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Clinical manifestations of the ‘athlete's heart’ in prepubertal male runners

Rowland, T.W., Unnithan, V.B., MacFarlane, N.G., Gibson, N.G., and Paton, J.Y. (1994) Clinical manifestations of the ‘athlete's heart’ in prepubertal male runners. International Journal of Sports Medicine, 15 (8). pp. 515-519. ISSN 0172-4622 (doi:10.1055/s-2007-1021097)

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Publisher's URL: http://dx.doi.org/10.1055/s-2007-1021097

Abstract

Cardiac findings in adult endurance athletes are well characterized, but data regarding the "athlete's heart" in children are limited. This study evaluated cardiovascular features of 10 male prepubertal distance runners ages 11-13 years compared to 18 physically active but untrained boys. Mean VO2max values on treadmill testing for the two groups were 61.2 (3.2) and 51.1 (4.3) ml.kg-1.min-1, respectively. No significant differences in the frequency of carotid bruits, cervical venous hums, heart murmurs, or third and fourth heart sounds were observed between the groups. Mean resting heart rate was 71 (9) bpm for the runners and 73 (8) for the controls (p > 0.05). No significant differences were seen in EKG intervals, axes, or precordial voltages between runners and controls, and echocardiographic chamber sizes, wall thicknesses, and mass indexed to body surface area were also similar (p > 0.05). This study failed to identify clinical features of the "athlete's heart" in competitive child endurance runners compared to non-trained subjects.

Item Type:Article
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Unnithan, Prof Viswanath and Paton, Dr James and Gibson, Dr Neil
Authors: Rowland, T.W., Unnithan, V.B., MacFarlane, N.G., Gibson, N.G., and Paton, J.Y.
College/School:College of Medical Veterinary and Life Sciences > School of Medicine
College of Medical Veterinary and Life Sciences > School of Medicine > Clinical Specialities
Journal Name:International Journal of Sports Medicine
Journal Abbr.:Int J Sports Med.
Publisher:Georg Thieme Verlag
ISSN:0172-4622
ISSN (Online):1439-3964
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