Journal
JOURNAL DE GYNECOLOGIE OBSTETRIQUE ET BIOLOGIE DE LA REPRODUCTION
Volume 44, Issue 9, Pages 802-811Publisher
ELSEVIER MASSON, CORPORATION OFFICE
DOI: 10.1016/j.jgyn.2015.06.005
Keywords
Anal sphincter injury; Third and fourth degree tear; Anal incontinence; Pelvic floor rehabilitation; Surgery
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This was a comprehensive literature review using Pubmed, Medline, Embase and Cochrane, whose aim was to analyse the prevalence of anal sphincter injuries, their risk factors, their management and their functional prognosis. The prevalence of 3rd and 4th degree perineal tears varies between studies from 2.95% regardless the parity to 25% in nulliparous women. Twenty-eight percent to 48% of these lacerations were clinically occult. Perineal tears were associated with (multivariate. analysis) forceps (6.021 [IC 95% 1.23-19.45]), nulliparity (OR 9.8 [IC 95% 3.6-26.2]), gestational age over 42 SA (OR 2.5 [IC 95% 1-6.2]), fundal pressure (OR 4.6 [IC 95% 2.3-7.9]), midline episiotomy (OR 5.5 [IC 95% 1.4-18.7]) or fetal weight in interval of 250g (OR 1.3 [IC 95% 1.1-1.6]). There was no difference between the sphincter repair techniques. Post-partum laxative use showed less painful bowel motion and earlier postnatal discharge. Data concerning rehabilitation were contradictory. The rate of anal incontinence 6 months after vaginal delivery were 3.6% following third degree of perineal tear and 30.8% in case of fourth degree of perineal tear. Thirty years after anal sphincter disruption, the prevalence of fecal incontinence reached 6.9%. (C) 2015 Elsevier Masson SAS. All rights reserved.
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