Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/117116
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Type: Journal article
Title: Atosiban versus fenoterol as a uterine relaxant for external cephalic version: randomised controlled trial
Author: Velzel, J.
Vlemmix, F.
Opmeer, B.
Molkenboer, J.
Verhoeven, C.
Van Pampus, M.
Papatsonis, D.
Bais, J.
Vollebregt, K.
Van Der Esch, L.
Van Der Post, J.
Mol, B.
Kok, M.
Citation: BMJ: British Medical Journal, 2017; 356:1-6
Publisher: BMJ
Issue Date: 2017
ISSN: 0959-8146
1756-1833
Statement of
Responsibility: 
Joost Velzel, Floortje Vlemmix, Brent C Opmeer, Jan F M Molkenboer, Corine J Verhoeven, Mariëlle G van Pampus, Dimitri N M Papatsonis, Joke M J Bais, Karlijn C Vollebregt, Liesbeth van der Esch, Joris A M Van der Post, Ben Willem Mol, Marjolein Kok
Abstract: Objective, To compare the effectiveness of the oxytocin receptor antagonist atosiban with the beta mimetic fenoterol as uterine relaxants in women undergoing external cephalic version, ECV, for breech presentation. Design, Multicentre, open label, randomised controlled trial. Setting, Eight hospitals in the Netherlands, August, to May, . Participants, women with a singleton fetus in breech presentation and a gestational age of more than, weeks were randomly allocated in a, ratio to either, ., mg atosiban, n, or, μg fenoterol, n, intravenously for uterine relaxation before ECV. Main outcome measures, The primary outcome measures were a fetus in cephalic position, minutes after the procedure and cephalic presentation at delivery. Secondary outcome measures were mode of delivery, incidence of fetal and maternal complications, and drug related adverse events. All analyses were done on an intention-to-treat basis. Results, Cephalic position, minutes after ECV occurred significantly less in the atosiban group than in the fenoterol group, v, relative risk, ., confidence interval, ., to, ., . Presentation at birth was cephalic in, n, of the atosiban group and, n, of the fenoterol group, ., ., to, ., and caesarean delivery was performed in, n, of women in the atosiban group and, n, in the fenoterol group, ., ., to, ., . No significant differences were found in neonatal outcomes or drug related adverse events. Conclusions, In women undergoing ECV for breech presentation, uterine relaxation with fenoterol increases the rate of cephalic presentation, minutes after the procedure. No statistically significant difference was found for cephalic presentation at delivery.
Keywords: Humans
Breech Presentation
Fenoterol
Vasotocin
Tocolytic Agents
Pregnancy Outcome
Cesarean Section
Version, Fetal
Pregnancy
Adult
Netherlands
Female
Rights: This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 3.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/3.0/.
DOI: 10.1136/bmj.i6773
Appears in Collections:Aurora harvest 3
Obstetrics and Gynaecology publications

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