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Allograft bone. The influence of processing on safety and performance
T Boyce1, J Edwards, N Scarborough
1Allograft Scientist, Allograft Research and Development, Osteotech, Inc., Eatontown, New Jersey, USA.
The Orthopedic Clinics of North America
|September 3, 1999
Summary
Bone allograft processing aims for safety and sterility while preserving biological and biomechanical properties. This review examines how processing techniques impact graft incorporation and healing potential.
Area of Science:
- Biomaterials Science
- Orthopedic Surgery
- Tissue Engineering
Background:
- Bone allografts are crucial in orthopedic surgery.
- Advances in tissue processing are vital for allograft efficacy.
- Ensuring allograft safety (cleaning, sterility, virus removal) is paramount.
Purpose of the Study:
- To discuss the impact of processing techniques on bone allograft properties.
- To analyze how safety and sterility measures affect graft incorporation.
- To highlight the balance between allograft safety and biological function.
Main Methods:
- Review of current literature on bone allograft processing.
- Analysis of the effects of various cleaning, sterilization, and viral inactivation methods.
- Evaluation of impacts on biomechanical and biological characteristics.
Main Results:
- Processing methods can alter the structural integrity and cellular viability of bone allografts.
- Sterilization and viral clearance techniques may compromise osteoconductive and osteoinductive potential.
- Optimizing processing is key to maintaining graft performance.
Conclusions:
- Careful selection of processing techniques is essential for successful bone allograft use.
- Balancing safety with the preservation of biological properties is critical for optimal graft healing.
- Further research is needed to refine processing methods for enhanced allograft incorporation.