Perinatal Risk Factors for the Retinopathy of Prematurity in Postnatal Growth and Rop Study

Gui-Shuang Ying1, Edward F Bell2, Pamela Donohue3

  • 1a Department of Ophthalmology , Scheie Eye Institute, University of Pennsylvania , Philadelphia , Pennsylvania , USA.

Insights

Retinopathy of prematurity (ROP) risk is primarily linked to how early an infant is born, specifically birth weight and gestational age. Other perinatal factors play a minor role in ROP development.

Area of Science:

  • Neonatal ophthalmology
  • Perinatal medicine
  • Public health

Background:

  • Retinopathy of prematurity (ROP) is a significant cause of visual impairment in premature infants.
  • Identifying perinatal risk factors is crucial for targeted ROP screening and prevention strategies.

Purpose of the Study:

  • To evaluate perinatal risk factors associated with retinopathy of prematurity (ROP) in a large cohort of premature infants.
  • To determine the predictive value of identified risk factors for ROP development and severity.

Main Methods:

  • Secondary analysis of the retrospective G-ROP Study cohort, including 7483 premature infants from 29 North American hospitals (2006-2012).
  • Multivariable logistic regression was used to identify significant risk factors for any ROP and severe ROP.
  • Area Under the Receiver Operating Characteristic Curve (AUC) was calculated to assess predictive accuracy.

Main Results:

  • 43.1% of infants had any ROP, and 12.4% had severe ROP.
  • Key risk factors for any ROP included lower birth weight (BW), younger gestational age (GA), lower Apgar score, White race, outborn status, and delivery room intubation.
  • Lower BW and younger GA were the dominant predictors for both any ROP (AUC=0.86) and severe ROP (AUC=0.88).

Conclusions:

  • Prematurity, indicated by low birth weight and young gestational age, is the predominant determinant of ROP risk.
  • While other perinatal factors contribute, their impact on ROP development is minimal compared to the degree of prematurity.
  • Findings support current ROP screening guidelines emphasizing infants born at the earliest gestational ages.

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