Anatomic relationships of single-incision midurethral slings

T. Ignacio Montoya, Jennifer J. Street, Marlene M. Corton

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Objective: The objective of the study was to evaluate the anatomic relationships of anchor points of single-incision midurethral slings with 2 common placement trajectories. Study Design: In 30 female pelvic halves, a probe was introduced through a suburethral tunnel following 45° and 90° angle trajectories. The corresponding anchor points were tagged. Distances to the obturator canal, accessory obturator vessels, dorsal vein of clitoris, and external iliac vein were recorded. Results: Both suburethral tunnel trajectories and their respective anchor points remained caudad to the obturator internus muscle in 100% of dissections. The closest distance between either anchor point to the obturator canal was 1.6 cm. The closest distance from the 45° and 90° anchor points to the accessory obturator vessels was 1.6 and 1.5 cm, respectively. Conclusion: The anchor points of single-incision midurethral slings are in close proximity to vascular structures that could be injured with inadvertent entry into the retropubic space.

Original languageEnglish (US)
Pages (from-to)75.e1-75.e5
JournalAmerican journal of obstetrics and gynecology
Issue number1
StatePublished - Jan 2013


  • mesh
  • minisling anchor points
  • minisling injury
  • minislings

ASJC Scopus subject areas

  • Obstetrics and Gynecology


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