Comparison of two outside-in transobturator midurethral slings in the treatment of female urodynamic stress incontinence

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Abstract

Objective: To explore the difference between two brands of outside-in transobturator midurethral sling (TOT) for urodynamic stress incontinence (USI). Materials and methods: Women who underwent an outside-in TOT procedure by either Monarc or Obtryx were retrospectively reviewed. Data of women with available information at baseline and postoperative 12-month follow-up were analyzed. The analyzed data included standardized interview, pelvic examination, as well as sling location and sling tension explored by introital four-dimensional ultrasound. Sling position were explored through the distances between the sling center and the caudal margin of the pubic symphysis (SPd) as well as sling percentile (SP) along the urethral length as a percentage in the midsagittal plane. SPd was also used to explore sling tension. Clinical outcomes were compared between two groups. Sling location and sling tension were compared in success cases between two groups. Results: There were 138 women in Monarc group and 140 women in Obtryx group. Rates of stress urinary continence and adverse events were not statistically different after two TOT. SPd was similar between both procedures. Obtryx located more ventrally than Monarc, indicated by a smaller SP during resting (41.6% vs 58.5%, P < 0.001), straining (38.0% vs 54.4%, P < 0.001), and coughing (39.8% vs 48.8%, P < 0.001). Conclusion: At 12-month assessment, both outside-in TOT procedures were not significantly different in terms of clinical results and sling tension, while Obtryx sling located more ventrally than Monarc.

Original languageEnglish
Pages (from-to)1004-1008
Number of pages5
JournalTaiwanese Journal of Obstetrics and Gynecology
Volume61
Issue number6
DOIs
Publication statusPublished - Nov 2022

Keywords

  • Outside-in
  • Sling location
  • Stress urinary incontinence
  • Transobturator midurethral sling
  • Urodynamic stress incontinence

ASJC Scopus subject areas

  • Obstetrics and Gynaecology

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