A member asked:

What is the strength of an allograft tendon after acl reconstruction surgery?

4 doctors weighed in across 2 answers
Dr. Allen Lu answered

Specializes in Orthopedic Surgery

Quite strong: Depending on the method of fixing the tendon in place (there are many many different methods), the strength of the over acl varies a great deal. However, most methods have been found to be as strong as the original. Unfortunately, as our bodies grow into the allograft acl, the process weakens the ligament. At 4 months, the acl improves in strength and at 8-9 months becomes mature and incorporated.

Answered 12/18/2014

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Depends.: Allograft tendons can be as strong or stronger then autograft tendons, depending on what you are comparing. Patella tendon autografts are "gold standard" but hamstring tendons are quickly being recognized as being just as good. One downfall to allografts is that it takes longer for your body to "ligamentize" the graft, however there are benefits to allografts as well.

Answered 10/10/2016

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