[Microvolt T-Wave Alternans in Adolescent Elite Athletes].
V V Komolyatova1, L M Makarov1, N N Fedina1
1Center for Syncope and Arrhythmias in Children and Adolescents of Federal Medico-Biology Agency of Russia, Moskvorechie str. 20, 115409 Moscow, Russia.
Kardiologiia
|March 16, 2017
Summary
Microvolt T-wave alternans (MTA) provides insights into heart electrical stability. This study determined normal MTA ranges during exercise tests in young elite athletes, crucial for understanding cardiac health in this population.
Area of Science:
- Cardiology
- Sports Medicine
- Electrophysiology
Context:
- Microvolt T-wave alternans (MTA) is a recognized indicator of myocardial electrical instability.
- Assessing cardiac electrical properties in athletes is vital for performance and health monitoring.
Purpose:
- To establish the normal range of MTA parameters during bicycle exercise testing (ET) in adolescent elite athletes.
- To provide reference values for MTA in a young, high-performing athletic cohort.
Summary:
- The study analyzed MTA parameters in 500 adolescent elite athletes (ages 9-18) using bicycle ET.
- ECG registration was performed in clinical and orthostatic positions with automated analysis during exercise.
- Data were collected from athletes across 27 different sports.
Impact:
- Establishes normative MTA values for adolescent elite athletes during exercise.
- Aids in the interpretation of MTA results for cardiac risk assessment in young athletes.
- Contributes to the understanding of cardiac electrical behavior under physiological stress in elite youth sports.
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