Body mass index, blood pressure and electrocardiogram for screening in healthy children at Pilar City, Buenos Aires, Argentina, 2012
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Universidad Industrial de Santander
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Introduction: obesity is frequent in argentinian children and arterial hypertension affects 2.4% of scholars. Objective: the objectivesof the present study are to evaluate the prevalence of obesity and hypertension and their association, and to analyze the ability ofelectrocardiograms to detect conditions in healthy children and adolescents who attended to request a medical certificate of fitness.Methods: 1030 children (47.9% females and 52.1% males) ranging from 1 to 18 years old who concurred for a check up between Janury andMarch 2012, were consecutively included. Their body mass index, blood pressure, weight, height, and electrocardiogram findings werecalculated and evaluated by a pediatrician and a cardiologist. Results: obesity was detected in 12.1% of males and 9.9% of females, andmalnutrition was found in 1.9% and 1.4, respectively. Overweight was more frequent in males, consistent across all age groups. Systolichypertension (adjusted to the 95th height percentile) was observed in 8.8% males and 8.6% females, more prevalent in children rangingfrom 4 to 11 years old. A significant association between hypertension and high body mass index was observed. The ECG assessmentsresulted in six patients with pauses, one patient with asymptomatic Wenchebach AV block, three patients with asymptomatic sinus arrest,and one patient with ventricular bigeminy. Five cases of Wolf-Parkinson-White syndrome were diagnosed, and 2.7% children had long QTcsegments. Conclusions: a high prevalence of hypertension was found, which was more frequent in obese children. The electrocardiogramanalysis resulted in patients with potentially high risk conditions. MÉD.UIS. 2016;29(3):49-53.Keywords: Risk. Cardiovascular System. Hypertension. Obesity. Body Mass Index. Electrocardiography.