Double-row repair of the distal attachment of the superficial medial collateral ligament: a basic science pilot study

Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA
Daniel B WhelanPeter MacDonald

Abstract

To describe a novel repair for tibial-sided superficial medial collateral ligament (sMCL) lesions and determine whether it restores medial joint opening to uninjured state. Agreement among experienced knee surgeons when evaluating medial joint laxity was also explored. On a series of eight human cadaveric knees, surgical elevation of the distal insertion of the sMCL was performed to replicate injury. The cut ligament was repaired using a novel double-row 'suture-bridge' technique. Valgus stress fluoroscopic images were taken with the ligament in three states: (I)ntact, (C)ut and (R)epaired, in two positions: 0 and 20° flexion. Joint opening was measured on calibrated fluoroscopic images (in mm) based on methods described by LaPrade. Joint space opening was also estimated by three experienced knee surgeons without fluoroscopy. On fluoroscopy, no significant differences in mean joint opening were observed between an intact versus repaired ligament in 0 and 20° flexion [0.5 mm (95 % CI -1.6, 0.73; n.s.) and 0.3 mm (95 % CI -1.17, 1.71; n.s.)], respectively. Agreement among surgeons was substantial (ICC = 0.622, 95 % CI 0.52, 0.73). The surgical technique adequately restored joint opening to an intact state with response to valgus ...Continue Reading

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Citations

Sep 24, 2020·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Patricia M LutzAndrea Achtnich
Jul 6, 2017·Archives of Orthopaedic and Trauma Surgery·Laura C SlaneLennart Scheys
May 9, 2021·Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association·Matthew J MatavaLjiljana Bogunovic

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