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ORIGINAL ARTICLE
Year : 2013  |  Volume : 40  |  Issue : 1  |  Page : 50-55

Effect of training on diastolic function of the heart in male volleyball players


1 Department of aPhysical Medicine, Rheumatology and Rehabilitation, Ain Shams University, Cairo, Egypt
2 Department of Cardiology, Ain Shams University, Cairo, Egypt

Correspondence Address:
Begad Mohamed Samy
Department of Physical Medicine, Faculty of Medicine, Ain Shams University, Abbasia, Cairo
Egypt
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Source of Support: None, Conflict of Interest: None


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Background Long-term athletic training is associated with cardiac changes including increased left ventricular cavity dimension and wall thickness; these changes have been described as 'athlete's heart'. Objectives The aim of this investigation was to study the ability of diastolic function measured by echocardiography to reflect changes in endurance as assessed by maximal oxygen consumption (VO2max) in response to combined strengthening and endurance training in male volleyball players. Materials and methods This study was conducted on 30 apparently healthy male volleyball players at the beginning of the training cycle. After routine history taking and a general examination, echocardiography was performed for all players, during which the cardiac structure was assessed and systolic and diastolic functions were measured. VO2max was also calculated by ergospirometry. A combined training program was designed for 12 weeks after which echocardiography and measurement of VO2max were repeated. Results We found that a combined training program leads to significant increase in cardiac wall thickness, diastolic function of the heart [mainly propagation velocity (Vp)], and VO2max. Further, we found that there is a close relationship between changes in VO2max and changes in all indices of diastolic function studied (Vp, E wave/A wave ratio, and deceleration time). Conclusion We concluded that diastolic function measured by echocardiography can reflect changes in endurance as previously assessed by VO2max only, in response to a combined strengthening and endurance training program. Moreover, Vp is a better indicator of diastolic function in athletes compared with E wave/A wave ratio and deceleration time. Also, echocardiographic parameters of cardiac hypertrophy increase in response to the combined training program.


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