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Cholesterol and carotid atherosclerosis in older persons: the Framingham Study.

Abstract
We studied the relationship between extracranial carotid atherosclerosis as measured by high-resolution carotid sonography and serum total cholesterol and high-density-lipoprotein cholesterol (HDL-C) levels which were determined at the time of carotid sonography and 8 years previously in 1189 members of the Framingham cohort, aged 66 to 93 years. Among participants, no carotid disease was found in 30%; 1 to 49% stenosis, in 62%; 50 to 74% stenosis, in 5%; 75 to 99% stenosis, in 2%; and 100% stenosis, in 1%. Total cholesterol measured 8 years prior to the carotid examination showed a strong positive association with the occurrence of stenosis in both men and women. There was no association between concurrently measured cholesterol levels and stenosis for either men or women. For women there was a strong association between both the 8-year HDL-C level and the concurrently measured HDL-C level and the degree of carotid stenosis. For men, neither concurrent nor 8-year HDL-C measurements were significantly related to carotid stenosis. These results suggest that there is a time lag between the observation of an elevated cholesterol level and its expression as an increased degree of carotid atherosclerosis.
AuthorsD H O'Leary, K M Anderson, P A Wolf, J C Evans, H W Poehlman
JournalAnnals of epidemiology (Ann Epidemiol) 1992 Jan-Mar Vol. 2 Issue 1-2 Pg. 147-53 ISSN: 1047-2797 [Print] United States
PMID1342256 (Publication Type: Journal Article)
Chemical References
  • Cholesterol, HDL
  • Cholesterol
Topics
  • Age Factors
  • Aged
  • Aged, 80 and over
  • Arteriosclerosis (blood, epidemiology)
  • Carotid Stenosis (blood, epidemiology)
  • Cholesterol (blood)
  • Cholesterol, HDL (blood)
  • Cohort Studies
  • Female
  • Humans
  • Male
  • Middle Aged
  • Prevalence
  • Risk Factors

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