Comparison of carotid plaque burden among healthy middle-aged men living in the US, Japan, and South Korea

Abhishek Vishnu, Jina Choo, Aya Kadota, Emma J.M. Barinas-Mitchell, Akira Fujiyoshi, Dorothy Leann Long, Takashi Hisamatsu, Vasudha Ahuja, Yasuyuki Nakamura, Rhobert W. Evans, Katsuyuki Miura, Kamal H. Masaki, Chol Shin, Hirotsugu Ueshima, Akira Sekikawa

研究成果査読

12 被引用数 (Scopus)

抄録

Background: Carotid plaque has emerged as a marker of coronary heart disease (CHD) risk. Comparison of carotid plaque burden between different race/ethnic groups may provide a relative estimate of their future CHD risk. Methods: We conducted a population-based study among apparently healthy middle-aged men aged 40–49 years (ERA JUMP study (n = 924)) and recruited 310 Whites in Pittsburgh, US, 313 Japanese in Otsu, Japan, and 301 Koreans in Ansan, South Korea. The number of carotid plaque and CHD risk factors was assessed using a standardized protocol across all centers. The burden of carotid plaque was compared between race/ethnic groups after adjustment for age and BMI, and after multivariable adjustment for other CHD risk factors using marginalized zero-inflated Poisson regression models. Cross-sectional associations of risk factors with plaque were examined. Results: Whites (22.8%) had more than four-fold higher prevalence (p < 0.01) of carotid plaque than Japanese men (4.8%) while the prevalence among Koreans was 10.6%. These differences remained significant after adjustment for age, BMI as well as other risk factors – incidence density ratio (95% confidence interval) for plaque was 0.13 (0.07, 0.24) for Japanese and 0.32 (0.18, 0.58) for Koreans as compared to Whites. Age, hypertension and diabetes were the only risk factors significantly associated with presence of carotid plaque in the overall population. Conclusion: Whites have significantly higher carotid plaque burden than men in Japan and Korea. Lower carotid plaque burden among Japanese and Koreans is independent of traditional CVD risk factors.

本文言語English
ページ(範囲)245-249
ページ数5
ジャーナルInternational Journal of Cardiology
266
DOI
出版ステータスPublished - 9月 1 2018
外部発表はい

ASJC Scopus subject areas

  • 循環器および心血管医学

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