Abstract
Purpose
To evaluate changes in choroidal blood flow in patients with Vogt-Koyanagi-Harada (VKH) disease after initiation of corticosteroid treatment.
Methods
Fourteen patients (10 men and 4 women) with acute VKH disease followed for 2 years were retrospectively reviewed; only right eyes were included in the analysis. Mean blur rate (MBR) in the macula was measured by laser speckle flowgraphy (LSFG) and central choroidal thickness (CCT) was measured by optical coherence tomography (OCT), both prior to treatment and over 2 years after initiation of corticosteroid treatment.
Results
Of 14 patients included in this study, 13 received initial treatment consisting of intravenous corticosteroid pulse therapy and one patient was treated using bilateral sub-Tenon injections of triamcinolone acetonide. Mean percentage change in MBR was significantly increased after initiation of treatment compared to pretreatment values (P < 0.001). Mean CCTs were significantly decreased after initiation of treatment, compared to pretreatment thicknesses (P < 0.001). There was no significant change in either MBR change or CCT at 1 month after initiation of treatment through 2 years of follow-up. The mean MBR percentage change was significantly higher in eyes with sunset glow fundus (SGF) compared to eyes without SGF at 1 year.
Conclusion
With initiation of corticosteroid treatment in VKH disease patients, choroidal blood flow improved and was maintained for 2 years. However, the presence of SGF should be taken into consideration when interpreting MBR results in VKH disease patients.
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Abe, S., Nakamura, T., Okumura, E. et al. Long-term changes of choroidal blood flow velocity in Vogt-Koyanagi-Harada disease. Graefes Arch Clin Exp Ophthalmol 260, 1933–1939 (2022). https://doi.org/10.1007/s00417-021-05540-2
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DOI: https://doi.org/10.1007/s00417-021-05540-2