Key result
Long-term athletic training is linked to more frequent and severe ECG changes like hypertrophy and bradycardia.
Why the study?
The study aimed to identify changes in the functional state of the cardiovascular system and their relationships in skilled athletes in connection with long training.
Cross-Sectional (n=53)
Long-term training in athletes is associated with increased frequency and severity of ECG abnormalities, myocardial hypertrophy, and bradycardia, suggesting a need for routine echocardiography during medical monitoring.
May support enhanced ECG surveillance in elite athletes; leaves open causality and need for longitudinal outcome studies.
The evaluation of the peculiarities of changes in the indicators of the functioning of the cardiovascular system and their relationships in 53 qualified athletes at the stages of long- term training was carried out. The aim of the study was to identify changes in the functional state of the cardiovascular system and the peculiarities of their relationship in skilled athletes in connection with long training. Electrocardiographic and statistical methods were used. The ECG results of the study of athletes revealed signs of impaired automaticity, excitation, conductivity, mainly by the type of blockade of the right leg of the His bundle, contractility. Their frequency and severity increased due to the duration of training. Similar changes were found for a combination of changes. Of particular note is the detection of myocardial hypertrophy and bradycardia, the number of which and their combination also increases due to the duration of training. The results dictate the need to include mandatory echocardiography, and in the case of bradycardia - atropine tests, in the list of studies during medical monitoring
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Котко et al. (2021) conducted a cross-sectional in Healthy qualified athletes (n=53). Long-term athletic training vs. Athletes with specialized basic training (lower qualification) was evaluated on Electrocardiographic changes (including myocardial hypertrophy, bradycardia, and conduction abnormalities). Long-term athletic training in qualified track and field athletes was associated with an increased frequency and severity of electrocardiographic changes, including myocardial hypertrophy and bradycardia.
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