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Outcome of ranibizumab injection for retinopathy of prematurity in the past decade Ryosuke Tachibana 1 , Sayuri Kochi 2 , Shinichi Okuma 2 , Masaaki Kikuchi 2 , Eriko Yoshioka 2 , Shinnosuke Akiyoshi 3 , Masahiko Yamaguchi 2 1Department of Ophthalmology, Sumitomo Bessi Hospital 2Department of Ophthalmology, Ehime Prefecture Central Hospital 3Department of Neonatology, Ehime Prefecture Central Hospital pp.1127-1133
Published Date 2022/8/15
DOI https://doi.org/10.11477/mf.1410214477
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Abstract Purpose:We retrospectively compared the efficacy of intravitreal ranibizumab(IVR)monotherapy with the efficacy of conventional photocoagulation(PC)therapy for retinopathy of prematurity(ROP)in the past decade.

Cases and method:Sixty eyes(30 infants)with primary IVR(median birth weight:769 g, median postmenstrual age:25.8 weeks)and 60 eyes(30 infants)with primary PC(median birth weight:746 g, median postmenstrual age:25.9 weeks)were enrolled. We compared the efficacy between IVR and PC, birth weight, postmenstrual age, treatment weeks, ROP characteristics, number of not needing retreatment until 6 months after primary treatment, and days of hospitalization. Additionally, we assessed the differences between retreatment(group F)or not(group S)in IVR group.

Results:Though systemic baseline characteristics, including birth weight and postmenstrual age, were well balanced between study groups, ROP characteristics were significantly different[stage 2;10:2, 3 mild;41:45, 3 moderate;3:7, 3 severe;0:2(IVR:PC, p=0.021), zone Ⅰ;2:2, posterior zone Ⅱ;31:18, anterior zone Ⅱ;27:40(IVR:PC, p=0.037)]. No significant difference was seen in the number of the patients who did not need retreatment between IVR and PC groups. There were significant differences in factors related to retreatment in the IVR group:intubation duration(days, S:F=29.0:39.0, p=0.008), vascular extension within posterior zone Ⅱ(%, S:F=47.9:83.3, p=0.049), and treatment weeks(weeks, S:F=36.6:33.5, p<0.001).

Conclusion:The efficacy of IVR was comparable with that of PC. Patients with a high risk of recurrence require careful follow-up.


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