Dynamic Echocardiographic Changes Induced by Exercise in Healthy, Young Individuals with Early Repolarization Pattern
Loránd Kocsis1, Zsuzsanna Pap2, István Adorján Szabó3
1Doctoral School of Medicine and Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 540142 Targu Mures, Romania.
Diagnostics (Basel, Switzerland)
|July 29, 2025
Summary
Early repolarization pattern (ERP) in healthy males doesn't cause heart abnormalities. However, exercise reveals distinct volumetric changes in ERP individuals, suggesting subtle hemodynamic adaptations.
Area of Science:
- Cardiology
- Exercise Physiology
- Electrophysiology
Background:
- Early repolarization pattern (ERP) on electrocardiography (ECG) is linked to ventricular arrhythmia risk.
- The influence of ERP on hemodynamic responses during exercise remains unclear.
Purpose of the Study:
- To assess exercise effects on echocardiographic parameters in individuals with and without ERP.
- To explore potential ERP influence on hemodynamic adaptation to physical stress.
Main Methods:
- Compared 25 young males with ERP (ERP+) and 25 without (ERP-) using transthoracic echocardiography.
- Echocardiography performed at rest and during early recovery after treadmill exercise.
- Analyzed conventional and strain-derived echocardiographic parameters for baseline and exercise-induced changes.
Main Results:
- Both groups showed similar cardiovascular fitness and responses to exercise.
- No significant structural or functional abnormalities were found at rest or during recovery.
- ERP+ individuals exhibited greater reductions in left ventricular end-diastolic and stroke volumes post-exercise.
Conclusions:
- Early repolarization pattern is not associated with structural cardiac issues or overt dysfunction in young males.
- Exercise-induced volumetric changes in ERP+ individuals suggest unique hemodynamic adaptations.
- Further research is needed to understand these subtle hemodynamic differences.
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