Ultrasonic Evaluation of Common Carotid Intima-Media Thickness (IMT) - Influence of Local Plaque on the Relationship Between IMT and Age
スポンサーリンク
概要
- 論文の詳細を見る
Ultrasonic evaluation of the intima-media thickness in the common carotid artery (IMT-CCA) has been widely used as a marker of atherosclerosis. However, the definition of IMT-CCA is not uniform and it includes two quite different pathological changes; a general intima-media thickening and a local atherosclerotic change (plaque formation). The aim of this paper was to evaluate the IMT-CCA and local atherosclerosis separately, and to clarify how the IMT-CCA itself changes with age and how local plaques influence the relationship between the IMT-CCA and age. The subjects were 979 men and women aged 40 to 79 years who participated in the first wave examination of the National Institute for Longevity Sciences-Longitudinal Study of Aging (NILSLSA). The IMT-CCA measured at the thinnest point was significantly higher in men (0.61*0.15 mm) than in women (0.58*0.14 mm, p<0.01) and it increased with age (trend p<0.0001) in both genders. The IMT-CCA was higher with the presence of plaque in the bulbs (PLQ-BLB) than without PLQ-BLB (p<0.0001). Although this was a cross-sectional study, the IMT-CCA increased 0.06mm/10years with PLQ-BLB and 0.04mm/10years without PLQ-BLB. The IMT-CCA could be partially explained by age, gender and PLQ-BLB (r2=0.317). In this middle-aged and elderly population, an increase in the IMT-CCA showed a moderate relationship with local atherosclerosis and age. J Epidemiol, 2000 ; 10 : S10-S17.
- 日本疫学会の論文
著者
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NIINO Naoakira
Department of Epidemiology, National Institute for Longevity Sciences
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Ando Fujiko
Department Of Epidemiology National Institute For Longevity Sciences National Center For Geriatrics
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Shimokata H
Department Of Epidemiology National Institute For Longevity Sciences National Center For Geriatrics
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Shimokata Hiroshi
Department Of Epidemiology And Social Medicine Research Institute For Nuclear Medicine And Biology H
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Takekuma Kiyoshi
Department Of Public Health Nagoya City University Medical School
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