Key result
Participation in competitive amateur sports was associated with significantly higher left ventricular mass compared to sedentary controls, while maintaining preserved diastolic function.
Why the study?
Does participation in competitive amateur sports cause physiological cardiac remodeling and hypertrophy in teenagers compared to sedentary controls?
Cross-Sectional (n=300)
Does participation in competitive amateur sports cause physiological cardiac remodeling and hypertrophy in teenagers compared to sedentary controls?
p-value: p=0.05
Teenagers engaged in competitive sports exhibit physiological cardiac hypertrophy and remodeling with preserved diastolic function, which can be evaluated using echocardiography.
Higher LV mass in teen athletes may reflect physiological adaptation; leaves open causal and prognostic implications.
Aims "Athlete's heart" is a cardiac adaptation to long-term intensive training. The aims of this study were to show the prevalence of left ventricular hypertrophy in teenagers who participate in sports, to define the different types of cardiac re-modelling, and to differentiate between physiological and pathological hypertrophy. METHOD: Echocardiographic measurements were obtained by M-mode, two dimensional, and Doppler techniques of participants from sports and control groups. RESULTS: The echocardiographic examinations included 100 healthy teenagers taking part in dynamic sports such as football and basketball and 100 healthy teenagers taking part in static sports such as karate and judo. The control group (n=100) included healthy, sedentary teenagers. Sports participants had significantly higher left ventricular mass when compared with the control group, (p0.05). Respondents from both groups had E/A ratios (transmitral flow velocity ratio)>1, preserved diastolic function, and statistically they did not differ from the control group. CONCLUSION: Echocardiographic parameters show that physiological hypertrophy and cardiac re-modelling are present in teenagers who play sports. Unexpectedly, the prevalence of concentric and eccentric types of re-modelling is equally possible in the group of static sports participants.
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Šulović et al. (2016) conducted a cross-sectional in Athlete's heart (n=300). Competitive amateur sports (dynamic or static) vs. Sedentary lifestyle was evaluated on Left ventricular mass (p=0.05). Participation in competitive amateur sports was associated with significantly higher left ventricular mass compared to sedentary controls, while maintaining preserved diastolic function.
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