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[A study on risk factors of retinopathy of prematurity]
1Department of Ophthalmology, People's Hospital, Beijing Medical University.
Insights
Premature infants with lower birth weight and shorter gestation are at higher risk for retinopathy of prematurity (ROP). High oxygen concentration and prolonged oxygen therapy increase ROP incidence in newborns.
Area of Science:
- Neonatal ophthalmology
- Perinatal medicine
- Public health
Context:
- Retinopathy of prematurity (ROP) is a significant cause of visual impairment in premature infants.
- Understanding ROP risk factors is crucial for timely intervention and prevention strategies.
Purpose:
- To identify and statistically analyze the risk factors associated with the incidence of retinopathy of prematurity (ROP).
- To evaluate the correlation between various perinatal factors and ROP development in a cohort of premature and low birth weight infants.
Summary:
- A study examined 54 premature infants and 5 low birth weight full-term infants for retinopathy of prematurity (ROP).
- Key risk factors identified include lower body weight, shorter gestational age, higher oxygen concentration, and longer duration of oxygen administration.
- Incidences of ROP were significantly higher in infants with birth weight ≤ 1500 g, gestational age ≤ 32 weeks, oxygen concentration > 80%, and oxygen administration > 5 days.
- Factors such as the timing of oxygen administration and complications like asphyxia, intracranial hemorrhage, anemia, pneumonia, and blood transfusion did not show a significant effect on ROP incidence.
Impact:
- Findings highlight critical indicators for identifying high-risk neonates requiring closer monitoring for ROP.
- This research can inform clinical guidelines and resource allocation for neonatal intensive care units.
- Early identification of risk factors can lead to improved management protocols and potentially reduce the long-term visual impairment associated with ROP.
Abstract:
Ocular fundi of 54 premature infants (age of gestation < 37 weeks) and 5 full-term babies with low body weight (< 2500 g) were examined at the forth week after birth. According to the international classification of retinopathy of prematurity, they were diagnosed as retinopathy of prematurity (ROP). The risk factors of the incidence of ROP were statistically analyzed, respectively. The results show that the lower the body weight, the shorter the gestation, the higher the oxygen concentration, the longer the oxygen administration, the higher the incidence of ROP. The incidences of ROP in the following baby groups, the body weight at birth < or = 1500 g, gestational weeks < or = 32 weeks, the oxygen concentration administered > 80%, and the duration of persistent oxygen administration > 5 days are significantly higher than those in the corresponding respective other groups. It is also demonstrated that the duration of the first time of oxygen administration and the complications of the newborn babies such as asphyxia, intracranial hemorrhage, anemia, pneumonia and blood transfusion have no effects on the incidence of ROP.