Biodegradable screws create larger bone tunnels in ACL graft fixation
A long-term, prospective, randomized study comparing biodegradable and metal interference screws in anterior cruciate ligament reconstruction surgery: radiographic results and clinical outcomeAm J Sports Med. 2010 Aug;38(8):1598-605. Epub 2010 Apr 14.
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77 patients with a symptomatic unilateral chronic ACL rupture were randomized to reconstruction using hamstring autograft with the use of either poly-L-lactide acid (PLLA) or metal interference screw fixation. At 8 years follow up, the PLLA screw for hamstring tendon (HT) autograft fixation in ACL repair was found to have a significantly larger femoral bone tunnels compared to metal interference s...
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