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Vascular age: integrating carotid intima-media thickness measurements with global coronary risk assessment.

Publication ,  Journal Article
Stein, JH; Fraizer, MC; Aeschlimann, SE; Nelson-Worel, J; McBride, PE; Douglas, PS
Published in: Clin Cardiol
July 2004

BACKGROUND: An imaging test that quantifies atherosclerotic burden and that can be integrated with existing risk stratification paradigms would be a very useful clinical tool. HYPOTHESIS: Measurement of carotid intima-media thickness (CIMT) is feasible in a clinical setting. Such measurements can be integrated into coronary risk assessment models. METHODS: Carotid intima-media thickness was measured by B-mode ultrasound in 82 consecutive patients without manifest atherosclerotic vascular disease. The values were used to determine "vascular age" (VA) based on nomograms from the Atherosclerosis Risk in Communities study. Vascular age was substituted for chronological age and standard and vascular age-adjusted 10-year coronary heart disease (CHD) risk estimates were compared. RESULTS: The mean chronological age was 55.8 +/- 9.0 years. The mean VA using CIMT was 65.5 +/- 18.9 years (p < 0.001). The Framingham 10-year hard CHD risk estimate was 6.5 +/- 4.9%. Substituting CIMT-derived VA for chronological age increased the 10-year CHD risk estimate to 8.0 +/- 6.8% (p < 0.001). Of 14 subjects initially at intermediate risk, 5 (35.7%) were reclassified as higher risk and 2 (14.3%) were reclassified as lower risk. Significant predictors of reclassification were tobacco use, high-density lipoprotein cholesterol, systolic blood pressure, and low-density lipoprotein cholesterol. CONCLUSIONS: Measurement of CIMT, a noninvasive estimate of current atherosclerotic burden, is feasible in a clinical setting and can be integrated into CHD risk assessment models. Determining VA using CIMT values may help individualize the age component of population-based CHD risk estimates. This strategy should be tested in a large trial with hard clinical endpoints.

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Published In

Clin Cardiol

DOI

ISSN

0160-9289

Publication Date

July 2004

Volume

27

Issue

7

Start / End Page

388 / 392

Location

United States

Related Subject Headings

  • Tunica Intima
  • Systole
  • Risk Factors
  • Risk Assessment
  • Reproducibility of Results
  • Predictive Value of Tests
  • Middle Aged
  • Male
  • Humans
  • Female
 

Citation

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Stein, J. H., Fraizer, M. C., Aeschlimann, S. E., Nelson-Worel, J., McBride, P. E., & Douglas, P. S. (2004). Vascular age: integrating carotid intima-media thickness measurements with global coronary risk assessment. Clin Cardiol, 27(7), 388–392. https://doi.org/10.1002/clc.4960270704
Stein, James H., Michael C. Fraizer, Susan E. Aeschlimann, Jane Nelson-Worel, Patrick E. McBride, and Pamela S. Douglas. “Vascular age: integrating carotid intima-media thickness measurements with global coronary risk assessment.Clin Cardiol 27, no. 7 (July 2004): 388–92. https://doi.org/10.1002/clc.4960270704.
Stein JH, Fraizer MC, Aeschlimann SE, Nelson-Worel J, McBride PE, Douglas PS. Vascular age: integrating carotid intima-media thickness measurements with global coronary risk assessment. Clin Cardiol. 2004 Jul;27(7):388–92.
Stein, James H., et al. “Vascular age: integrating carotid intima-media thickness measurements with global coronary risk assessment.Clin Cardiol, vol. 27, no. 7, July 2004, pp. 388–92. Pubmed, doi:10.1002/clc.4960270704.
Stein JH, Fraizer MC, Aeschlimann SE, Nelson-Worel J, McBride PE, Douglas PS. Vascular age: integrating carotid intima-media thickness measurements with global coronary risk assessment. Clin Cardiol. 2004 Jul;27(7):388–392.

Published In

Clin Cardiol

DOI

ISSN

0160-9289

Publication Date

July 2004

Volume

27

Issue

7

Start / End Page

388 / 392

Location

United States

Related Subject Headings

  • Tunica Intima
  • Systole
  • Risk Factors
  • Risk Assessment
  • Reproducibility of Results
  • Predictive Value of Tests
  • Middle Aged
  • Male
  • Humans
  • Female