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Creation of Abdominal Adhesions in Mice
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Two experimental models for generating abdominal adhesions.

Wolfgang B Gaertner1, Gonzalo F Hagerman, Isaac Felemovicius

  • 1Department of Surgery, University of Minnesota, 420 Delaware St SE, MMC 195, Minneapolis, MN 55455, USA. delan001@umn.edu

The Journal of Surgical Research
|March 4, 2008
PubMed
Summary
This summary is machine-generated.

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New rat models for abdominal adhesions (model T and model M) provide consistent and predictable results for objective evaluation. These dependable models allow for standardized measurement of adhesion extent and character.

Area of Science:

  • Surgical research
  • Animal models
  • Adhesion formation

Background:

  • Abdominal adhesions are a common complication of abdominal surgery.
  • Developing reliable animal models for studying adhesions is crucial for research.
  • Existing models often lack consistency and objective evaluation methods.

Purpose of the Study:

  • To develop dependable rat models for generating abdominal adhesions.
  • To enable objective evaluation and quantification of adhesion formation.
  • To compare two novel models (T and M) with conventional methods.

Main Methods:

  • Model T involved excising abdominal wall, exposing viscera to subcutaneous tissue.
  • Model M involved excising abdominal wall and replacing with polypropylene mesh.

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  • Adhesion extent and character were assessed 7 days post-operation.

    • Main Results:

    • Both models M and T consistently produced extensive adhesions in all animals.
    • Model M showed 93% mesh surface coverage; Model T showed 82% subcutaneous surface coverage.
    • Model T resulted in both intestinal and omental adhesions, while Model M had no intestinal adhesions.

    Conclusions:

    • Models M and T are consistent, predictable, and dependable for adhesion studies.
    • These models provide extensive adhesion coverage at a defined site.
    • They allow for standardized measurement and objective evaluation of abdominal adhesions.