The impact of chronic endurance and resistance training upon the right ventricular phenotype in male athletes
Author
Utomi, Victor
Oxborough, David
Ashely, Euan
Lord, Rachel
Fletcher, Sarah
Stembridge, Mike
Shave, Rob
Hoffman, Martin
Whyte, Greg
Somauroo, John
Sharma, Sanjay
George, Keith
Date
2015Acceptance date
2015-02-26
Type
Article
Publisher
Springer
ISSN
1439-6319
1439-6327 (online)
Metadata
Show full item recordAbstract
OBJECTIVES:
The traditional view of differential left ventricular adaptation to training type has been questioned. Right ventricular (RV) data in athletes are emerging but whether training type mediates this is not clear. The primary aim of this study was to evaluate the RV phenotype in endurance- vs. resistance-trained male athletes. Secondary aims included comparison of RV function in all groups using myocardial speckle tracking, and the impact of allometric scaling on RV data interpretation.
METHODS:
A prospective cross-sectional design assessed RV structure and function in 19 endurance-trained (ET), 21 resistance-trained (RT) and 21 sedentary control subjects (CT). Standard 2D tissue Doppler imaging and speckle tracking echocardiography assessed RV structure and function. Indexing of RV structural parameters to body surface area (BSA) was undertaken using allometric scaling.
RESULTS:
A higher absolute RV diastolic area was observed in ET (mean ± SD: 27 ± 4 cm(2)) compared to CT (22 ± 4 cm(2); P < 0.05) that was maintained after scaling. Whilst absolute RV longitudinal dimension was greater in ET (88 ± 9 mm) than CT (81 ± 10 mm; P < 0.05), this difference was removed after scaling. Wall thickness was not different between ET and RT and there were no between group differences in global or regional RV function.
CONCLUSION:
We present some evidence of RV adaptation to chronic ET in male athletes but limited structural characteristics of an athletic heart were observed in RT. Global and regional RV functions were comparable between groups. Allometric scaling altered data interpretation in some variables.
Journal/conference proceeding
European Journal of Applied Physiology;
Citation
Utomi, V., Oxborough, D., Ashley, E., Lord, R., Fletcher, S., Stembridge, M., Shave, R., Hoffman, M.D., Whyte, G., Somauroo, J., Sharma, S., George, K. (2015) 'Utomi, V., Oxborough, D., Ashley, E., Lord, R., Fletcher, S., Stembridge, M., Shave, R., Hoffman, M.D., Whyte, G., Somauroo, J. and Sharma, S., 2015. The impact of chronic endurance and resistance training upon the right ventricular phenotype in male athletes', European Journal of Applied Physiology, 115(8), pp.1673-1682.
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