Three-year outcomes of cystotomy for cystoid macular edema secondary to retinal vein occlusion

by Yasuyuki Sotani, Hisanori Imai, Hiroko Yamada, Akiko Miki, Makoto Nakamura

This retrospective observational study evaluated the three-year clinical outcomes of cystotomy for managing refractory cystoid macular edema (CME) secondary to retinal vein occlusion (RVO). A total of 23 eyes from 23 patients (10 males, 13 females) with CME secondary to RVO (RVO-ME) who underwent cystotomy at Kobe University Hospital between September 2014 and July 2021 were reviewed, with a minimum follow-up of 3 years. Clinical parameters such as age, sex, best-corrected visual acuity (BCVA), central retinal thickness (CRT), number of treatments (anti-vascular endothelial growth factor injections, sub-Tenon triamcinolone acetonide injections, microaneurysm photocoagulation, and pars plana vitrectomy), number of outpatient visits, presence of fibrinogen clot removal, and recurrence were retrospectively analyzed. The mean age was 72.3 ± 10.3 years. Mean BCVA improved from 0.33 ± 0.24 logarithm of the minimum angle of resolution preoperatively to 0.21 ± 0.22 at 3 years (p