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Prophylactic antibiotics for inhibiting preterm labour with intact membranes


King, JF and Flenady, V and Murray, LJ, Prophylactic antibiotics for inhibiting preterm labour with intact membranes, The Cochrane Library, (2) Article CD000246. ISSN 1469-493X (2002) [Refereed Article]

Copyright Statement

Copyright 2011 The Cochrane Collaboration

DOI: doi:10.1002/14651858.CD000246


Background The contribution of subclinical genital tract infection to the aetiology of preterm birth is gaining increasing recognition, but the role of prophylactic antibiotic treatment in the management of preterm labour is uncertain. Since rupture of the membranes is an important factor in the progression of preterm labour, it is important to see if the routine administration of antibiotics confers any benefit, prior to membrane rupture. Objectives To assess the effects of prophylactic antibiotics administered to women in preterm labour with intact membranes, on maternal and neonatal outcomes. Search methods We searched the Cochrane Pregnancy and Childbirth Group’s Trials Register (May 2002), the Cochrane Controlled Trials Register (The Cochrane Library, Issue 1, 2002), MEDLINE (1965 to May 2002). Other sources included contacting recognised experts and cross referencing relevant material. We updated the search of the Cochrane Pregnancy and Childbirth Group’s Trials Register on 30 April 2010 and added the results to the awaiting classification section of the review. Selection criteria Randomised trials which compared antibiotic treatment with placebo or no treatment for women in preterm labour (between 20 and 36 weeks’ gestation) with intact membranes. Data collection and analysis Standard methods of the Cochrane Collaboration and the Cochrane Pregnancy and Childbirth Group were used. Evaluation of methodological quality and trial data extraction were undertaken independently by the authors. Results are presented using relative risk for categorical data and weighted mean difference for continuous data. Main results This review has been updated (2002) to include data from the ’ORACLE II 2001’ trial (six times larger than the previous 10 trials combined), which now dominates the results of this review. Meta-analysis of the 11 included trials (7428 women enrolled) shows a reduction in maternal infection with the use of prophylactic antibiotics (relative risk 0.74, 95% confidence interval 0.64 to 0.87) but fails to demonstrate a benefit or harm for any of the prespecified neonatal outcomes. Authors’ conclusions This review fails to demonstrate a clear overall benefit from prophylactic antibiotic treatment for pretermlabour with intact membranes on neonatal outcomes and raises concerns about increased neonatal mortality for those who received antibiotics. This treatment cannot therefore be currently recommended for routine practice. Further research may be justified (when sensitive markers for subclinical infection become available) in order to determine if there is a subgroup ofwomenwho could experience benefit fromantibiotic treatment for preterm labour prior to membrane rupture, and to identify which antibiotic or combination of antibiotics is most effective.

Item Details

Item Type:Refereed Article
Keywords:antibiotics preterm labour
Research Division:Health Sciences
Research Group:Epidemiology
Research Field:Epidemiology not elsewhere classified
Objective Division:Health
Objective Group:Specific population health (excl. Indigenous health)
Objective Field:Women's and maternal health
UTAS Author:Murray, LJ (Dr Linda Murray)
ID Code:86909
Year Published:2002
Deposited By:Medicine
Deposited On:2013-10-31
Last Modified:2014-08-26

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