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Created on : 02 Aug 2014
Modified on : 07 Nov 2018

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Bibliographical entry (without author) :

The effect of a mediolateral episiotomy during operative vaginal delivery on the risk of developing obstetrical anal sphincter injuries - American Journal of Obstetrics and Gynecology - Vol. 206, 5 - ISBN: 0002-9378 - p.404.e1-404.e5

Author(s) :

de Vogel, Joey; van der Leeuw-van Beek, Anneke; Gietelink, Dirk; Vujkovic, Marijana; de Leeuw, Jan Willem; van Bavel, Jeroen; Papatsonis, Dimitri

Year of publication :


URL(s) :…

Résumé (français)  :

Abstract (English)  :

The objective of the study was to evaluate the frequency of obstetrical anal sphincter injuries (OASIS) in women undergoing operative vaginal deliveries (OVD) and to assess whether a mediolateral episiotomy is protective for developing OASIS in these deliveries.

Study Design
We performed a retrospective cohort study. Maternal and obstetrical characteristics of the 2861 women who delivered liveborn infants by an OVD at term in the years 2001-2009 were extracted from a clinical obstetrics database and were analyzed in a logistic regression model.

The frequency of OASIS was 5.7%. Women with a mediolateral episiotomy were at significantly lower risk for OASIS compared with the women without a mediolateral episiotomy in case of an OVD (adjusted odds ratio, 0.17; 95% confidence interval, 0.12–0.24).

We found a 6-fold decreased odds for developing OASIS when a mediolateral episiotomy was performed in OVD. Therefore, we advocate the use of a mediolateral episiotomy in all operative vaginal deliveries to reduce the incidence of OASIS.

Sumário (português)  :

Resumen (español)  :

Full text (public) :

Comments :

Cet article est contredit par celui de Riethmuller :

Argument (français) :

Nous préconisons l’utilisation d’une épisiotomie médiolatérale dans tous les accouchements vaginaux opératoires afin de réduire l’incidence des lésions du sphincter anal.

Argument (English):

We advocate the use of a mediolateral episiotomy in all operative vaginal deliveries to reduce the incidence of obstetrical anal sphincter injuries.

Argumento (português):

Defendemos o uso de uma episiotomia mediolateral em todos os partos vaginais operatórios para reduzir a incidência de lesões do esfíncter anal.

Argumento (español):

Keywords :

➡ perineal/vaginal tears ; episiotomy

Author of this record :

Import 02/08/2014 — 02 Aug 2014
➡ latest update : Bernard Bel — 07 Nov 2018

Related records
Group ‘Discussion of épisiotomy and obstetrical tears
#2260   X. Fritel, J. -P. Schaal, A. Fauconnier, V. Bertrand, C. Levet, A. Pigné (2008). Troubles périnéaux quatre ans après le premier accouchement : comparaison entre épisiotomie restrictive et systématique. Journal de Gynécologie Obstétrique et Biologie de la Reproduction. Gynécologie Obstétrique & Fertilité. Volume 36, numéro 10, pages 991-997. ➡
#2258   JW de Leeuw, C de Wit, JPJA Kuijken, HW Bruinse (2007). Mediolateral episiotomy reduces the risk for anal sphincter injury during operative vaginal delivery. BJOG: An International Journal of Obstetrics & Gynaecology Volume 115 Issue 1, Pages 104 - 108 ➡
#2257   D. Riethmuller (2008). Épisiotomie et extraction instrumentale : la mise à mort des RPC du CNGOF ? À propos de l’article Mediolateral episiotomy reduces the risk for anal sphincter injury during operative vaginal delivery. BJOG 2008; 115:104—8 ➡ tps://
#755   J. W. de Leeuw, P. C. Struijk, M. E. Vierhout, H. C. S. Wallenburg (2001). Risk factors for third degree perineal ruptures during delivery. BJOG: An International Journal of Obstetrics and Gynaecology. Vol. 108 Issue 4 Page 383 April 2001 ➡
#566   Röckner G, Fianu-Jonasson A. (1999). Changed pattern in the use of episiotomy in Sweden. Br J Obstet Gynaecol. 1999 Feb;106(2):95-101. ➡
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