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Published on: May 21, 2013
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Meniscal allograft transplantation in rabbit
Liana M Vilela1, Ricardo J Del Carlo1, Edson V Melo Filho1
1Departamento de Veterinária, Universidade Federal de Viçosa, Viçosa, MG, Brasil.
Anais Da Academia Brasileira De Ciencias
|December 10, 2015
Summary
Glycerin-preserved meniscal allografts showed successful integration in rabbits. This study supports the use of this technique and preservation method for meniscal transplantation, demonstrating good graft fixation and cellular composition.
Area of Science:
- Orthopedics
- Regenerative Medicine
- Biomaterials Science
Background:
- Meniscal tears are common knee injuries.
- Meniscal allograft transplantation is a viable treatment option.
- Glycerin preservation is a potential method for allograft storage.
Purpose of the Study:
- To evaluate the efficacy of meniscal allograft transplantation using glycerin-preserved allografts in a rabbit model.
- To assess graft integration, cellularity, collagen organization, and vascularization.
Main Methods:
- Meniscal allograft transplantation performed in rabbits.
- Glycerin 98% used for allograft preservation.
- Gross examination, histomorphometric analysis, and revascularization studies conducted at 70 days.
- Comparison between transplanted (TM) and contralateral (OM) menisci.
Main Results:
- Transplanted menisci demonstrated complete synovial membrane attachment in most cases.
- Similar cellular composition (chondrocytes, fibroblasts, fibrocytes) observed in both TM and OM.
- Collagen fibers were well-organized in TM bodies and organized in OM.
- Comparable amounts of collagen types I and III, and similar vascularization in perimeniscal tissues.
Conclusions:
- Glycerin preservation is a suitable method for meniscal allografts.
- The evaluated transplantation technique promotes successful graft integration.
- This approach may be recommended for clinical application.
