Related Experiment Video
Updated: May 11, 2026

Minced Tissue in Compressed Collagen: A Cell-containing Biotransplant for Single-staged Reconstructive Repair
Published on: February 24, 2016
Collagen/Polypropylene composite mesh biocompatibility in abdominal wall reconstruction
Aleksander Lukasiewicz1, Joanna Skopinska-Wisniewska, Andrzej Marszalek
1Grudziadz, Torun, and Bydgoszcz, Poland From the Department of Vascular Surgery, Regional Specialist Hospital; the Department of Polymers Chemistry and Photochemistry, Faculty of Chemistry, and Departments of Pathomorphology and Tissue Engineering, Collegium Medicum, Nicolaus Copernicus University; and the Eskulap Surgery Center.
A novel acetic acid extracted collagen coating significantly reduces visceral adhesions in polypropylene mesh implants. This collagen coating does not increase complications or affect mesh incorporation, offering a safer option for direct visceral contact.
Area of Science:
- Biomaterials Science
- Surgical Innovation
- Tissue Engineering
Background:
- Polypropylene mesh implantation in the abdomen causes significant visceral adhesions, limiting its use.
- Collagen coatings enhance biocompatibility and cell integration.
- A new acetic acid extracted collagen coating aims to enable safe direct contact of polypropylene mesh with viscera.
Purpose of the Study:
- To assess the long-term effects of an acetic acid extracted collagen coating on polypropylene mesh.
- To evaluate surgical aspects, biomechanical properties, complications, adhesions, incorporation strength, and inflammatory response of coated mesh in direct visceral contact.
Main Methods:
- Forty Wistar rats were divided into two groups: experimental (collagen-coated polypropylene mesh) and control (uncoated polypropylene mesh).
- Standardized mesh implantation was performed, with analysis after 3 months.
- Evaluated parameters included complications, adhesion area and severity, incorporation strength, and inflammatory response.
Main Results:
- The collagen-coated mesh group showed significantly lower mean adhesion area (14.5% vs. 69.9%, p < 0.001).
- Adhesion severity was reduced in the experimental group, with more grade 0 and 1 adhesions and fewer grade 3 adhesions.
- No significant differences were observed in complications, mesh incorporation strength, or inflammatory response intensity between groups.
Conclusions:
- Acetic acid extracted collagen coating significantly reduces visceral adhesions associated with polypropylene mesh.
- The collagen coating is safe, as it does not increase complications or negatively alter mesh incorporation into tissues.

