Comparing three femoral tunnel drilling techniques in patients undergoing double-bundle ACL-R
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Knee Surg Sports Traumatol Arthrosc. 2020 Feb;28(2):584-593.
Ninety-eight patients scheduled for an anterior cruciate ligament reconstruction with a semitendinosus autograft were randomized to receive femoral tunnel placement using a transtibial, transportal or outside-in technique. Outcomes of interest were radiographic in nature, including femoral tunnel length, femoral and tibial tunnel angles, femoral tunnel position and tibial tunnel position. Computed tomography scans were performed 3 weeks after surgery. Results of the study found the transtibial technique to result in significantly higher femoral tunnel positions with larger variance compared to the transportal and outside-in techniques. Several patients in the transtibial group could not achieve femoral tunnel placement in the intended position.
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