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KMID : 0360220210620101449
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Journal of the Korean Ophthalmological Society
2021 Volume.62 No. 10 p.1449 ~ p.1454
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Posterior Ischemic Optic Neuropathy after Cervical Spine Surgery
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Cho Sung-Do
Kim Dong-Hyun
Yang Hee-Kyung
Hwang Jeong-Min
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Abstract
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Purpose: To describe a patient with posterior ischemic optic neuropathy (PION) after cervical spine surgery who recovered after treatment.
Case summary: A 51-year-old woman presented with eye pain and decreased visual acuity in the left eye, which had begun 8 hours after cervical spine surgery in the prone position. Her best-corrected visual acuity (BCVA) was 20/20 in the right eye and hand motion in the left eye; a relative afferent pupillary defect was present in the left eye. Ductions and versions were normal with pain in the left eye. The results of slit lamp examination, fundoscopic examination, fluorescein angiography, and optical coherence tomography were unremarkable in both eyes. Brain and orbital magnetic resonance imaging showed no abnormal findings in the visual pathway, such as brain infarction or intracranial artery stenosis. The patient was diagnosed with PION in the left eye.
Because postoperative anemia had developed with a rapid decrease in hemoglobin from 14.7 g/dL to 9.9 g/dL, red blood cell (RBC) transfusion was performed together with intravenous high-dose steroid therapy and subcutaneous epoetin alfa injection.
After 3 weeks, the patient’s BCVA improved to 20/22 in the left eye.
Conclusions: Unilateral PION developed after cervical spine surgery in the prone position. Visual improvement was observed after RBC transfusion, intravenous high-steroid therapy, and subcutaneous epoetin alfa injection.
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KEYWORD
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Erythropoietin, Posterior ischemic optic neuropathy, Postoperative visual loss, Steroid, Transfusion
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