Kylie Karnebeek1,2, Supriya Thapar3, Maartje Willeboordse4, Onno C P van Schayck4, Anita C E Vreugdenhil1,5. 1. Centre for Overweight Adolescent and Children's Healthcare (COACH), Department of Paediatrics, Maastricht University Medical Centre, Maastricht, The Netherlands. 2. Department of Nutrition and Movement Sciences, School of Nutrition and Translational Research in Metabolism (NUTRIM), Maastricht University, Maastricht, The Netherlands. 3. School of Public Health, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, India. 4. Department of Family Medicine, CAPHRI, Maastricht University, Maastricht, The Netherlands. 5. School of Nutrition and Translational Research in Metabolism (NUTRIM), Maastricht University, Maastricht, The Netherlands.
Abstract
CONTEXT: Childhood obesity increases the risk of diseases as diabetes, cardiovascular disease and non-alcoholic fatty liver disease. OBJECTIVE: To evaluate the prevalence of comorbidities in school-age children with obesity and to compare its prevalence and the effect of a lifestyle intervention between children in primary and secondary school and between boys and girls. DESIGN: Cross-sectional analysis and lifestyle intervention. SETTING: Centre for Overweight Adolescent and Children's Healthcare. PATIENTS: Comorbidities were evaluated in 149 primary and 150 secondary school children with (morbid) obesity (162 girls). The effect of lifestyle intervention was studied in 82 primary and 75 secondary school children. INTERVENTION: One-year interdisciplinary lifestyle intervention. RESULTS: Insulin resistance (37%), impaired glucose tolerance (IGT) (3%), dyslipidemia (48%), hypertension (7%) and elevated liver transaminase levels (54%) were already common in primary school children. Glomerular hyperfiltration and insulin resistance were more prevalent in secondary school children. IGT was more prevalent in girls.The change in BMI z-score after intervention was greater in primary school children (primary vs. secondary: -0.25±0.32 vs. -0.11±0.47), even as the change in LDL cholesterol concentrations (primary vs. secondary: -0.30(-0.70;0.10) vs. -0.10(-0.40;0.30)) and systolic blood pressure z-score (primary vs. secondary: -0.32±1.27 vs. 0.24±1.3). The change in BMI z-score, but not in comorbidities, was greater in boys (boys vs. girls: -0.33±0.45 vs. -0.05±0.31). CONCLUSIONS: The presence of comorbidities is already evident in primary school children with obesity. The effect of a lifestyle intervention on these comorbidities is greater in primary compared to secondary school children, stressing the need for early interventions.
CONTEXT: Childhood obesity increases the risk of diseases as diabetes, cardiovascular disease and non-alcoholic fatty liver disease. OBJECTIVE: To evaluate the prevalence of comorbidities in school-age children with obesity and to compare its prevalence and the effect of a lifestyle intervention between children in primary and secondary school and between boys and girls. DESIGN: Cross-sectional analysis and lifestyle intervention. SETTING: Centre for Overweight Adolescent and Children's Healthcare. PATIENTS: Comorbidities were evaluated in 149 primary and 150 secondary school children with (morbid) obesity (162 girls). The effect of lifestyle intervention was studied in 82 primary and 75 secondary school children. INTERVENTION: One-year interdisciplinary lifestyle intervention. RESULTS: Insulin resistance (37%), impaired glucose tolerance (IGT) (3%), dyslipidemia (48%), hypertension (7%) and elevated liver transaminase levels (54%) were already common in primary school children. Glomerular hyperfiltration and insulin resistance were more prevalent in secondary school children. IGT was more prevalent in girls.The change in BMI z-score after intervention was greater in primary school children (primary vs. secondary: -0.25±0.32 vs. -0.11±0.47), even as the change in LDL cholesterol concentrations (primary vs. secondary: -0.30(-0.70;0.10) vs. -0.10(-0.40;0.30)) and systolic blood pressure z-score (primary vs. secondary: -0.32±1.27 vs. 0.24±1.3). The change in BMI z-score, but not in comorbidities, was greater in boys (boys vs. girls: -0.33±0.45 vs. -0.05±0.31). CONCLUSIONS: The presence of comorbidities is already evident in primary school children with obesity. The effect of a lifestyle intervention on these comorbidities is greater in primary compared to secondary school children, stressing the need for early interventions.
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