Carotid Wall Thickness in Patients with Acute Unilateral Nonarteritic Anterior Ischemic Optic Neuropathy

Author(s):

Khalil Ghasemi , Falavarjani , Mehrnoush Mehrabani , Leila Ghiasian , Mostafa Soltan , Sanjari , Babak Zamani , Mohammad Reza Oladi , Mehdi Modarres , Zadeh

Message:
Abstract:
Purpose
To compare ipsilateral and contralateral carotid wall thickness in patients with acute unilateral non-arteritic anterior ischemic optic neuropathy (NAION).
Methods
This prospective case series included 17 (10 male and 7 female) patients with unilateral NAION of less than 8 week's duration who underwent B-mode ultrasonography to measure intima-media thickness (IMT) in the common carotid and internal carotid arteries. IMT values of the affected side were compared with those on the contralateral side.
Results
Mean patient age was 59.6±10.8 (range 45-74) years. Mean interval between onset of NAION and measurements was 27.6±13.2 (range 10-45) days. Mean IMT of both common and internal carotid arteries on the affected side (1.19±0.14 and 1.41±0.29 mm, respectively) was significantly (P<0.001) higher than the non-involved side (0.92±0.11 and 0.83±0.2, respectively).
Conclusion
NAION may be accompanied by increased carotid wall thickness. Carotid wall thickness measurement using ultrasound in patients with NAION may be useful to identify concomitant carotid artery disease
Language:
Persian
Published:
Journal of Ophthalmology Bina, Volume:14 Issue: 2, 2009
Page:
121
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