Clinical features of infants treated for severe retinopathy of prematurity: 8-yearstudy from a large tertiary neonatal intensive care unit in Turkey

Authors: ZÜHAL ÖZEN TUNAY, ÖZDEMİR ÖZDEMİR, DAMLA ERGİNTÜRK ACAR, İKBAL SEZA PETRİÇLİ, ŞERİFE SUNA OĞUZ

Abstract: Background/aim: The aim of this study was to report the gestational age (GA) and birth weight (BW) distribution of premature babies who needed treatment for retinopathy of prematurity (ROP) and to assess the timing of the treatment. Materials and methods: The records of 9008 infants who were screened for ROP were examined and 556 infants who underwent laser therapy for ROP were reviewed. Sex, GA, BW, postnatal age, and postmenstrual (PM) age at the time of laser therapy were recorded. The babies were classified as in-born (Group 1) and out-born infants (Group 2). Results: The mean GA was 27.3 weeks (range: 22-33 weeks) and the mean BW was 991.1 g (range: 520-2160 g). Of the treated infants, 7.0% were born later than 32 weeks and 8.3% were born over 1500 g. The mean postnatal age was 9.48 weeks (range: 5-22 weeks) and the mean PM age was 36.72 weeks (range: 29-48 weeks) at the time of treatment. Mean BWs and GAs were significantly higher and the mean postnatal age at the time of laser therapy was significantly earlier in Group 2. Conclusion: Infants with severe ROP had a wider range of BWs and GAs compared to those from developed countries and earlier treatment was needed for out-born infants.

Keywords: Laser photocoagulation, retinopathy of prematurity, screening

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