Anal sphincter function and integrity after primary repair of third-degree tear: Uncontrolled prospective analysis.

Nicholas Rieger, Shevy Perera, Jacqueline Stephens, Donna Coates, Darren Po

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

Background:  The purpose of the present paper was to determine the anatomical integrity and functional effect of a tear to the anal sphincter in women after vaginal delivery.

Methods:  A prospective review of third- and fourth-degree vaginal tears over a 3 year period at Lyell McEwin and Queen Elizabeth Hospitals, Adelaide. Obstetric details were obtained from the records. All were counselled by a continence advisor and offered consultation with a colorectal surgeon. The integrity of the anal sphincter was assessed by endoanal ultrasound.

Results:  During the study period there were 6875 vaginal deliveries. There were 89 women (1.3%) who had a third- or fourth-degree tear. Fifty-one (57%) agreed to participate. Primiparity (67%), episiotomy (49%), forceps delivery (29%) and instrumental delivery were common in women sustaining a tear. Symptoms of anal incontinence (mild) or faecal urgency were described in 23 women (45%). Except for three women with an anovaginal fistula none required surgery for the management of faecal incontinence. A sphincter defect was seen in 27 women (53%) on endoanal ultrasound. The presence or absence of a sphincter defect was not significantly associated with symptoms but a trend was suggested (χ2 = 3.21; P = 0.07).

Conclusions:  Third-degree tear after vaginal delivery was a significant intrapartum event, yet associated only with minimal symptoms (excluding patients with anovaginal fistula) even in the presence of a sphincter defect on anal ultrasound.
Original languageEnglish
Pages (from-to)122-124
Number of pages4
JournalANZ Journal of Surgery
Volume74
Issue number3
DOIs
Publication statusPublished - Mar 2004
Externally publishedYes

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