Low impact of traditional risk factors on carotid intima-media thickness: The ELSA-brasil cohort

Itamar S. Santos, Airlane P. Alencar, Tatjana Rundek, Alessandra C. Goulart, Sandhi M. Barreto, Alexandre C. Pereira, Isabela M. Benseñor, Paulo A. Lotufo

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

Objective - There is little information about how much traditional cardiovascular risk factors explain common carotid artery intima-media thickness (CCA-IMT) variance. We aimed to study to which extent CCA-IMT values are determined by traditional risk factors and which commonly used measurements of blood pressure, glucose metabolism, lipid profile, and adiposity contribute the most to this determination in the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil) cohort baseline. Approach and Results - We analyzed 9792 individuals with complete data and CCA-IMT measurements. We built multiple linear regression models using mean left and right CCA-IMT as the dependent variable. All models were stratified by sex. We also analyzed individuals stratified by 10-year coronary heart disease risk and, in separate, those with no traditional risk factors. Main models' R<sup>2</sup> varied between 0.141 and 0.373. The major part of the explained variance in CCA-IMT was because of age and race. Indicators of blood pressure, lipid profile, and adiposity that most frequently composed the best models were pulse pressure, low-density lipoprotein/high-density lipoprotein ratio, and neck circumference. The association between neck circumference and CCA-IMT persisted significant even after further adjustment for vessel sizes and body mass index. Indicators of glucose metabolism had smaller contribution. Conclusions - We found that >60% of CCA-IMT were not explained by demographic and traditional cardiovascular risk factors, which highlights the need to study novel risk factors. Pulse pressure, low-density lipoprotein/high-density lipoprotein ratio, and neck circumference were the most consistent contributors.

Original languageEnglish (US)
Pages (from-to)2054-2059
Number of pages6
JournalArteriosclerosis, Thrombosis, and Vascular Biology
Volume35
Issue number9
DOIs
StatePublished - Sep 28 2015

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Carotid Intima-Media Thickness
Common Carotid Artery
Blood Pressure
Neck
Adiposity
HDL Lipoproteins
LDL Lipoproteins
Linear Models
Lipid Metabolism
Coronary Disease
Longitudinal Studies
Blood Glucose
Body Mass Index
Demography
Lipids
Glucose
Health

Keywords

  • adipose tissue
  • blood pressure
  • cardiovascular diseases risk factors
  • carotid intima-media thickness
  • ultrasonography

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Low impact of traditional risk factors on carotid intima-media thickness : The ELSA-brasil cohort. / Santos, Itamar S.; Alencar, Airlane P.; Rundek, Tatjana; Goulart, Alessandra C.; Barreto, Sandhi M.; Pereira, Alexandre C.; Benseñor, Isabela M.; Lotufo, Paulo A.

In: Arteriosclerosis, Thrombosis, and Vascular Biology, Vol. 35, No. 9, 28.09.2015, p. 2054-2059.

Research output: Contribution to journalArticle

Santos, IS, Alencar, AP, Rundek, T, Goulart, AC, Barreto, SM, Pereira, AC, Benseñor, IM & Lotufo, PA 2015, 'Low impact of traditional risk factors on carotid intima-media thickness: The ELSA-brasil cohort', Arteriosclerosis, Thrombosis, and Vascular Biology, vol. 35, no. 9, pp. 2054-2059. https://doi.org/10.1161/ATVBAHA.115.305765
Santos, Itamar S. ; Alencar, Airlane P. ; Rundek, Tatjana ; Goulart, Alessandra C. ; Barreto, Sandhi M. ; Pereira, Alexandre C. ; Benseñor, Isabela M. ; Lotufo, Paulo A. / Low impact of traditional risk factors on carotid intima-media thickness : The ELSA-brasil cohort. In: Arteriosclerosis, Thrombosis, and Vascular Biology. 2015 ; Vol. 35, No. 9. pp. 2054-2059.
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AU - Rundek, Tatjana

AU - Goulart, Alessandra C.

AU - Barreto, Sandhi M.

AU - Pereira, Alexandre C.

AU - Benseñor, Isabela M.

AU - Lotufo, Paulo A.

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