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A Methodological Approach to Non-invasive Assessments of Vascular Function and Morphology
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A Methodological Approach to Non-invasive Assessments of Vascular Function and Morphology

Published on: February 7, 2015

Aneurysmal disease is associated with lower carotid intima-media thickness than occlusive arterial disease

Koen M van de Luijtgaarden1, Erik J Bakker, Ellen V Rouwet

  • 1Department of Vascular Surgery, Erasmus University Medical Center, Rotterdam, The Netherlands.

Journal of Vascular Surgery
|November 28, 2012
PubMed

Insights

Patients with aneurysmal disease have a lower atherosclerotic burden, indicated by common carotid artery intima-media thickness (CIMT), compared to those with occlusive arterial disease. This suggests other factors contribute to aortic aneurysm formation beyond atherosclerosis.

Area of Science:

  • Vascular Biology
  • Cardiovascular Medicine
  • Atherosclerosis Research

Background:

  • Cardiovascular risk profiles overlap between patients with aneurysmal and occlusive arterial disease.
  • The precise relationship between atherosclerosis and aortic aneurysm formation remains unclear.
  • Common carotid artery intima-media thickness (CIMT) serves as a key indicator of early atherosclerosis.

Purpose of the Study:

  • To compare the atherosclerotic burden, measured by CIMT, between patients with aneurysmal and occlusive arterial disease.
  • To investigate the role of atherosclerosis in the pathogenesis of aortic aneurysms.

Main Methods:

  • A cohort of 904 patients undergoing vascular surgery between 2004 and 2011 were analyzed.
  • Common carotid artery intima-media thickness (CIMT) was measured using B-mode ultrasound.
  • Univariable and multivariable analyses were performed, adjusting for cardiovascular risk factors, comorbidities, and medication.

Main Results:

  • Patients with aneurysmal disease exhibited a significantly lower mean CIMT (0.97 mm) compared to those with occlusive arterial disease (1.07 mm).
  • After adjustment for confounding factors, a mean CIMT difference of 0.15 mm was observed between the groups (P < .001).
  • The findings indicate a reduced atherosclerotic burden in individuals with aneurysmal disease.

Conclusions:

  • Aneurysmal disease is associated with a lower atherosclerotic burden than occlusive arterial disease.
  • These results support the hypothesis that additional pathogenic mechanisms, beyond atherosclerosis, are implicated in aortic aneurysm development.
  • Further research is warranted to fully elucidate the complex interplay between atherosclerosis and aortic aneurysm formation.
Abstract

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