Laterale ulnare Kollateralbandplastik

Hackl, Michael; Leschinger, Tim; Ries, Christian; Neiss, Wolfram F.; Müller, Lars Peter; Wegmann, Kilian

doi:10.1007/s00132-016-3321-2

Cited by 5 publications

(1 citation statement)

References 29 publications

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“…Previous biomechanical data on PLRI reconstruction was used to determine an adequate sample size [23]. A sample size of 8 paired elbows per group provided 80% power at an alpha level of 0.05 to detect a 1° difference in rotation assuming a standard deviation of 0.7° and 0.8° for the intact and reconstructed groups, respectively.…”

Section: Methodsmentioning

confidence: 99%

LUCL internal bracing restores posterolateral rotatory stability of the elbow

Scheiderer

Imhoff

Kia

et al. 2019

Knee Surg Sports Traumatol Arthrosc

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Purpose Posterolateral rotatory instability (PLRI) of the elbow occurs from an insufficient lateral collateral ligament complex (LCLC). For subacute LCLC injuries, lateral ulnar collateral ligament (LUCL) internal bracing rather than reconstruction may be a viable option. The purpose of the study was to compare the stabilizing effects of LUCL internal bracing to triceps tendon graft reconstruction in simulated PLRI. Methods Sixteen cadaveric elbows were assigned for either LUCL internal bracing (n = 8) or reconstruction with triceps tendon graft (n = 8). Specimen were mounted and a valgus rotational torque was applied to the ulna to test posterolateral rotatory stability. Posterolateral rotation was measured at 0°, 30°, 60°, 90° and 120° of elbow flexion. Cyclic loading was performed for 1000 cycles at 90° of elbow flexion. Three conditions were compared in each specimen: intact elbow, LUCL and radial collateral ligament (RCL) transected, and then either LUCL internal bracing or reconstruction with triceps tendon graft. Results Transection of the LUCL and RCL significantly increased posterolateral rotation in all degrees of elbow flexion compared to the intact condition (P < 0.05). Both LUCL internal bracing and reconstruction restored posterolateral rotatory stability to the native state between 0° and 120° of elbow flexion, with no significant difference in improvement between groups. Similarly, LUCL internal bracing and reconstruction groups showed no significant difference in posterolateral rotation compared to the intact condition during cyclic loading. Conclusions At time zero, both LUCL internal bracing and reconstruction with triceps tendon graft restored posterolateral rotatory stability. As such, this study supports the use of internal bracing as an adjunct to primary ligament repair in subacute PLRI.

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Section: Methodsmentioning

confidence: 99%