Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/36391
Title: Incidence and risk factors for retinopathy of prematurity in extreme low birth weight Chinese infants
Authors: Yau, GSK
Lee, JWY
Tam, VTY
Liu, CCL 
Chu, BCY
Yuen, CYF
Keywords: Chinese
Extreme low birth weight
Retinopathy of prematurity
Risk factors
ROP
Issue Date: 2015
Publisher: Springer
Source: International ophthalmology, 2015, v. 35, no. 3, p. 365-373 How to cite?
Journal: International ophthalmology 
Abstract: The objective of this study is to determine the incidence and risk factors of retinopathy of prematurity (ROP) in extremely low birth weight (ELBW) Chinese infants. A retrospective medical record review of all ELBW (≤1,000 g) neonates screened for ROP from 2007 to 2012 was performed in Hong Kong. ROP screening was conducted at 2 neonatal intensive care units by 3 pediatric ophthalmologists using the Royal College of Ophthalmologists ROP guideline and the International Classification of ROP. Maternal and neonatal covariates were analyzed using univariate and multivariate regression analyses for both ROP and Type 1 ROP. In 131 ELBW Chinese infants, the mean gestational age (GA) and birth weight (BW) were 27.3 ± 3.3 weeks and 806.9 ± 133.7 g, respectively. The incidence of ROP and Type 1 ROP was 53.4 and 14.5 %, respectively. For ROP, a lighter BW, smaller GA, vaginal delivery, postnatal hypotension, inotrope use, bronchopulmonary dysplasia, surfactant use, invasive mechanical ventilation, and supplementary oxygen were independent risk factors for ROP, while PET was protective (P ≤ 0.02). On multivariate analysis, a smaller GA was a risk factor, while PET and congenital heart disease were protective for ROP development (P ≤ 0.01). For Type 1 ROP, a lighter BW, smaller GA, surfactant use, and invasive mechanical ventilation were independent risk factors for ROP, while PET was protective (P ≤ 0.02). There were no significant covariates on multivariate analysis for Type 1 ROP. In ELBW, preterm Chinese infants, a smaller GA was a risk factor for ROP, while PET and congenital heart disease were protective for ROP development in multivariate analysis.
URI: http://hdl.handle.net/10397/36391
ISSN: 0165-5701
DOI: 10.1007/s10792-014-9956-2
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