Journal
INTERNATIONAL JOURNAL OF COLORECTAL DISEASE
Volume 21, Issue 8, Pages 840-846Publisher
SPRINGER
DOI: 10.1007/s00384-006-0091-z
Keywords
collagen foil; polypropylene mesh; adhesions; hernia
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Polypropylene meshes (PPMs) are routinely used in the treatment of incisional hernias to achieve a tension-free closure of the abdominal wall. Severe adhesions are a common cause of intestinal obstruction, or even intestinal fistulas. Using a porcine model, we investigated whether applying a collagen foil (CF) to the undersurface of a PPM will reduce adhesion formation. Methods: In ten domestic pigs (20-25 kg), a median laparotomy was performed. In each animal the abdominal wall was reconstructed using three types of closure: simple closure by a running suture (control), PPM only, and PPM covered with CF (PPM-CF). After 6 weeks, the abdominal wall with adherent tissue was resected en bloc for macroscopic (quality and quantity of adhesion formation) and histological work-up. Results: The PPM-CF showed significantly less severe (1.9 vs 3.0 according to a scoring system), and also less extended (23.8 vs 55.9% total coverage of the mesh), adhesions to the resected abdominal wall. Histological examination revealed fewer and less severe inflammatory reactions, necrosis, and foreign body reactions for the mesh and CF (PPM-CF). Conclusions: To combine meshes with the antiadhesion properties of a CF may be another option to achieve more physiological and more tolerable prosthetic materials.
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