Evaluation of Ventricular Repolarization Parameters in Obese and Extremely Obese Children
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https://doi.org/10.5281/zenodo.8402874Keywords:
Children, Electrocardiogram, Obesity, QTc dispersion, Ventricular repolarizationAbstract
Aim: Ventricular arrhythmias are one of the cardiovascular disorders seen in patients with obesity. Electrocardiography (ECG) is a simple and widely used method that enables the evaluation of ventricular depolarization parameters, which are the determinants of ventricular arrhythmias. In this study, we aimed to determine the effect of obesity on ventricular repolarization parameters in children with obesity and compare children who were obese and severely obese.
Material and Methods: In the study, 86 children with obesity and 84 healthy normal-weight children aged 8-18 years were evaluated. Children with obesity were divided into two groups: body mass index (BMI) <35 kg/m2 (obese) were as group 1 and ≥ 35 kg/m2 (severely obese) were as group 2. QT interval, QTc interval, QT dispersion, QTc dispersion, Tp-e interval, Tp-e / QT, and Tp -e / QTc parameters on ECG were compared between groups.
Results: It was determined that the QT dispersion values of the obese group were higher than the control group; however, no significant difference was found in the parameters of QTc interval, QTc dispersion, Tp-e interval, Tp-e / QT, and Tp-e / QTc between the obese group and control group. When children with severely obesity were compared with children with obesity, no significant difference was found between the BMI groups in terms of ventricular parameters.
Conclusions: In our study, we found no significant changes in ECG parameters, which are considered to be predictors of ventricular arrhythmia, except for QT dispersion in children with obesity. Similarly, found no significant difference between children with obesity and severely obesity. Therefore, ıt could be thought pathological phenomena seen on ECGs in children with obesity still need a comprehensive examination.
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