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Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging
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Prevalence of aortic root dilation in patients with CT angiography of the aorta

Iclal Ocak1, Joan M Lacomis, Christopher R Deible

  • 1Department of Radiology, University of Pittsburgh Medical Center, Thoracic Imaging Division, Pittsburgh, PA, USA. ocaki@upmc.edu

Diagnostic and Interventional Radiology (Ankara, Turkey)
|August 21, 2010
PubMed

Insights

This study found a higher prevalence of aortic root dilation in patients with a dilated ascending aorta (AAo). These findings highlight the importance of evaluating the aortic root in patients undergoing thoracic aorta CT angiography.

Area of Science:

  • Cardiovascular Imaging
  • Radiology
  • Thoracic Aorta Anatomy

Background:

  • Aortic root dilation is a significant concern in cardiovascular health.
  • CT angiography is a key tool for evaluating thoracic aorta pathology.

Purpose of the Study:

  • To determine the prevalence of aortic root dilation.
  • Investigate its association with ascending aorta (AAo) diameter.

Main Methods:

  • 95 patients underwent 64-slice CT angiography of the thoracic aorta.
  • Measurements included annulus, sinuses of Valsalva (SOV), sinotubular junction (STJ), and AAo.
  • Dilation defined as >40 mm for AAo, STJ, SOV; >27 mm for annulus.

Main Results:

  • 52 patients had dilated AAo; 43 had normal AAo.
  • Dilated AAo was associated with higher rates of annulus, SOV, and STJ dilation.
  • 38% of dilated AAo patients had annulus dilation vs. 28% with normal AAo.

Conclusions:

  • Aortic root dilation is more prevalent in patients with a dilated ascending aorta.
  • This suggests a potential link between AAo diameter and aortic root abnormalities.
Abstract

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