Many surgeon recommend single bundle due to the easiness of the tech. and to avoid weakening of the patella, on the other hand double bundle i see it more close to normal bio-mechanics?
In regard to children with open physis the quadriceps tendon technique and the adductor magnus transfer are my favorites.
Quadriceps tendon: no fixation in the patella needed. Fixation on the femur with an anker avoiding the growth plate.
MPFL reconstruction using a quadriceps tendon graft: part 1: biomechanical properties of quadriceps tendon MPFL reconstruction in comparison to the Intact MPFL. A human cadaveric study.
Herbort M, Hoser C, Domnick C, Raschke MJ, Lenschow S, Weimann A, Kösters C, Fink C.
Knee. 2014 Dec;21(6):1169-74. doi: 10.1016/j.knee.2014.07.026. Epub 2014 Aug 7.
PMID: 25178693 Free Article
Adductur magnus tendon transfer: no anker/screw needed at the femoral side (no risk for growth plate) and only one fixation point at the patella (no risk for patella fracture)
Arthroscopy. 2012 Dec;28(12):1749; author's reply p. 1750. doi: 10.1016/j.arthro.2012.08.010.
Reconstruction of the medial patellofemoral ligament using the adductor magnus tendon.
Sillanpää PJ, Arendt E.
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