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Iranian Journal of Pediatrics
Tehran University of Medical Sciences Press
ISSN: 1018-4406
EISSN: 1018-4406
Vol. 18, No. 2, 2008, pp. 137-142
Bioline Code: pe08021
Full paper language: English
Document type: Research Article
Document available free of charge

Iranian Journal of Pediatrics, Vol. 18, No. 2, 2008, pp. 137-142

 en Retinopathy of Prematurity among 1000-2000 gram Birth Weight Newborn Infants
Khatami, Seyedeh Fatemeh; Yousefi, Azizollah; Bayat, Gholamali Fatahi & Mamuri, Gholamali

Abstract

Objective: The goal of this study was to identify the risk factors of retinopathy of prematurity (ROP) in neonatal intensive care unitin preterm infants born with birth weight 1000-2000g or at gestational age less than 34 weeks.
Material & Methods: From August 2000 to December 2001, 50 preterm newborn infants with birth weights less than 2000 g or gestational age less than 34 weeks admitted to the NICU were studied. Newborn infants with birth weight between 1200-2000g who received more than 6 hours oxygen and newborn infants with birth weight 1000-1200 g regardless of oxygen therapy, who survived until 4 weeks postnatal, were enrolled and followed. Patients underwent indirect ophthalmologic examination by two ophthalmologists between 4-8 weeks post partum. The newborn infants who had ROP were assigned to case group and those without ROP to control group, both groups were reexamined every 2-4 weeks or according to international classification of retinopathy of prematurity (ICROP) advice.
Findings: Fifty newborn infants, 36 (72%) in control group, 14 (28%) in case group, were studied. Gestational age and birth weight of the patients with ROP were significantly lower than those of control group. Duration of oxygen therapy, hyperoxia, acidosis, hypercarbia, hypocarbia and phototherapy are suggested as risk factors contributing to ROP.
Conclusion: The results of this study demonstrate that the ROP frequency remains elevated among premature and very low birth weight infants. Infants at risk for ROP should have screening eye examinations and proper treatment.

Keywords
Retinopathy; Prematurity; Low birth weight; Retrolental fibroplasia

 
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