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KMID : 0360220220630100865
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Journal of the Korean Ophthalmological Society
2022 Volume.63 No. 10 p.865 ~ p.871
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Prognostic Factors for Visual Outcomes in Acute Anterior Optic Neuritis Using Optical Coherence Tomography
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Park Hyun-Young
Hong Sa-Min
Kim Sang-Ah
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Abstract
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Purpose: To identify the clinical characteristics and predictors of visual outcomes in acute anterior optic neuritis patients treated with high-dose steroid pulse therapy using spectral domain optical coherence tomography (SD-OCT).
Methods: In this study, the medical records of 34 acute anterior optic neuritis patients treated with intravenous high-dose steroid pulse therapy and followed-up for at least 3 months were retrospectively reviewed. The patients were divided into two groups based on the final best-corrected visual acuity (BCVA); group 1 (n = 23) had a final BCVA ≥20/32, while group 2 (n = 11) had a final BCVA <20/32. Clinical characteristics and optical parameters obtained using SD-OCT were evaluated to identify factors influencing the final visual outcome.
Results: There were no statistically significant differences in clinical or demographic data between the two groups. Peripapillary retinal nerve fiber layer (pRNFL) swelling at initial presentation was less common (p = 0.015), and the time to pRNFL thickness stabilization was longer (p = 0.016), in group 1. Multivariate logistic regression demonstrated better final visual acuity for patients in whom pRNFL thickness stabilization took longer, as well as in those with a smaller reduction in macular ganglion cell-inner plexiform layer (mGCIPL) thickness, and those without recurrence (p = 0.002, 0.016, and 0.035, respectively).
Conclusions: Intravenous high-dose steroid pulse therapy much improved long-term visual outcomes in acute anterior optic neuritis patients with delayed pRNFL thickness stabilization, a smaller mGCIPL thickness reduction, and no recurrence. This suggests that inner retinal layer thickness and recurrence after stabilization may serve as biomarkers for final visual acuity after intravenous steroid treatment in acute anterior optic neuritis.
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KEYWORD
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Acute optic neuritis, Ganglion cell-inner plexiform layer, Intravenous steroid pulse therapy, Optical coherence tomography, Retinal nerve fiber layer
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