Graft diameter does not influence primary stability of ulnar collateral ligament reconstruction of the elbow

Journal of Orthopaedic Science : Official Journal of the Japanese Orthopaedic Association
Jens DargelLars Peter Müller

Abstract

Ulnar collateral ligament insufficiency may result in medial elbow pain, instability, and reduced athletic performance in throwing athletes. Several reconstruction methods have been described, but biomechanical studies suggest that in general, stability of the graft construct is inferior to the native ulnar collateral ligament. This study investigates whether a stronger graft would yield greater resistance to valgus load over the range of motion. Ten cadaveric elbows were mounted to a testing fixture and incremental valgus moments of 2.5, 5, and 7.5 Nm were applied with the elbow in 120°, 90°, 60°, 30° and 0° of flexion and in varying rotational forearm positions. The intact and the ulnar collateral ligament released elbow joint were compared with the docking ulnar collateral ligament reconstruction technique, using different graft sources with increasing cross-sectional areas: palmaris longus, tricpes brachii, extensor carpi radialis longus, and semitendinosus. The resulting angular displacement was evaluated and compared between graft sources and different elbow positions. Compared with the intact situation, ulnar collateral ligament release resulted in a significant increase in valgus deformation over the entire range of fle...Continue Reading

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Citations

Aug 21, 2016·Clinics in Sports Medicine·Edward Lyle Cain, Owen McGonigle
Oct 27, 2015·Sports Health·Brandon J EricksonAnthony A Romeo
Mar 18, 2017·The American Journal of Sports Medicine·Noortje C HagemeijerMichel P van den Bekerom
Jan 7, 2017·The Journal of Bone and Joint Surgery. American Volume·Brandon J Erickson, Anthony A Romeo
Jun 14, 2017·EFORT Open Reviews·Felix H Savoie, Michael O'Brien
Apr 19, 2019·The American Journal of Sports Medicine·Brandon J EricksonAnthony A Romeo

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