Key result
Endurance and high-intensity resistance training linked to higher QT dispersion and blood pressure versus controls.
Observational
May warrant QT monitoring in athletes; leaves open causal effects on stiffness and arrhythmia risk.
The lack of a difference in pulse wave velocity and augmentation index (AIx) values between the athletes and the control group suggests that athletes do not bear additional risks regarding arterial stiffness. However, increased systolic blood pressure, pulse pressure, and central pulse pressure, among the hemodynamic parameters, indicate potential variations in vascular wall compliance and hemodynamic responses in the cardiovascular system. The increase in QT dispersion suggests that athletes may exhibit a heterogeneous repolarization process and an elevated risk of ventricular arrhythmias compared to the general population.
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İşler et al. (2025) conducted an observational in Healthy athletes. Endurance training and high-intensity resistance training vs. Control group was evaluated on Pulse wave velocity, augmentation index, and QT dispersion. Endurance and high-intensity resistance training in athletes was associated with increased QT dispersion and blood pressure parameters compared to controls, with no difference in arterial stiffness.
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