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1.
Orthopedic Journal of China ; (24)2006.
Artigo em Chinês | WPRIM | ID: wpr-545515

RESUMO

[Objective] To investigate the establishment of the Allograft Menisci Bank so as to provide suitable allograft meniscus for clinical study of allograft meniscus transplantation.[Method]The allograft menisci from the plentiful donors of the tissue bank were achieved and preserved with the deep-frozen technique.Clinical use of allograft menisci should be based on practical requirement of patients and the data recorded in the Menisci Bank.[Result]From 2005 to the end of 2006,an Allograft Menisci Bank was established which consisted with about 300 different-sized menisci and 14 allograft menisci were provided for clinical study.[Conclusion]Establishment of the Allograft Menisci Bank can provide a base for clinical meniscus transplantation.The short-term effects of the allograft menisci transplantation are satisfactory,but the long-term outcomes need more cases and further observation.

2.
Orthopedic Journal of China ; (24)2006.
Artigo em Chinês | WPRIM | ID: wpr-548604

RESUMO

0.05).[Conclusion]Patients undergoing ACL reconstruction with non-irradiated deep-frozen allograft or autograft had similar clinical outcomes.Non-irradiated allograft is a reasonable alternative choice to autograft for ACL reconstruction.

3.
Orthopedic Journal of China ; (24)2006.
Artigo em Chinês | WPRIM | ID: wpr-547008

RESUMO

[Objective]To explore the allograft,as a substitute for autograft,whether can be used to repair the defect of the tendon and restore the stability of joint and the dynamic biomechanical changes of allograft after transplantation.[Method]Deep-frozen allogeneic achilles tendons of rabbits were used as treatment group,and autogenous ones as control.The achilles tendon defects of back limbs were repaired by allograft and autograft separately.The macroscopic,microscopic observation and biomechanical test were performed on both of them before transplantation and in 2,4 and 8 weeks after transplantation.[Result]It was showed that there were no differences in macroscopy,microscopy and mechanical strength between allograft and autograft both before and after transplantation.They may have experienced the similar healing course.The mechanical strength of allograft(except failure strain) was reduced significantly after transplantation.But it had a rising trend with time passing,although it was fairly low in 8 weeks compared with the normal such as maximum load.[Conclusion]The results demonstrate that the deep-frozen allograft can substitute for autograft in repairing the tendon defect,and because of the weakness of allograft after transplantation,it needs appropriate protection to prevent failure by excessive strain in early stage.

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