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Created on : 22 Dec 2003
Modified on : 02 Dec 2007

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Bibliographical entry (without author) :

Amniotomy plus intravenous oxytocin for induction of labour. Cochrane Database Syst Rev. 2001;(3):CD003250.

Author(s) :

Howarth GR, Botha DJ.

Year of publication :

2001

URL(s) :

http://www.cochrane.org/cochrane/revabstr/AB003250…

Résumé (français)  :

Abstract (English)  :

BACKGROUND: Induction of labour is a common obstetric intervention. Amniotomy alone for induction of labour is reviewed separately and oxytocin alone for induction of labour is being prepared for inclusion in The Cochrane Library. This review will address the use of the combination of these two methods for induction of labour in the third trimester. This is one of a series of reviews of methods of cervical ripening and labour induction using standardised methodology.

OBJECTIVES: To determine, from the best available evidence, the efficacy and safety of amniotomy and intravenous oxytocin for third trimester induction of labour.

SEARCH STRATEGY: The Cochrane Pregnancy and Childbirth Group Trials Register, the Cochrane Controlled Trials Register and reference lists of articles were searched. Date of last search: May 2001.

SELECTION CRITERIA: The criteria for inclusion included the following: (1) clinical trials comparing amniotomy plus intravenous oxytocin used for third trimester cervical ripening or labour induction with placebo/no treatment or other methods listed above it on a predefined list of labour induction methods; (2) random allocation to the treatment or control group; (3) adequate allocation concealment; (4) violations of allocated management not sufficient to materially affect conclusions; (5) clinically meaningful outcome measures reported; (6) data available for analysis according to the random allocation; (7) missing data insufficient to materially affect the conclusions.

DATA COLLECTION AND ANALYSIS: Trial quality assessment and data extraction were done by both reviewers. A strategy was developed to deal with the large volume and complexity of trial data relating to labour induction. This involved a two-stage method of data extraction. The initial data extraction was done centrally, and incorporated into a series of primary reviews arranged by methods of induction of labour, following a standardised methodology. The data is to be extracted from the primary reviews into a series of secondary reviews, arranged by category of woman.

MAIN RESULTS: Seventeen trials involving 2566 women were included. Amniotomy and intravenous oxytocin were found to result in fewer women being undelivered vaginally at 24 hours than amniotomy alone (relative risk (RR) 0.03, 95% confidence intervals (CI) 0.001-0.49). This finding was based on the results of a single study of 100 women. As regards secondary results amniotomy and intravenous oxytocin resulted in significantly fewer instrumental vaginal deliveries than placebo (RR 0.18, CI 0.05-0.58). Amniotomy and intravenous oxytocin resulted in more postpartum haemorrhage than vaginal prostaglandins (RR 5.5, CI 1.26-24.07). Significantly more women were also dissatisfied with amniotomy and intravenous oxytocin when compared with vaginal prostaglandins, RR 53, CI 3.32-846.51.

REVIEWER’S CONCLUSIONS: Data on the effectiveness and safety of amniotomy and intravenous oxytocin are lacking. No recommendations for clinical practice can be made on the basis of this review. Amniotomy and intravenous oxytocin is a combination of two methods of induction of labour and both methods are utilised in clinical practice. If their use is to be continued it is important to compare the effectiveness and safety of these methods, and to define under which clinical circumstances one may be preferable to another.

Sumário (português)  :

Resumen (español)  :

Comments :

Je suis pas sure que c’est tout public, mais je mets systematiquement les
Cochrane Review en Tout public …

Argument (français) :

L’amniotomie associée aux ocytocines en intraveineuse pour le déclenchement multiplie par plis de cinq le risque d’hémorragie post-partum, en comparaison avec l’administration vaginale de prostaglandines.

Argument (English):

Argumento (português):

Argumento (español):

Keywords :

➡ evidence-based medicine/midwifery ; physiology ; hormones ; duration of labour ; induction of labor ; instrumental delivery ; oxytocin ; rupture of membranes ; active management of labor ; amniotomy ; postpartum hemorrhage ; post-term pregnancy

Author of this record :

Cécile Loup — 22 Dec 2003