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LOGINStitched Together: LARS Procedure and Post-op ACL Management
In our last newsletter we explored the anatomy of the anterolateral complex of the knee, reasons for the high rate of re-injury, and the rehab approach for conservative management. Most athletes, however, opt for surgical correction of an ACL tear. Contributor Chris Mallac highlights an alternative reconstruction method called a Ligament Advanced Reinforcement System (LARS) procedure here.
The LARS is a synthetic graft that mimics the ACL through the alignment of its Polyethylene Terephthalate (PET) polyester fibers (see Figure 1). The ninety-degree twist in the graft enables it to act more like the actual ACL, reducing shearing forces along the graft. The porous PET fibers function as a scaffolding, allowing tissue growth around and within it. This tissue ingrowth protects the graft from bony surfaces, helps anchor the graft to the residual ACL stump, and acts as a lubricant between the fibers, reducing mechanical wear. Polish researchers found the LARS graft provided excellent control of anterior translation and anterolateral knee movement six weeks after a LARS procedure(1). See Mallac’s excellent review for more information about the procedure.
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Alicia Filley
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