Abstract
Objective:
To determine whether an association exists between antenatal antibiotic exposure and incidence of necrotizing enterocolitis (NEC) in low birth weight infants.
Study Design:
A retrospective case-control study was performed on all infants with a diagnosis of NEC born at our institition between 1988 and 2006. Medical histories of all infants with a diagnosis of NEC ⩾Bell's stage IIA and matched controls without NEC were reviewed. Maternal and neonatal characteristics were compared using the Mantel-Haenszel chi-square procedure, and logistic regression models were constructed to account for confounding.
Result:
Clinical data for 97 matched pairs were analyzed. The adjusted odds ratio (OR) for antenatal exposure to ampicillin was significantly greater for infants who developed NEC (OR 2.3, 95% confidence interval 1.1, 4.8, P=0.003) than for control infants.
Conclusion:
Infants who developed NEC were more likely to have a history of in utero exposure to ampicillin in the immediate antepartum period than infants who did not develop NEC.
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Weintraub, A., Ferrara, L., Deluca, L. et al. Antenatal antibiotic exposure in preterm infants with necrotizing enterocolitis. J Perinatol 32, 705–709 (2012). https://doi.org/10.1038/jp.2011.180
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DOI: https://doi.org/10.1038/jp.2011.180
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