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Retinopathy of Prematurity in 7 Neonatal Units in Rio de Janeiro: Screening Criteria and Workload Implications

2010; American Academy of Pediatrics; Volume: 126; Issue: 2 Linguagem: Inglês

10.1542/peds.2010-0090

1098-4275

Andréa Zin, Maria Elisabeth Lopes Moreira, Catey Bunce, Brian A. Darlow, Clare Gilbert,

Neonatal Health and Biochemistry

OBJECTIVES: The goals were to determine optimal screening criteria for retinopathy of prematurity (ROP) in 7 neonatal units in Rio de Janeiro, Brazil, and to explore the workload implications of applying different criteria. METHODS: Infants with birth weights of ≤2000 g or gestational age of <37 weeks were examined by 3 ophthalmologists in 7 of the largest units in Rio de Janeiro, during a 34-month period. ROP was classified by using the international classification, and laser treatment was given to infants developing type 1 ROP. RESULTS: A total of 3437 (87%) of 3953 eligible infants were examined, of whom 124 (3.6% [range: 2.1%–7.8%]) were treated. Eleven infants were treated for aggressive posterior ROP. Appropriate screening criteria for the 2 NICUs with high survival rates (ie, ≥80% among infants with birth weights of <1500 g) would be ≤1500 g or <32 weeks. For NICUs with low survival rates (ie, <80%), appropriate criteria would be ≤1500 g or ≤35 weeks. UK, US, and previous Brazilian criteria would all miss infants needing treatment. CONCLUSIONS: ROP programs in Brazil should use the wider criteria of ≤1500 g or ≤35 weeks until further evidence-based criteria become available, although this would mean a slight increase in workload across the city, compared with use of the narrower criteria in the better units. Whether survival rates can be used as a proxy to indicate screening criteria requires further investigation.