Prevalence and associated risk factors of retinopathy of prematurity in preterm infants with gestational age ≤34 weeks

WANG Xiaokang; LIANG Yifei; ZHU Yanping

doi:10.11852/zgetbjzz2023-0582

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Chinese Journal of Child Health Care ›› 2024, Vol. 32 ›› Issue (2) : 187-190. DOI: 10.11852/zgetbjzz2023-0582

Clinical Research

Prevalence and associated risk factors of retinopathy of prematurity in preterm infants with gestational age ≤34 weeks

WANG Xiaokang¹, LIANG Yifei², ZHU Yanping¹

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Abstract

Objective To understand the prevalence of retinopathy (ROP) in preterm infants with gestational age ≤34 weeks in the First Affiliated Hospital of Xinjiang Medical University, and to analyze the associated risk factors, so as to provide a basis for early screening of high-risk premature infants. Methods A retrospective analysis was conducted on the relevant case data of hospitalized premature infants with gestational age ≤34 weeks in neonatal intensive care unit (NICU) of the First Affiliated Hospital of Xinjiang Medical University from June 2015 to June 2020. Infants were divided into ROP group and non-ROP group based on the results of fundus screening. Relevant data were collected to analyze the relevant risk factors for ROP in premature infants. Result A total of 1 738 premature infants with gestational age ≤34 weeks were included, with 292 cases (16.8%) in ROP group and 1 446 cases in non-ROP group. Logistic regression analysis revealed that bronchopulmonary dysplasia(BPD) (OR=3.379, 95%CI:1.835 - 6.221), anemia (OR=7.388, 95%CI: 4.262 - 12.806), receiving blood transfusion treatment (OR=2.129, 95%CI: 1.278 - 3.547), oxygen requirement time >7 days (OR=3.429, 95%CI: 2.309 - 5.094), and the fraction of inspired oxygen greater than 40% (OR=2.541, 95%CI: 1.540 - 4.193) were independent risk factors for the occurrence of ROP. Among these patients, 167 eyes (103 patients) received treatment of ROP, including 108 eyes treated with intraocular injection of Rizumab, 35 eyes treated with fundus laser, and 24 eyes treated with combination of both. All patients had acceptable outcomes during the follow-up. Conclusions Premature infants with anemia, BPD, receiving blood transfusion treatment, oxygen requirement time >7 days, and the fraction of inspired oxygen >40% are at high risk of developing ROP. Standardized fundus screening and timely treatment measures are essential to reduce the risk of visual impairment in premature infants.

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premature infants / retinopathy of prematurity / anemia / bronchopulmonary

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WANG Xiaokang, LIANG Yifei, ZHU Yanping. Prevalence and associated risk factors of retinopathy of prematurity in preterm infants with gestational age ≤34 weeks[J]. Chinese Journal of Child Health Care. 2024, 32(2): 187-190 https://doi.org/10.11852/zgetbjzz2023-0582

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