Uterine-preserving POP surgery

Robert Gutman, Christopher Maher
International Urogynecology Journal 2013, 24 (11): 1803-13

INTRODUCTION AND HYPOTHESIS: To review the safety and efficacy of uterine preservation surgery.

METHODS: Every four years and as part of the Fifth International Collaboration on Incontinence we reviewed the English-language scientific literature after searching PubMed, Medline, Cochrane library and Cochrane database of systematic reviews, published up to January 2012. Publications were classified as level 1 evidence (randomised controlled trials [RCT] or systematic reviews), level 2 (poor quality RCT, prospective cohort studies), level 3 (case series or retrospective studies) and level 4 case reports. The highest level of evidence was utilised by the committee to make evidence-based recommendations based upon the Oxford grading system. Grade A recommendation usually depends on consistent level 1 evidence. Grade B recommendation usually depends on consistent level 2 and/or 3 studies, or "majority evidence" from RCTs. Grade C recommendation usually depends on level 4 studies or "majority evidence" from level 2/3 studies or Delphi processed expert opinion. Grade D "no recommendation possible" would be used where the evidence is inadequate or conflicting and when expert opinion is delivered without a formal analytical process, such as by Delphi.

RESULTS: A wide variety of surgical options remain for women presenting with uterine prolapse without contraindications to uterine preservation. However, long-term data are limited and the need for subsequent hysterectomy unknown (grade C). Sacrospinous hysteropexy is as effective as vaginal hysterectomy and repair in retrospective comparative studies and in a meta-analysis with reduced operating time, blood loss and recovery time. However, in a single RCT there was a higher recurrence rate associated with sacrospinous hysteropexy compared with vaginal hysterectomy (grade D). Severe prolapse increases the risk of recurrent prolapse after sacrospinous hysteropexy. In consistent level 2 evidence sacrospinous hysteropexy with mesh augmentation of the anterior compartment was as effective as hysterectomy and mesh augmentation with no significant difference in the rate of mesh exposure between the groups (grade B). Level 1 evidence from a single RCT suggests that vaginal hysterectomy and uterosacral suspension were superior to sacral hysteropexy based on reoperation rates, despite similar anatomical and symptomatic improvement (grade C). Consistent level 2 and 3 evidence suggests that sacral hysteropexy (open or laparoscopic) was as effective as sacral colpopexy and hysterectomy in anatomical outcomes; however, the sacral colpopexy and hysterectomy were associated with a five times higher rate of mesh exposure compared with sacral hysteropexy (grade B). Performing hysterectomy at sacral colpopexy was associated with a four times higher risk of mesh exposure compared with sacral colpopexy without hysterectomy (grade B).

CONCLUSION: While uterine preservation is a viable option for the surgical management of uterine prolapse the evidence on safety and efficacy is currently lacking.

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