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Created on : 08 Mar 2004
Modified on : 02 Dec 2007

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Bibliographical entry (without author) :

Do routinely measured delivery variables predict anal sphincter outcome? Dis Colon Rectum. 1999 Oct;42(10):1261-4.

Author(s) :

Varma A, Gunn J, Lindow SW, Duthie GS.

Year of publication :

1999

URL(s) :

http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=…

Résumé (français)  :

Abstract (English)  :

PURPOSE: Trauma to the anal sphincter is a recognized complication of primiparous childbirth. This damage may be compounded during subsequent deliveries leading to symptoms. Earlier work is inconclusive as to which delivery variables are associated with such damage and may prove useful in predicting its occurrence, thereby allowing the potential for intervention in these later deliveries to protect the traumatized anal sphincter. The purpose of the present study was to determine whether routinely recorded obstetric variables can be correlated to anal sphincter damage in a consecutive series of females.

METHODS: A prospective study was undertaken in a single maternity unit. Patients delivering were assessed before discharge using a symptom questionnaire and endoanal ultrasound. Delivery data were collected prospectively and analyzed statistically to see if a significant difference existed in the presence of an anal sphincter defect.

RESULTS: A total of 159 patients were assessed. Endosonography revealed sphincter injuries in 8.7 percent of the normal vaginal delivery group and 83 percent of the forceps delivery group. No correlation was found between head circumference, baby weight, maternal body mass index, epidurals, episiotomy, length of each stage of labor, and duration of active pushing. Forceps delivery was the only factor to be significantly associated with sphincter trauma.

CONCLUSION: Besides forceps delivery, commonly measured delivery variables are not useful predictors of anal sphincter trauma. Normal vaginal deliveries do not warrant routine postnatal anorectal assessment, but this should be routine for all instrument deliveries.

Sumário (português)  :

Resumen (español)  :

Comments :

Argument (français) :

Argument (English):

Argumento (português):

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Keywords :

➡ evidence-based medicine/midwifery ; perineal/vaginal tears ; episiotomy ; epidural ; instrumental delivery ; forceps delivery

Author of this record :

Cécile Loup — 08 Mar 2004