The circumferential graft technique for treatment of multidirectional elbow instability: a comparative biomechanical evaluation

Journal of Shoulder and Elbow Surgery
Michael HacklLars Peter Müller

Abstract

Ligament reconstruction with a circumferential graft represents an innovative technique for treatment of multidirectional elbow instability. This biomechanical study compared the stability of the intact elbow joint with the circumferential graft technique and the conventional technique. Seven fresh frozen cadaveric elbows were evaluated for stability against valgus and varus/posterolateral rotatory forces (3 Nm) over the full range of motion. Primary stability was determined for intact specimens, after sectioning of the collateral ligaments, after applying the circumferential graft technique (box-loop), and after conventional collateral ligament reconstruction. Cyclic loading (1000 cycles) was performed to assess joint stability and stiffness of the native ligaments and the tendon grafts. Primary stability of both reconstruction techniques was equal to the native specimens (P = .17-.91). Sectioning of the collateral ligaments significantly increased joint instability (P < .001). The reconstruction techniques provided equal stability after 1000 cycles (P = .78). Both were inferior to the intact specimens (P = .02). Cyclic loading caused a significantly lower increase in stiffness of the native ligaments compared with the tendon ...Continue Reading

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Citations

Jun 2, 2016·Archives of Orthopaedic and Trauma Surgery·M HacklJ Dargel
Sep 8, 2016·Der Orthopäde·M HacklK Wegmann
Nov 9, 2016·Surgical and Radiologic Anatomy : SRA·Michael HacklLars Peter Müller
Jul 29, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Bastian ScheidererSebastian Siebenlist
Feb 22, 2017·JBJS Essential Surgical Techniques·Michael HacklKilian Wegmann
Jun 9, 2021·Journal of Clinical Orthopaedics and Trauma·Sachin KumarAmol A Tambe

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