Enteral antibiotics for preventing necrotizing enterocolitis in low birthweight or preterm infants - PubMed (original) (raw)

Review

Enteral antibiotics for preventing necrotizing enterocolitis in low birthweight or preterm infants

R G Bury et al. Cochrane Database Syst Rev. 2001.

Abstract

Background: Necrotizing enterocolitis continues to be a problem, particularly in preterm neonates. There have been reports published suggesting that the use of enteral antibiotics may be effective as prophylaxis. This systematic review was undertaken to clarify the issue.

Objectives: To evaluate the benefits and harms of enteral antibiotic prophylaxis for necrotizing enterocolitis in low birth weight and preterm infants.

Search strategy: Searches were made of the Oxford Database of Perinatal trials, MEDLINE (1966 - June 2000; search terms: necrotizing enterocolitis, antibiotics; limits: newborn infant), previous reviews with cross references, abstracts, conference and symposia proceedings, expert informants and journal hand searching in the fields of neonatal pediatrics and microbiology.

Selection criteria: All randomized or quasi-randomized controlled trials where enteral antibiotics were used as prophylaxis against NEC in LBW (<2500g) and/or preterm (<37 weeks gestation) infants.

Data collection and analysis: The standard method of the Cochrane Collaboration and its Neonatal Review Group was used. The methodological quality of each trial was reviewed by the second author who was blinded to the trial authors and institutions. Each author extracted data separately before comparison and resolution of differences. Relative risk (RR), risk difference (RD), and number needed to treat were used in the analysis.

Main results: Five eligible trials involving 456 infants were included. The administration of prophylactic enteral antibiotics resulted in a statistically significant reduction in NEC [RR 0.47 (0.28, 0.78); RD -0.10 (-0.16, -0.04); NNT 10 (6, 25)]. There was a statistically significant reduction in NEC-related deaths [RR 0.32 (0.10, 0.96); RD -0.07 (-0.13, 0.01); NNT 14 (8, 100)]. There was a trend towards a reduction in all deaths which was not significant [RR 0.67(0.34, 1.32)]. There were no significant differences in NEC-like enteropathies (one trial only). One study found a statistically significant increase in the incidence of colonization with resistant bacteria and the summary analysis of three trials gave an increase which was just significant [RR 1.73 (1.00, 2.97); RD 0.07 (0.00, 0.13)].

Reviewer's conclusions: Evidence suggests that oral antibiotics reduce the incidence of NEC in low birth weight infants. However concerns about adverse outcomes persist, particularly related to the development of resistant bacteria. To address this question further, a large trial would be required with a sample size sufficient to examine all the important benefits and harms. Adverse outcomes associated with infection should be evaluated, and microbiological studies looking for the development of resistant bacteria should be undertaken

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Enteral antibiotics for preventing necrotising enterocolitis in low birthweight or preterm infants.
Bury RG, Tudehope D. Bury RG, et al. Cochrane Database Syst Rev. 2000;2001(2):CD000405. doi: 10.1002/14651858.CD000405. Cochrane Database Syst Rev. 2000. PMID: 10796202 Free PMC article. Updated. Review.

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Enteral antibiotics for preventing necrotizing enterocolitis in low birthweight or preterm infants - PubMed (original) (raw)