4 doctors weighed in:

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

4 doctors weighed in
Dr. Ryan Pflugner
Sports Medicine
1 doctor agrees

In brief: 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.

In brief: 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.
Dr. Ryan Pflugner
Dr. Ryan Pflugner
Thank
1 comment
Dr. Ryan Pflugner
Just to let you know, the experts do not agree on allografts for ACL reconstruction. I am training where we use 98% allografts. I have friends that are the exact opposite. The best thing to do is have an informed conversation with the doctor who is doing your surgery.
Dr. Allen Lu
Orthopedic Surgery
1 doctor agrees

In brief: 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.

In brief: 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.
Dr. Allen Lu
Dr. Allen Lu
Thank
1 comment
Dr. David Trettin
Agree. Autograft patellar tendon , quadriceps tendon , and quadrupled hamstring have all been shown to be 'stronger' than allograft 2,4,6 months after surgery.Allograft takes 'longer' to incorporate and vascularize and is one major 'downside' to its use( especially in young athletes).
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