Population‐based study shows improved postnatal growth in preterm very‐low‐birthweight infants between 1995 and 2010

Aim To assess whether the postnatal growth of preterm very‐low‐birthweight (VLBW) infants, as determined by measures of postnatal growth failure (PNGF), improved during the period 1995–2010 and to evaluate postnatal growth by gestational age (GA) and intrauterine growth groups. Methods The study was...

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Bibliographic Details
Published in:Acta Paediatrica 2014-05, Vol.103 (5), p.498-503
Main Authors: Ofek Shlomai, Noa, Reichman, Brian, Lerner‐Geva, Liat, Boyko, Valentina, Bar‐Oz, Benjamin
Format: Article
Language:English
Subjects:
Babies
Birth weight
Cohort Studies
Confidence intervals
Databases, Factual
Extrauterine growth restriction
Extrauterine growth retardation
Failure to Thrive - epidemiology
Female
Gestational Age
Humans
Infant, Newborn
Infant, Premature - growth & development
Infant, Very Low Birth Weight - growth & development
Israel - epidemiology
Logistic Models
Male
Postnatal growth failure
Preterm infants
Severity of Illness Index
Very low birthweight
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Summary:Aim To assess whether the postnatal growth of preterm very‐low‐birthweight (VLBW) infants, as determined by measures of postnatal growth failure (PNGF), improved during the period 1995–2010 and to evaluate postnatal growth by gestational age (GA) and intrauterine growth groups. Methods The study was based on the Israel national VLBW infant database and comprised 13 531 VLBW infants of 24–32 weeks' GA, discharged at a postmenstrual age of ≤40 weeks. Z‐scores were determined for weight at birth and discharge. Severe and mild PNGF was defined as a decrease >2 and 1–2 z‐scores, respectively. Three time periods were considered: 1995–2000, 2001–2005 and 2006–2010. Multinomial logistic regression was used to assess the independent effect of time period on PNGF. Results Severe PNGF decreased from 11.7% in 1995–2000 to 7.2% in 2001–2005 and 5.2% in 2006–2010. Infants born in 2006–2010 had sixfold lower odds for severe PNGF than babies born in 1995–2000 (adjusted odds ratio 0.17, 95% confidence interval 0.14–0.21) and
ISSN:0803-5253
1651-2227
DOI:10.1111/apa.12569