Prospective randomized comparison of endobutton versus cross-pin femoral fixation in hamstring anterior cruciate ligament reconstruction with 2-year follow-up

摘要

Background: To determine if there is a different clinical outcome after TransFix versus endobutton femoral fixation in hamstring anterior cruciate ligament (ACL) reconstruction. Methods: Twenty-nine patients were randomized into either Endobutton (Smith & Nephew, Andover, MA, USA) (n = 13) or TransFix (Arthrex, Naples, FL, USA) (n = 16) femoral fixation in hamstring ACL reconstruction. The distal fixation was with a bioabsorbable interference screw. The evaluation methods were clinical history and examination, KT1000 arthrometry for laxity as well as the International Knee Documentation Committee (IKDC) scores over a 2-year time frame. Results: There were no significant differences between the study groups preopera-tively. For the 2-year follow-up, 11 patients in the Endobutton group and 13 patients in the TransFix group were available (greater than 80%). No statistical differences between the two groups were found at the 1- or 2-year follow-up examinations. At the 2-year follow-up, 72.7% of the Endobutton and 84.6% of the TransFix group patients were in the IKDC A or B categories. Additional procedures postoperatively occurred more frequently in the TransFix group. Conclusions: There were no significant differences in the results for either technique of femoral fixation.