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Updated: May 28, 2026

A Methodological Approach to Non-invasive Assessments of Vascular Function and Morphology
09:33

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

Published on: February 7, 2015

Relation between carotid intima-media thickness and aortic knob width in patients with essential hypertension

Hakan Erkan1, Levent Korkmaz, Mustafa Tark Ağaç

  • 1Department of Cardiology, Ahi Evren Heart and Vascular Surgery Training and Research Hospital, Turkey.

Blood Pressure Monitoring
|November 3, 2011
PubMed

Insights

Aortic knob width on chest X-rays can help predict subclinical atherosclerosis in hypertensive patients. This simple measurement correlates with carotid intima media thickness, offering valuable cardiovascular risk information.

Area of Science:

  • Cardiovascular Imaging
  • Radiology
  • Hypertension Research

Background:

  • Subclinical atherosclerosis assessment is crucial for hypertensive patients.
  • It aids in evaluating hypertension severity and cardiovascular risk.

Purpose of the Study:

  • To evaluate the utility of aortic knob width on chest radiography.
  • To assess subclinical atherosclerosis in hypertensive individuals.

Main Methods:

  • 126 hypertensive patients were analyzed.
  • Carotid intima media thickness (CIMT) was measured.
  • Aortic knob width was measured on chest radiographs.

Main Results:

  • Aortic knob width strongly correlated with CIMT (r=0.62, P<0.001).
  • CIMT also correlated with age, systolic, diastolic, and pulse pressures.
  • Aortic knob width, age, and systolic pressure were independent predictors of CIMT.

Conclusions:

  • Aortic knob measurement on chest X-rays is a useful tool.
  • It provides predictive information for subclinical atherosclerosis in hypertension.
Abstract

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