Survey of atherosclerotic disease in Asian subjects with cardiovascular disease risk factors who were not receiving lipid-lowering agents

Byung Hee Oh, R. W. M. Kaligis, Yongjun Wang, Felix Eduardo R. Punzalan, Nijasri C. Suwanwela, Viet Lan Nguyen, Tsong Hai Lee, Kui Hian Sim, Yohji Itoh, Namrata Bahadur, Joy Leong

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

Background Carotid intima media thickness (CIMT) is a surrogate marker for atherosclerosis, used to identify asymptomatic individuals at increased risk of cardiovascular events. The primary objective of this study was to obtain the distribution of CIMT measurements in Asian individuals with cardiovascular disease (CVD) risk factors who were not receiving lipid-lowering agents. Methods Mean CIMT based on ultrasonographic measurement of 12 sites within the common carotid artery was recorded for 2726 subjects across eight Asian countries who had two or more CVD risk factors but were not receiving lipid-lowering therapy. CVD risk factors and lipid and glucose profiles were analyzed with respect to distribution of CIMT and high-sensitivity C-reactive protein (hs-CRP) values. Results The overall mean (SD) of mean CIMT (mean-mean CIMT) was 0.662 (0.16) mm. There was a significant variation in mean-mean CIMT across countries (P < 0.0001). Mean-mean CIMT values (mm) by age were: 0.485, 0.527, 0.614, 0.665, 0.715 and 0.797 for ≤ 29, 30-39, 40-49, 50-59, 60-69 and ≥ 70 years, respectively. Multivariate analyses confirmed a significant association between increasing mean-mean CIMT and increasing age, male gender, low high-density lipoprotein-cholesterol (HDL-C) levels and elevated fasting blood glucose levels. Analysis of log-transformed hs-CRP levels showed significant association with increasing waist circumference, low-density lipoprotein-cholesterol, body-mass index, high blood glucose levels and low HDL-C. Conclusions Our data show normative mean-mean CIMT data for Asian subjects with two or more CVD risk factors who are not receiving lipid-lowering therapy, which may guide CVD risk-stratification of asymptomatic individuals in Asia.

Original languageEnglish
Pages (from-to)2761-2766
Number of pages6
JournalInternational Journal of Cardiology
Volume168
Issue number3
DOIs
Publication statusPublished - 3 Oct 2013

Keywords

  • Asia
  • Atherosclerosis
  • Cardiovascular disease risk factor
  • Carotid intima media thickness
  • Ethnicity

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