Abstract
Objective To investigate the results of arthroscopic anterior cruciate ligament anatomic reconstruction using three-tunnel double-bundle methods with Femoral-Intrafix system. Methods From October 2010 to October 2013, data of 30 cases of arthroscopic anterior cruciate ligament (ACL) reconstruction who were randomly used with Femoral-Intrafix system were retrospectively analyzed. Hamstring tendons autograft were used for all patients. The Femoral-Intrafix system fixation was used for the femoral tunnel and the Milagro interference screw was used for tibial tunnels. KT-1000 arthrometer measurements, Lachman and Pivot-shift tests, and knee function with the Intemational Knee Documentation Committee (IKDC), Lysholm scores were used for clinical evaluation. Results All the patients were followed up for an average time of 24.71±1.60 months (range, 18-36 months). No patients had ligament re-rupture, deep vein thrombosis, exfliation of interference screw, joint pain and limited mobility during follow-up period. At the latest follow-up, the Lachman sign was I degrees positive in 1 patient, and all patients had normal range of motion. The Lysholm scores increased from preoperative 67.51±4.92 to 96.41±6.31 at the latest follow up. The IKDC scores increased from preoperative 62.31±5.45 to 95.61±6.32 at the latest follow up. There was 93.3% excellent and good rate, including excellent in 23 cases, good in 5 cases, and fair in 2 cases according to the IKDC. All knee function scores were improved. The results of KT-1000 were improved significantly (7.62±1.25 mm vs. 1.53±1.02 mm at 30° of flexion, 5.43±1.21 mm vs 1.07±1.02 mm at 90° of flexion) at the tensile fore of 134 N. Conclusion Arthroscopic ACL reconstruction using three-tunnel double-bundle methods with the Femoral-Intrafix system fixation is a reliable technique, which is easy to operate and has satisfactory short clinical outcome for knee function recovery. Key words: Arthroscopy; Anterior cruciate ligament reconstruction; Transplantation, autologous
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