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Outcomes of Mid-Urethral Sling for Urodynamic Stress Incontinence Following Extensive Pelvic Reconstructive Surgery

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Abstract

Introduction and Hypothesis

To assess the outcomes of mid-urethral sling (MUS) procedures for urodynamic stress incontinence (USI) following extensive pelvic reconstructive surgery (PRS) and identify risk factors for persistent USI (P-USI).

Methods

This retrospective study analyzed 84 women who underwent a staged approach to MUS for USI after PRS for advanced pelvic organ prolapse (Pelvic Organ Prolapse Quantification III and IV). The primary outcome was objective cure rate, defined by negative urine leakage on urodynamic study and a 1-h pad test weight of < 2 g. Subjective cure rate was through a negative response to question 3 of UDI-6.

Results

The overall objective cure rate was 81.0%. The highest cure rate was observed in de novo USI (MUS-D; 89.7%) compared with women with persistent USD (MUS-P). Patients with overt SUI exhibited lower cure rates than those with occult SUI. Predictive factors for persistent USI were lower pre-operative maximum urethral closure pressure (MUCP; p = 0.031) and higher BMI in the MUS-P group than in the MUS-D group (p = 0.008). Subjective improvement was noted, especially in the MUS-D group, with a subjective cure rate of 78.6%. Those with MUS-D reported a higher impact on patient well-being post-surgery. No complications were observed after MUS surgery at follow-up.

Conclusions

Overt USI, low MUCP and high BMI are independent predictors of persistent USI after a staged MUS approach after pelvic reconstructive surgery.

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Data Availability

The data that support the findings of this study are available from the corresponding author upon reasonable request.

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Authors and Affiliations

Authors

Contributions

T.-S. Lo: protocol/project development, data collection, data analysis, manuscript editing; A. Alzabedi: manuscript writing and editing; L.-S. Jhang: data collection; W.-C. Hsieh: data collection; M. Kamarudin: data collection; L.E. Rellora: manuscript editing.

Corresponding author

Correspondence to Tsia-Shu Lo.

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Ethical/Institutional Review Board Approval

This study was approved by the Chan Gung Memorial hospital Review Board (IRB:202400754B0), please see the attached file in the supplementary materials.

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The authors declare that they have no conflicts of interest.

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Lo, TS., Alzabedi, A., Jhang, LS. et al. Outcomes of Mid-Urethral Sling for Urodynamic Stress Incontinence Following Extensive Pelvic Reconstructive Surgery. Int Urogynecol J (2024). https://doi.org/10.1007/s00192-024-05918-w

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  • DOI: https://doi.org/10.1007/s00192-024-05918-w

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