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Early assessment of atherosclerosis in children with type 1 diabetes

Korean Journal of Pediatrics 2008;51(7):747-753.
Published online July 15, 2008.
Early assessment of atherosclerosis in children with type 1 diabetes
So-Yoon Park, Seok Jeong Kang, Kwang Hae Choi, Yong Hoon Park, Young Hwan Lee
Department of Pediatrics, College of Medicine, Yeungnam University, Daegu, Korea
제1형 당뇨병 소아 환자에서 동맥경화증의 조기 평가
박소윤, 강석정, 최광해, 박용훈, 이영환
영남대학교 의과대학 소아과학교실
Young Hwan Lee, Email: yhlee@med.yu.ac.kr
: Diabetes mellitus is a major risk factor for the development of cardiovascular disease. Early atherosclerotic changes in the arterial walls begin in adolescence and the risk factors are associated with its development. To assess the usefulness of carotid artery intima-media thickness (IMT), as a marker of early atherosclerosis, we evaluated the structural and functional characteristics of the carotid artery and investigated their relationshop with the metabolic and anthropometric parameters in children and adolescents with type 1 diabetes.
: For this study, we enrolled 23 children with type 1 diabet and 19 age and sex-equivalent healthy children as the control group. Metabolic and anthropometric parameters such as serum lipid levels, plasma glycated hemoglobin (HbA1c), and body mass index were measured after a 12-h fasting period. The carotid artery IMT was measured by a high- quality ultrasound system, and compliance, and distensibility were calculated by an equation.
: There were no significant differences between the 2 groups with regard to the sex ratio, age, blood pressure and serum cholesterol levels' however, HbA1c levels were significantly higher in the diabetic children (8.5?.8 vs. 5.0?.2, P= 0.001). Ultrasonographic findings showed that compared with the control group, the diabetic group had higher IMT (0.45?.06 mm vs. 0.41?.04 mm, P=0.04), but there were no significant differences in compliance and distensibility. The HbA1c (P=0.002) and high-density lipoprotein cholesterol (P=0.026) levels were independent IMT predictors in the diabetic group.
: Here, the carotid artery IMT was higher in the diabetic group, and it is correlated with atherosclerotic risk factor. Thus, carotid IMT could be evaluated as a marker of early atherosclerosis in diabetic children.
Key Words: Type 1 diabetes mellitus, Atherosclerosis, Intima-media thickness

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