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KMID : 0360220230640010035
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Journal of the Korean Ophthalmological Society
2023 Volume.64 No. 1 p.35 ~ p.42
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The Choroidal Vascularity Indices of Treatment-Naive Patients with Central Retinal Vein Occlusion and Age-/Sex-Matched Controls
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Joo Hye-Jun
Kim Ha-Kyoung
Ma Dae-Joong
Mun Yong-Seok
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Abstract
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Purpose: To compare the subfoveal choroidal vascularity indices (CVIs) of treatment-naive patients with central retinal vein occlusion (CRVO) with controls.
Methods: Twenty-one eyes of 21 treatment-naive CRVO patients and 42 age- and sex-matched control eyes (of 42 subjects) lacking any retinal disease were included. The subfoveal CVIs were measured using ImageJ software.
Results: The mean subfoveal CVI in eyes with treatment-naive CRVO at the initial visit was significantly higher than that of control eyes (0.6464 ± 0.0326 vs. 0.6209 ± 0.0434 respectively; p = 0.024). In contrast, no significant difference in the mean subfoveal CVI was found between CRVO eyes 6 months after initial diagnosis and control eyes (0.6311 ± 0.0600 vs. 0.6209 ± 0.0434 respectively; p = 0.238). Of the 21 eyes with CRVO, 18 (85.7%) received intravitreal injections (bevacizumab, ranibizumab, aflibercept, or triamcinolone) and four (19.0%) underwent panretinal photocoagulation.
Conclusions: The subfoveal CVI of eyes with treatment-naive CRVO at the initial visit was significantly higher than that of control eyes, but decreased by 6 months. Further studies are needed to determine whether CRVO treatments such as intravitreal injection or panretinal photocoagulation affect choroid hemodynamics.
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KEYWORD
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Central retinal vein occlusion, Choroidal vascularity index
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