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Updated: Aug 24, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study
Published on: February 2, 2017
Overweight in children is associated with arterial endothelial dysfunction and intima-media thickening
1Department of Medicine and Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong. kamsangwoo@cuhk.edu.hk
Insights
Mild-to-moderate obesity in children is linked to early signs of arterial disease. Overweight children show impaired arterial endothelial function and increased carotid intima-media thickness, indicating potential atherosclerosis risks.
Area of Science:
- Pediatric Cardiology
- Vascular Biology
- Public Health Nutrition
Background:
- Childhood obesity is a growing concern with potential long-term cardiovascular implications.
- Early detection of atherosclerosis markers in children is crucial for timely intervention.
- Arterial endothelial function and carotid intima-media thickness are recognized as early indicators of vascular disease.
Purpose of the Study:
- To investigate arterial endothelial function and carotid intima-media thickness (IMT) in overweight children compared to normal-weight children.
- To identify early markers of atherosclerosis in pediatric obesity.
- To assess the relationship between overweight/obesity and vascular health in children.
Main Methods:
- A case-control study comparing 36 overweight children (BMI>23) with 36 age- and gender-matched nonobese healthy children (BMI<21).
- Key measurements included body mass index (BMI), arterial endothelial function (endothelium-dependent dilation), and carotid artery intima-media thickness (IMT).
- Secondary parameters included body fat content, waist-hip ratio (WHR), blood pressure, blood lipids, insulin, and glucose levels.
Main Results:
- Overweight children exhibited significantly impaired arterial endothelial function (6.6% vs 9.7%) and increased carotid IMT (0.49 mm vs 0.45 mm) compared to controls.
- Higher BMI, body fat, WHR, fasting insulin, and triglyceride levels were observed in the overweight group.
- The degree of endothelial dysfunction correlated with BMI, even after adjusting for other factors.
Conclusions:
- Mild-to-moderate obesity in children is independently associated with abnormal arterial function and structure.
- These findings highlight the presence of early atherosclerotic changes in overweight children.
- Early identification and management of childhood obesity are essential to prevent long-term cardiovascular complications.
Objective:
We sought to study arterial endothelial function and carotid intima-media thickness (IMT), both early markers of atherosclerosis, in overweight compared to normal children.
Design:
Case-control comparison.
Subjects:
A total of 36 asymptomatic overweight children (body mass index (BMI)>23; mean 25+/-3) aged 9-12 y and 36 age- and gender-matched nonobese healthy children (BMI<21) from a school community.
Measurements:
The key parameters were: BMI, arterial endothelial function (ultrasound-derived endothelium-dependent dilation) and carotid artery IMT. The secondary parameters measured included body fat content, waist-hip ratio (WHR), blood pressures, blood lipids, insulin and glucose.
Results:
The two groups were well matched for blood pressures, cholesterol and glucose levels, but BMI (P<0.0001), body fat (P=0.001), WHR (P<0.05), fasting blood insulin (P=0.001) and triglyceride levels (P<0.05) were higher in obese children. Overweight was associated with impaired arterial endothelial function (6.6+/-2.3 vs 9.7+/-3.0%, P<0.0001) and increased carotid IMT (0.49+/-0.04 mm vs 0.45+/-0.04 mm, P=0.006). The degree of endothelial dysfunction correlated with BMI (P<0.003) on multivariate analysis.
Conclusion:
Obesity, even of mild-to-moderate degree, is independently associated with abnormal arterial function and structure in otherwise healthy young children.
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Atherosclerosis I: Introduction
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Coronary Artery Disease II: Pathophysiology
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