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KMID : 1130620190150030386
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Journal of Clinical Neurology
2019 Volume.15 No. 3 p.386 ~ p.392
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Arteritic Anterior Ischemic Optic Neuropathy Associated with Giant-Cell Arteritis in Korean Patients: A Retrospective Single-Center Analysis and Review of the Literature
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Choi Jae-Hwan
Shin Jong-Hoon
Jung Jae-Ho
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Abstract
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Background and Purpose: The aim of this study is to report the relative incidence of arteritic anterior ischemic optic neuropathy (AAION) associated with giant-cell arteritis (GCA) in a single-center and evaluate the clinical features of AAION in Korean patients.
Methods: The medical records of patients with presumed AION who visited our hospital from January 2013 to August 2018 were examined retrospectively. The patients were divided into two groups: AAION associated with GCA, and non AION (NAION). We additionally reviewed the literature and identified all cases of AAION in Korean and Caucasian patients. We evaluated the clinical data including the initial and final best-corrected visual acuities, fundus photographs, visual field tests, fluorescein angiography, and contrast-enhanced MRI, and compared the data with those for Caucasian patients in the literature.
Results: Of the 142 patients with presumed AION, 3 (2.1%) were diagnosed with AAION and 139 (97.9%) were diagnosed with NAION. Seven Korean patients with AAION associated with GCA were identified in our data and the literature review. We found no difference in any clinical features other than laterality: four of the seven Korean patients had bilateral involvement. Moreover, the optic nerve sheath was enhanced in two of our Korean patients.
Conclusions: AAION associated with GCA is a very rare condition compared to NAION in Korea. However, GCA should be considered in all cases of ischemic optic neuropathy because AAION is associated with poor visual outcome, and sometimes presents bilaterally.
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KEYWORD
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arteritic anterior ischemic optic neuropathy, giant-cell arteritis, Korea, nonarteritic ischemic optic neuropathy, optic nerve sheath enhancement, anterior ischemic optic neuropathy
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