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Application of a New Mesh Fixation Method in Laparoscopic Incisional Hernia Repair

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[Adhesion after laparoscopic ventral hernia repair].

Nellie Bering Zinther¹, Jens Fedder, Hans U Friis-Andersen

¹Horsens Sygehus, Organkirurgisk Afdeling. nellie@zinther.dk

Ugeskrift for Laeger

|November 23, 2007

Summary

Laparoscopic ventral hernia repair using W3 mesh and Protack fixation led to severe adhesions and recurrent hernias in four patients. These findings question the safety and validation of current materials for laparoscopic ventral hernia repair.

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Area of Science:

Abdominal surgery
Biomaterials science
Surgical innovation

Background:

Laparoscopic ventral hernia repair (LVH) is a common surgical procedure.
W3 mesh and Protack fixation devices are utilized in LVH.
Assessing the long-term safety and efficacy of surgical materials is crucial.

Observation:

Four patients undergoing LVH with W3 mesh and Protack fixation were reoperated laparoscopically.
Reoperations occurred between 5 and 23 months post-initial surgery.
Reasons for reoperation included recurrent hernia and new hernias proximal to the mesh.

Findings:

All reoperated patients exhibited adhesions involving the mesh and fixation devices.
Adhesion severity and extent increased over time.

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Dissection during reoperation was difficult and dangerous due to adhesions.

Implications:

These findings raise concerns about the biocompatibility of W3 mesh and Protack fixation.
Current validation methods for laparoscopic ventral hernia repair materials may be insufficient.
Further research is needed to evaluate long-term outcomes and material safety in LVH.