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  • Title: Retinopathy of Prematurity Requiring Treatment Is Closely Related to Head Growth during Neonatal Intensive Care Unit Hospitalization in Very Low Birth Weight Infants.
    Author: Bae SP, Kim EK, Yun J, Yoon YM, Shin SH, Park SY.
    Journal: Neonatology; 2022; 119(2):176-183. PubMed ID: 35139511.
    Abstract:
    BACKGROUND: Retinopathy of prematurity (ROP) is caused by prenatal sensitization and postnatal insults to the immature retina. This process can be associated with the postnatal growth of preterm infants. We investigated whether ROP requiring treatment was associated with the postnatal growth failure of very low birth weight (VLBW) infants. METHOD: From a cohort of VLBW infants (birth weight <1,500 g) registered in the Korean Neonatal Network from January 2013 to December 2017, 3,133 infants with gestational age (GA) between 24 and 28 weeks were included in the study. Postnatal growth failure was defined when the change in each anthropometric z-score between birth and discharge was <10th percentile of the total population. Propensity score matching (PSM) at 1:1 was performed to match the distribution of GA and postnatal morbidities between infants with and without ROP requiring treatment. Prenatal factors and ROP were analyzed by conditional logistic regression. RESULTS: Of 3,133 enrolled infants, 624 (19.9%) were diagnosed with ROP requiring treatment. After PSM, ROP requiring treatment was associated with postnatal growth failure assessed by head circumference (adjusted odds ratio [aOR] 1.91, 95% confidence interval [CI] 1.18-3.09), but not weight (aOR 1.45, 95% CI 0.97-2.17) and length (aOR 1.21, 95% CI 0.81-1.82). CONCLUSION: ROP requiring treatment was associated with poor head circumference growth, not with weight and length. Our findings suggest that ROP requiring treatment and poor head growth during NICU hospitalization are fundamentally related.
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