Biomechanics of a new technique for minimal-invasive coracoclavicular ligament reconstruction.

Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA
Benedikt SchliemannMichael J Raschke

Abstract

To evaluate the biomechanical properties of a new coracoclavicular (CC) ligament reconstruction using a subcoracoidal flip button and a tendon graft compared to an augmented tendon loop and a synthetic coracoclavicular ligament reconstruction. A porcine metatarsalia model was used to assess supero-inferior fixation strength of (1) a new technique using an augmented tendon graft and a subcoracoidal flip button in a lifting block fashion, (2) an augmented tendon loop around the coracoid base and (3) a synthetic coracoclavicular ligament augmentation technique. Cyclic loading from 20 to 70 N for 1,000 cycles was performed, followed by a load-to-failure protocol. All specimens of the three different groups survived the cyclic loading protocol. The maximum loads to failure under superior loading conditions were 760 ± 78 N for group 1, 702 ± 48 N for group 2 and 1117 ± 91 N for group 3. The synthetic coracoclavicular ligament augmentation technique revealed significantly higher maximum loads compared to the other groups (p < 0.001). The augmented tendon graft/flip button construct had higher maximum loads than the augmented tendon loop (n.s.). No significant differences were found for stiffness and elongation behaviour among the 3 te...Continue Reading

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Citations

Jul 31, 2014·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Cori GranthamThay Q Lee
Oct 18, 2014·Acta Orthopaedica·Jonas S NordinKarl Lunsjö
Feb 5, 2015·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Murat AsciMehmet Burtaç Eren
Dec 10, 2015·The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS·Leandro Cardoso BarchiBruno Zilberstein
Apr 27, 2019·Orthopaedic Journal of Sports Medicine·Patrick HislopMatthew C Evans
Dec 22, 2015·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Lukas WeiserLars G Großterlinden
Mar 22, 2020·Journal of Shoulder and Elbow Surgery·Haluk CelikHeinz Hoenecke

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