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J AAPOS. 2000 Dec;4(6):343-7.

Poor postnatal weight gain: a risk factor for severe retinopathy of prematurity.

Author information

1
Departments of Ophthalmology, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-7040, USA. dkwallac@med.unc.edu

Abstract

PURPOSE:

This study aimed to investigate the relationship between rate of postnatal weight gain and severity of retinopathy of prematurity (ROP).

METHODS:

All infants (n = 111) screened for ROP at a single tertiary intensive care nursery over a 2-year period with an estimated gestational age of 30 weeks or less and follow-up to at least 42 weeks' postconception were included. The authors performed a retrospective review of records and statistical analysis of risk factors for ROP using multivariate analysis.

RESULTS:

Infants with severe (stage 3 or greater) ROP gained an average 10.9 g/kg per day in the first 6 weeks of life, compared to a mean of 9.6 g/kg per day for those with mild or no ROP (P =.04). By multiple regression, which included birth weight, gestational age, and 9 other reported risk factors, there was an association between rate of postnatal weight gain and severity of ROP (P =.02). By stepwise regression, 4 variables were associated with ROP severity: estimated gestational age at birth (P =.002), rate of postnatal weight gain (P = .0002), volume of transfused erythrocytes (P =.0001), and culture-proven sepsis (P = .02).

CONCLUSION:

Poor postnatal weight gain is a risk factor for the development of severe (stage 3 or greater) ROP. Ophthalmologists should take note of those infants who gain less than 50% of their birth weight in the first 6 weeks of life.

PMID:
11124668
DOI:
10.1067/mpa.2000.110342
[Indexed for MEDLINE]

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