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Ophthalmic artery visualization and morphometry by computed tomography angiography.

Taoran Zhang1, Shichao Fan, Wen He

  • 1Department of Ophthalmology, Beijing Friendship Hospital affiliated with Capital Medical University, 95th Yong'an Road, Xicheng District, Beijing, People's Republic of China.

Graefe'S Archive for Clinical and Experimental Ophthalmology = Albrecht Von Graefes Archiv Fur Klinische Und Experimentelle Ophthalmologie
|February 25, 2015
PubMed
Summary
This summary is machine-generated.

Computed tomography angiography (CTA) reliably visualizes the ophthalmic artery (OA). This study found no significant differences in OA diameter based on gender or age group, confirming CTA

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Area of Science:

  • Medical Imaging
  • Vascular Anatomy
  • Radiology

Background:

  • Accurate visualization of the ophthalmic artery (OA) is crucial for diagnosing and managing various cerebrovascular conditions.
  • Computed tomography angiography (CTA) offers high-resolution imaging, but its utility for detailed OA morphometry requires further assessment.
  • Understanding OA morphometric variations across demographics is essential for clinical interpretation and surgical planning.

Purpose of the Study:

  • To evaluate the feasibility of using CTA for visualizing the ophthalmic artery (OA).
  • To perform three-dimensional (3D) morphometry of the OA using CTA data.
  • To compare OA diameter across different age groups and between genders.

Main Methods:

  • Retrospective analysis of 171 patients with CTA-confirmed normal internal carotid arteries.
  • Multiplanar CT reformations and 3D volume-rendering (VR) CTA with bone subtraction were utilized for OA identification and visualization.
  • Ophthalmic artery diameter was measured and compared between genders and various age cohorts (<40, 40-49, 50-59, 60-69, >70 years).

Main Results:

  • CTA successfully visualized all ophthalmic arteries, with bone subtraction being effective in all cases.
  • The mean OA diameter was comparable between men (1.37 ± 0.25 mm) and women (1.35 ± 0.16 mm) (P = 0.188).
  • No significant differences in mean OA diameter were observed across the studied age groups (P = 0.662).

Conclusions:

  • Computed tomography angiography (CTA) is a reliable and effective method for visualizing the ophthalmic artery (OA).
  • The study demonstrates that OA diameter does not significantly vary with gender or age.
  • CTA-derived 3D morphometry provides valuable anatomical insights into the ophthalmic artery.