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SIGNIFICANT REDUCTION OF PERIPAPILLARY CHOROIDAL THICKNESS IN PATIENTS WITH UNILATERAL BRANCH RETINAL VEIN OCCLUSION

Kang, Hae, Min, MD*,†; Choi, Jeong, Hoon, MD; Koh, Hyoung, Jun, MD, PhD; Lee, Christopher, Seungkyu, MD, PhD; Lee, Sung, Chul, MD, PhD

doi: 10.1097/IAE.0000000000001495
Original Study
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Purpose: To evaluate changes in peripapillary choroidal thickness in patients with branch retinal vein occlusion (BRVO) over 12 months, using spectral-domain optical coherence tomography with enhanced depth imaging.

Methods: This retrospective, interventional case series included 20 treatment-naive patients with unilateral BRVO with at least 12 months follow-up. The peripapillary choroidal thickness was measured over 12 months.

Results: In BRVO-affected eyes, the mean peripapillary choroidal thickness was 213.5 ± 51.7 μm (126.1[FIGURE DASH]326.9 μm) at baseline and 129.6 ± 39.3 μm (65.9[FIGURE DASH]197.1 μm) at 12 months. In nonaffected contralateral eyes, the mean peripapillary choroidal thickness was 194.1 ± 39.8 μm (158.5[FIGURE DASH]238.3 μm) at baseline and 156.6 ± 56.2 μm (125.9[FIGURE DASH]213.9 μm) at 12 months. The mean peripapillary choroidal thickness decreased significantly over 12 months in both BRVO-affected and nonaffected eyes (P < 0.001, both eyes). Although the mean peripapillary choroidal thickness was not significantly different between groups at baseline (P = 0.472), it was significantly lower in BRVO-affected eyes than in nonaffected eyes at 12 months (P = 0.036).

Conclusion: Peripapillary choroidal thickness decreased significantly over 12 months in BRVO-affected eyes and nonaffected eyes in patients with unilateral BRVO.

In patients with unilateral branch retinal vein occlusion, the mean peripapillary choroidal thickness decreased significantly over 12 months in both eyes, and the reduction was significantly greater in the affected eyes.

*Department of Ophthalmology, Catholic Kwandong University College of Medicine, International St. Mary's Hospital, Incheon, Republic of Korea;

Department of Ophthalmology, Institute of Vision Research, Yonsei University College of Medicine, Seoul, Republic of Korea; and

Department of Ophthalmology, Armed Forces Capital Hospital, Seongnam, Republic of Korea.

Reprint requests: Hae Min Kang, MD, Department of Ophthalmology, Catholic Kwandong University College of Medicine, International St. Mary's Hospital, 100 Simgok-ro, Seo-gu, Inchoen 404-190, Republic of Korea; e-mail: liebe05@naver.com

Supported by research fund of Catholic Kwandong University International St. Mary's Hospital (CKURF-201601240001).

None of the authors has any conflicting interests to disclose.

Designed and conducted the study (H.M.K. and J.H.C.); collected the data (H.M.K.); managed, analyzed, and interpreted data (H.M.K., J.H.C., H.J.K., C.S.L., and S.C.L.); prepared, reviewed, and approved the manuscript (H.M.K., J.H.C., H.J.K., C.S.L., and S.C.L.).

© 2018 by Ophthalmic Communications Society, Inc.