Single-Tunnel vs Double-Tunnel Medial Patellofemoral Ligament Reconstruction for Patella Dislocation .
Single-tunnel and double-tunnel medial patellofemoral ligament reconstructions have similar clinical, radiological and functional results
Knee Surg Sports Traumatol Arthrosc. 2021 Jun;29(6): 1904-1912.Eighty patients with recurrent patellar dislocation/instability were randomized to receive a medial patellofemoral ligament reconstruction using a single-tunnel technique (n=40) or a double-tunnel technique (n=40). The outcomes of interest included clinical scores (Kujala score, Lysholm score, Tegner score, International Knee Documentation Committee [IKDC] score), radiological measures (congruence angle, patellar tilt angle), and isokinetic muscle strength (flexion and extension at 60 and 180 degrees). Outcomes were assessed at 24 months post-operation. No significant differences in all outcomes were observed between the two groups (p>0.05 for all).
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