Ranibizumab injection and laser photocoagulation to treat type 1 retinopathy of prematurity after 40 weeks post menstrual age: a retrospective case series study

BMC Ophthalmology
Jiao LyuPeiquan Zhao

Abstract

Type 1 retinopathy of prematurity (ROP) is occasionally observed in preterm infants after the postmenstrual age (PMA) of 40 weeks; however, evidence-based treatment guidelines are largely lacking. In this study, we report the clinical characteristics of preterm infants with type 1 ROP at PMA of > 40 weeks and compare the treatment outcomes of intravitreal ranibizumab (IVR) and laser therapy. Twenty-seven eyes of 14 infants, primarily treated for type 1 ROP after 40 weeks PMA by IVR (17 eyes in 9 infants) or by laser photocoagulation (10 eyes in 5 infants) were included in this retrospective analysis. The preoperative fundus characteristics and the structural outcomes and additional treatment after 6 months were analyzed. Of the 27 eyes, 20 eyes (74%) had zone II stage 3 plus disease (+) ROP and 7 eyes had zone II stage 2 + ROP. Seventeen (63%) eyes showed thick fibrous ridges. After primary treatment at 40-48 weeks PMA, ROP regression was observed in a similar proportion of eyes in the IVR and laser groups (88% vs. 70%; p = 0.326); complete vascularization was observed in 24% eyes in the IVR group. Compared to laser group, a higher proportion of eyes in IVR group received additional treatment (IVR group 76% vs. laser group 30%;...Continue Reading

References

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Mar 23, 2017·Investigative Ophthalmology & Visual Science·Jiao LyuPei-Quan Zhao

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