Surgical interventions for posterior compartment prolapse and obstructed defecation symptoms: a systematic review with clinical practice recommendations
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Introduction and hypothesis
Several posterior compartment surgical approaches are used to address posterior vaginal wall prolapse and obstructed defecation. We aimed to compare outcomes for both conditions among different surgical approaches.
A systematic review was performed comparing the impact of surgical interventions in the posterior compartment on prolapse and defecatory symptoms. MEDLINE, Embase, and ClinicalTrials.gov were searched from inception to 4 April 2018. Randomized controlled trials, prospective and retrospective comparative and single-group studies of women undergoing posterior vaginal compartment surgery for vaginal bulge or bowel symptoms were included. Studies had to include both anatomical and symptom outcomes both pre- and post-surgery.
Forty-six eligible studies reported on six surgery types. Prolapse and defecatory symptoms improved with native-tissue transvaginal rectocele repair, transanal rectocele repair, and stapled transanal rectocele repair (STARR) surgeries. Although prolapse was improved with sacrocolpoperineopexy, defecatory symptoms worsened. STARR caused high rates of fecal urgency postoperatively, but this symptom typically resolved with time. Site-specific posterior repairs improved prolapse stage and symptoms of obstructed defecation. Compared with the transanal route, native-tissue transvaginal repair resulted in greater improvement in anatomical outcomes, improved obstructed defecation symptoms, and lower chances of rectal injury, but higher rates of dyspareunia.
Surgery in the posterior vaginal compartment typically has a high rate of success for anatomical outcomes, obstructed defecation, and bulge symptoms, although these may not persist over time. Based on this evidence, to improve anatomical and symptomatic outcomes, a native-tissue transvaginal rectocele repair should be preferentially performed.
KeywordsObstructed defecation Rectocele Surgery Systematic review
Funding provided by the Society of Gynecologic Surgeons (SGS) supports assistance by a methods expert in systematic reviews and other logistics.
Compliance with ethical standards
Conflicts of interest
CG provides expert testimony for Johnson and Johnson. The other authors declare that they have no conflicts of interest.
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