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. 2023 Sep;34(9):2329-2332.
doi: 10.1007/s00192-023-05496-3. Epub 2023 Mar 10.

The anatomy of the sacrospinous ligament: how to avoid complications related to the sacrospinous fixation procedure for treatment of pelvic organ prolapse

Géraldine Giraudet  1 , Alessandro Ferdinando Ruffolo  2   3 , Marine Lallemant  4 , Michel Cosson  1
Affiliations

The anatomy of the sacrospinous ligament: how to avoid complications related to the sacrospinous fixation procedure for treatment of pelvic organ prolapse

Géraldine Giraudet et al. Int Urogynecol J. 2023 Sep.

Abstract

Introduction and hypothesis: Historically, the sacrospinous ligament (SSL) has been used to treat POP in order to restore the apical compartment through a posterior or an anterior vaginal approach. The SSL is located in a complex anatomical region, rich in neurovascular structures that must be avoided to reduce complications such as acute hemorrhage or chronic pelvic pain. The aim of this three-dimensional (3D) video describing the SSL anatomy is to show the anatomical concerns related to the dissection and the suture of this ligament.

Methods: We conducted a research of anatomical articles about vascular and nerve structures located in the SSL region, in order to increase the anatomical knowledge and show the best placement of sutures to reduce complications related to SSL suspension procedures.

Results: We showed the medial part of the SSL to be most suitable for the placement of the suture during SSL fixation procedures, in order to avoid nerve and vessel injuries. However, nerves to the coccygeus and levator ani muscle can course on the medial part of the SSL, the portion of the SSL where we recommended to pass the suture.

Conclusions: Knowledge of the SSL anatomy is crucial and during surgical training it is clearly indicated to stay far away (almost 2 cm) from the ischial spine to avoid nerve and vascular injuries.

Keywords: Pelvic organ prolapse; Pudendal nerve; Sacrispinous ligament anatomy; Sacrospinous ligament; Sacrospinous ligament suspension.

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