Reconstruction of the anterior cruciate ligament with freeze dried fascia lata allografts in dogs
- 1 November 1985
- journal article
- research article
- Published by SAGE Publications in The American Journal of Sports Medicine
- Vol. 13 (6), 408-414
- https://doi.org/10.1177/036354658501300608
Abstract
In 16 adult dogs the anterior cruciate ligament (ACL) was transected and then reconstructed using freeze dried fascia lata allografts. Eight of the dogs had the intraarticular graft passed through drill holes in the tibia and femur, while in the other eight dogs the graft was passed through a drill hole in the tibia and routed "over- the-top" of the lateral femoral condyle. In all dogs the grafts were then passed deep to the lateral collateral ligament and secondarily secured to the tibia as an extraarticular reconstruction. Specimens from each group underwent histologic study and biomechanical testing on a mechanical testing system at 3, 6, 12, and 24 week intervals. All grafts were found to be intact at sacrifice with no overt evidence of biologic incompatibility. The knees displayed only mild instability to clinical testing without evidence of arthrosis. Histologically, the grafts ap peared to function as a collagenous scaffolding for revascularization and fibrovascular creeping substitu tion. The mean maximum load at failure in the 24 week specimens reached 536.44 N, compared to values of 801.85 N in contralateral knees with an intact ACL.Keywords
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