Vascular age is advanced in children with atherosclerosis-promoting risk factors

Joseph Le, Danna Zhang, Spencer Menees, Jie Chen, Geetha Raghuveer

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

Background-Obesity and familial dyslipidemia in children are associated with accelerated atherosclerosis by pathological examination. We sought to determine whether these children had increased carotid artery intima-media thickness (CIMT), a measure of subclinical atherosclerosis similar to 45-year-old adults. Adult CIMT percentile tables were used for comparison because normative CIMT data for children are limited. Methods and Results-Seventy children, ages 6 to 19 years, with obesity-and atherosclerosis-promoting risk factors such as dyslipidemia, hypertension, insulin resistance, and tobacco smoke exposure, or with familial dyslipidemia, underwent carotid artery ultrasound. Advanced "vascular age" (VA) was defined as having maximum CIMT that was ≥25th percentile for raceand sex-matched 45-year-old adults. Mean age was 13.0±3.3 years. Forty (57%) of 70 children had body mass index ≥95th percentile for age and sex. Maximum CIMT for obese children was 0.53 ± 0.05 mm and for familial dyslipidemic children was 0.52±0.04 mm. Advanced VA was seen in 30 (75%) of obese children and 22 (73%) of familial dyslipidemic children. Thirty (75%) of obese children had >3 mutable atherosclerosis-promoting risk factors; these children had a nonsignificantly higher maximum CIMT compared with obese children with ≤3 risk factors (0.54±0.06 mm versus 0.52±0.03 mm, P=0.07). Obese children with high fasting triglyceride levels were more likely to have advanced VA. Conclusions-VA is advanced and comparable in obese children with atherosclerosis-promoting risk factors and in children with familial dyslipidemia. Advanced VA is prevalent in obese children with high fasting triglyceride levels.

Original languageEnglish (US)
Pages (from-to)8-14
Number of pages7
JournalCirculation: Cardiovascular Imaging
Volume3
Issue number1
DOIs
StatePublished - Jan 1 2010
Externally publishedYes

Fingerprint

Blood Vessels
Atherosclerosis
Carotid Intima-Media Thickness
Carotid Arteries
Dyslipidemias
Fasting
Triglycerides
Obesity
Smoke
Tobacco
Insulin Resistance
Body Mass Index

Keywords

  • Carotid arteries
  • Cholesterol
  • Obesity
  • Pediatrics
  • Vasculature

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Cardiology and Cardiovascular Medicine

Cite this

Vascular age is advanced in children with atherosclerosis-promoting risk factors. / Le, Joseph; Zhang, Danna; Menees, Spencer; Chen, Jie; Raghuveer, Geetha.

In: Circulation: Cardiovascular Imaging, Vol. 3, No. 1, 01.01.2010, p. 8-14.

Research output: Contribution to journalArticle

Le, Joseph ; Zhang, Danna ; Menees, Spencer ; Chen, Jie ; Raghuveer, Geetha. / Vascular age is advanced in children with atherosclerosis-promoting risk factors. In: Circulation: Cardiovascular Imaging. 2010 ; Vol. 3, No. 1. pp. 8-14.
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N2 - Background-Obesity and familial dyslipidemia in children are associated with accelerated atherosclerosis by pathological examination. We sought to determine whether these children had increased carotid artery intima-media thickness (CIMT), a measure of subclinical atherosclerosis similar to 45-year-old adults. Adult CIMT percentile tables were used for comparison because normative CIMT data for children are limited. Methods and Results-Seventy children, ages 6 to 19 years, with obesity-and atherosclerosis-promoting risk factors such as dyslipidemia, hypertension, insulin resistance, and tobacco smoke exposure, or with familial dyslipidemia, underwent carotid artery ultrasound. Advanced "vascular age" (VA) was defined as having maximum CIMT that was ≥25th percentile for raceand sex-matched 45-year-old adults. Mean age was 13.0±3.3 years. Forty (57%) of 70 children had body mass index ≥95th percentile for age and sex. Maximum CIMT for obese children was 0.53 ± 0.05 mm and for familial dyslipidemic children was 0.52±0.04 mm. Advanced VA was seen in 30 (75%) of obese children and 22 (73%) of familial dyslipidemic children. Thirty (75%) of obese children had >3 mutable atherosclerosis-promoting risk factors; these children had a nonsignificantly higher maximum CIMT compared with obese children with ≤3 risk factors (0.54±0.06 mm versus 0.52±0.03 mm, P=0.07). Obese children with high fasting triglyceride levels were more likely to have advanced VA. Conclusions-VA is advanced and comparable in obese children with atherosclerosis-promoting risk factors and in children with familial dyslipidemia. Advanced VA is prevalent in obese children with high fasting triglyceride levels.

AB - Background-Obesity and familial dyslipidemia in children are associated with accelerated atherosclerosis by pathological examination. We sought to determine whether these children had increased carotid artery intima-media thickness (CIMT), a measure of subclinical atherosclerosis similar to 45-year-old adults. Adult CIMT percentile tables were used for comparison because normative CIMT data for children are limited. Methods and Results-Seventy children, ages 6 to 19 years, with obesity-and atherosclerosis-promoting risk factors such as dyslipidemia, hypertension, insulin resistance, and tobacco smoke exposure, or with familial dyslipidemia, underwent carotid artery ultrasound. Advanced "vascular age" (VA) was defined as having maximum CIMT that was ≥25th percentile for raceand sex-matched 45-year-old adults. Mean age was 13.0±3.3 years. Forty (57%) of 70 children had body mass index ≥95th percentile for age and sex. Maximum CIMT for obese children was 0.53 ± 0.05 mm and for familial dyslipidemic children was 0.52±0.04 mm. Advanced VA was seen in 30 (75%) of obese children and 22 (73%) of familial dyslipidemic children. Thirty (75%) of obese children had >3 mutable atherosclerosis-promoting risk factors; these children had a nonsignificantly higher maximum CIMT compared with obese children with ≤3 risk factors (0.54±0.06 mm versus 0.52±0.03 mm, P=0.07). Obese children with high fasting triglyceride levels were more likely to have advanced VA. Conclusions-VA is advanced and comparable in obese children with atherosclerosis-promoting risk factors and in children with familial dyslipidemia. Advanced VA is prevalent in obese children with high fasting triglyceride levels.

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