3.9 Article

Association of Retinal Pigment Epithelium Reflectivity on Optical Coherence Tomography with Recurrence of Vogt-Koyanagi-Harada Disease: A Retrospective Observational Study

Journal

CLINICAL OPHTHALMOLOGY
Volume 17, Issue -, Pages 2071-2079

Publisher

DOVE MEDICAL PRESS LTD
DOI: 10.2147/OPTH.S419546

Keywords

Vogt-Koyanagi-Harada disease; optical coherence tomography; retinal pigment epithelium; inflammation recurrence

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This study aimed to investigate the changes in retinal pigment epithelium (RPE) reflectivity in eyes with acute Vogt-Koyanagi-Harada (VKH) disease, as well as the association between RPE reflectivity and VKH disease recurrence. The results showed that there was a significant difference in RPE reflectivity on initial OCT images between patients with and without recurrence, suggesting that RPE reflectivity may be useful for predicting inflammation recurrence in VKH disease.
Purpose: Despite the necessity of optical coherence tomography (OCT) for diagnosis and longitudinal monitoring in patients with Vogt-Koyanagi-Harada (VKH) disease, no studies have identified useful OCT markers for predicting recurrence in these patients. Although the precise reason for this remains unclear, one possibility is that infiltration of inflammatory cells into the choroid attenuates the OCT signal, making it difficult to precisely assess the structure of the choroid. Therefore, this study aimed to investigate changes in retinal pigment epithelium (RPE) reflectivity immediately above the choroid in eyes with acute VKH disease, as well as the association between RPE reflectivity and VKH disease recurrence. Patients and Methods: This single-centered retrospective observational study included 20 treatment-naive patients with acute VKH disease presenting with serous retinal detachment (SRD) in the posterior pole at the initial visit between October 2015 and January 2020, as well as 15 healthy control eyes. All patients were followed up for at least 6 months and received treatment with intravenous methylprednisolone followed by oral administration of prednisolone. Swept-source OCT images through the fovea were used to measure central retinal thickness, central choroidal thickness, and RPE reflectivity.Results: During an observation period of 37.2 & PLUSMN; 30.8 months, recurrence of inflammation was observed in 11 patients (55.0%). Initial visual acuity was worse in patients who developed recurrence than in those who did not (P=0.024). On initial OCT images, RPE reflectivity differed significantly between patients with and without recurrence (1.75 & PLUSMN; 0.42 vs 1.35 & PLUSMN; 0.20; P=0.018), while there were no significant differences in other chorioretinal parameters, such as central retinal thickness and choroidal thickness.Conclusion: RPE reflectivity on OCT images may be useful for predicting the recurrence of inflammation in patients with VKH disease.

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