Seprafilm reduces adhesions to polypropylene mesh

Michael L. Baptista, Margaret E. Bonsack, John P. Delaney

Research output: Contribution to journalArticlepeer-review

72 Scopus citations

Abstract

Background. Adhesions to polypropylene mesh used for abdominal wall hernia repair may eventuate in intestinal obstruction or enterocutaneous fistula. A Seprafilm Bioresorbable Membrane translucent adhesion barrier has been shown to inhibit adhesions. This investigation was designed to determine if Seprafilm alters abdominal visceral adhesions to polypropylene mesh. Methods. A 2.5-cm square abdominal muscle peritoneal defect was created and corrected with polypropylene mesh. Mesh alone was used in 17 rats. In another 17, the Seprafilm membrane was applied between the viscera and the mesh. Five animals had the bioresorbable membrane placed in the subcutaneous space and between the mesh and the viscera. Laparoscopy was performed 7, 14, and 28 days later to evaluate adhesions as a percentage of mesh surface involved. Results. Polypropylene mesh alone was associated with adhesions in every rat. The average area involved was 90%, the minimum was 75%. Adhesions were present within 24 hours and progressed up to 7 days with no change thereafter. When the Seprafilm barrier was used, the mean area involved was 50%. In 16 such rats, the area involved was smaller than any control animal. No adhesions formed in 5 animals. Scanning electron microscopy demonstrated a mesothelial cell layer covering the mesh after 4 weeks. Conclusions. The use of the Seprafilm adhesion barrier resulted in a significant reduction of adhesion formation to polypropylene mesh (P < .001).

Original languageEnglish (US)
Pages (from-to)86-92
Number of pages7
JournalSurgery
Volume128
Issue number1
DOIs
StatePublished - Jul 2000

Bibliographical note

Funding Information:
Supported by grants from the Genzyme Corporation.

Copyright:
Copyright 2017 Elsevier B.V., All rights reserved.

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