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Original Article
Retrobulbar haemodynamics and carotid wall thickness in patients with non-arteritic anterior ischaemic optic neuropathy
  1. M Soltan Sanjari1,
  2. K Ghasemi Falavarjani1,
  3. M Mehrabani2,
  4. L Ghiasian3,
  5. B Zamani2
  1. 1
    Eye Research Center and Eye Department, Rassoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran
  2. 2
    Department of Neurology, Rassoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran
  3. 3
    Eye Research Center, Rassoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran
  1. Dr K Ghasemi Falavarjani, Eye Research Center, Rassoul Akram Hospital, Sattarkhan-Niayesh Street, Tehran 14455-364, Iran; drghasemi{at}yahoo.com

Abstract

Aim: To compare retrobulbar haemodynamics and ipsilateral carotid wall thickness of patients with unilateral non-arteritic anterior ischaemic optic neuropathy (NAION) with their contralateral side.

Methods: Seventeen patients with unilateral NAION participated in this study. By means of Colour Doppler imaging, the blood-flow velocities of the ophthalmic artery were measured. Intima-media thickness (IMT) of common carotid and internal carotid arteries were measured using B-mode ultrasonography. Measurements of the affected side were compared with the non-involved side.

Results: Flow velocities in the ophthalmic arteries on the side of the eyes with NAION were significantly decreased compared with those on the side of the unaffected eyes (p<0.001). In addition, in all patients, both common and internal carotid artery IMT were significantly greater on the side of the NAION compared with the contralateral side (p<0.001).

Conclusion: NAION may be associated with decreased retrobulbar flow velocities and increased carotid wall thickness.

https://doi.org/10.1136/bjo.2008.144832

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    Footnotes

    • Competing interests: None.

    • Ethics approval: Ethics approval was provided by the Institutional Review Board of the Eye Research Center, Iran University of Medical Sciences.

    • Patient consent: Obtained.