer, Cham. https://doi.org/10.1007/978-3-319-73764-5_6
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DOI: https://doi.org/10.1007/978-3-319-73764-5_6
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