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Original Articles

A study on incidence and associated factors of retinopathy of prematurity in a tertiary care setting in Sri Lanka

Authors:

Indika Liyanage ,

Castle Street Hospital for Women, Sri Lanka,, LK
About Indika
Senior Registrar in Neonatology, Castle Street Hospital for Women, Sri Lanka, 
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K S Y Perera,

Sri Jayawardenepura General Hospital, Sri Lanka,, LK
About K S Y
Medical Officer, Sri Jayawardenepura General Hospital, Sri Lanka, 
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Medha Weerasekera

Sri Jayawardenepura General Hospital, Sri Lanka, LK
About Medha
Consultant Neonatologist, Sri Jayawardenepura General Hospital, Sri Lanka
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Abstract

Introduction: Retinopathy of prematurity (ROP) chiefly affects preterm infants. With the increased survival of extremely preterm infants, the number of infants with severe ROP has also increased. 

Objective: To assess the incidence, associated factors and outcome of ROP in neonates born at less than 34 weeks of gestation and/or less than 1.5 kg birth weight in Sri Jayawardenepura General Hospital 

Method: A prospective, descriptive, observational study was conducted in neonates born from 01/01/2014 to 31/12/2014, who were less than 34 weeks of gestation and/or less than 1.5 kg birth weight. Data was collected from patient records. Incidence estimates were given using descriptive statistics. For bivariate analysis (where associated factors were considered), the Chi Square test was applied to assess significant associations. The level of significance was 0.05. 

Results: Of 126 neonates, 113 were included in study as 11 met exclusion criteria and 2 dropped out during follow up. Twenty eight (24.8%) neonates had ROP of whom 12 (42.9%) needed treatment. Study revealed that, earlier the gestation and lower the birth weight, ROP was more commonly observed. Patent ductus arteriosus (PDA) (p=0.006), sepsis (p=0.024), invasive ventilation for 7 or more days (p=0.0001) and supplementary oxygen for more than 7 days (p=0.0001) were significantly associated with development of ROP. 

Conclusions: Incidence of ROP at Sri Jayawardenapura General Hospital in 2014 was 248/1000 live births of neonates less than 34 weeks gestation and/or birth weight less than 1.5 kg. PDA, sepsis, invasive ventilation for more than 7 days and oxygen supplementation for more than 7 days were significantly associated with occurrence of ROP.

Sri Lanka Journal of Child Health, 2017; 46(4): 322-325

How to Cite: Liyanage, I., Perera, K.S.Y. & Weerasekera, M., (2017). A study on incidence and associated factors of retinopathy of prematurity in a tertiary care setting in Sri Lanka. Sri Lanka Journal of Child Health. 46(4), pp.322–325. DOI: http://doi.org/10.4038/sljch.v46i4.8378
Published on 01 Dec 2017.
Peer Reviewed

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