Abstract
Background
The ideal mesh for laparoscopic ventral hernia repair is not yet identified.
Methods
We laparoscopically placed polypropylene (PPM), expanded polytetrafluoroethylene (ePTFE), and polyester with antiadhesive collagen layer (PCO) in eight pigs using sutures and tacks for fixation. After 28-day survival, we compared adhesion formation, fibrous ingrowth, and shrinkage among the types of mesh.
Results
Mean area of adhesions to PCO (8.25%) was less than that to ePTFE (57.14%, p < 0.001) or PPM (79.38%, p < 0.001). Adhesions peel strength was less for PCO (2.3 N) than for PPM (16.1 N, p < 0.001) or ePTFE (8.8 N, p = 0.02). Peel strength of mesh from the abdominal wall was less for ePTFE (1.3 N/cm of mesh width) than for PCO (2.8 N/cm, p = 0.001) or PPM (2.1 N/cm, p = 0.05). ePTFE area (94.4 cm2) was less than that for PCO (118.6 cm2, p < 0.001) or PPM (140.7 cm2, p < 0.02).
Conclusion
PCO had fewer and less severe adhesions than ePTFE or PPM while facilitating excellent ingrowth of the adjacent parietal tissue.
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Acknowledgment
This research was funded by a grant from Sofradim Corporation, Trévoux, France.
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McGinty, J.J., Hogle, N.J., McCarthy, H. et al. A comparative study of adhesion formation and abdominal wall ingrowth after laparoscopic ventral hernia repair in a porcine model using multiple types of mesh. Surg Endosc 19, 786–790 (2005). https://doi.org/10.1007/s00464-004-8174-9
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DOI: https://doi.org/10.1007/s00464-004-8174-9