Annular ligament reconstruction with the superficial head of the brachialis: surgical technique and biomechanical evaluation
Purpose The purpose of this study was to perform biomechanical testing of annular ligament (AL) reconstruction using the superficial head of the brachialis tendon (SHBT) as a distally based tendon graft. We hypothesized that posterior translation of the radial head following AL reconstruction with an SHBT graft does not significantly differ from intact specimens. Methods Six fresh-frozen elbow specimens were used. The stability of the radial head against posterior translation forces (30 N) was evaluated in 0°, 45°, 90° and 120° of elbow flexion. Posterior translation was obtained for the intact AL, the sectioned AL and the reconstructed AL. Cyclic loading (100 cycles) in 90° of elbow flexion was performed for the intact and the reconstructed AL. Results Posterior translation of the radial head decreased during elbow flexion in native specimens. Sectioning of the AL significantly increased instability over the full range of motion. AL reconstruction with the SHBT restored the stability of the proximal radius but—other than the native AL—was not influenced by elbow flexion. In 120° of flexion the native AL provided significantly more stability when compared to the reconstructed AL. Cyclic loading did not provide significant differences between native and reconstructed specimens. Conclusions We provide a feasible technique for AL reconstruction using the SHBT. The biomechanical results obtained in this study confirm the efficacy of the procedure. AL reconstruction restores the stability of the proximal radius, yet it cannot fully mimic the complex features of the intact AL..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2016 |
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| Erschienen: |
2016 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:39 |
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| Enthalten in: |
Surgical and radiologic anatomy - 39(2016), 6 vom: 07. Nov., Seite 585-591 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Hackl, Michael [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| Themen: |
Annular ligament |
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| Anmerkungen: |
© Springer-Verlag France 2016 |
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| doi: |
10.1007/s00276-016-1774-y |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
SPR003568008 |
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| 100 | 1 | |a Hackl, Michael |e verfasserin |0 (orcid)0000-0002-6183-5621 |4 aut | |
| 245 | 1 | 0 | |a Annular ligament reconstruction with the superficial head of the brachialis: surgical technique and biomechanical evaluation |
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| 500 | |a © Springer-Verlag France 2016 | ||
| 520 | |a Purpose The purpose of this study was to perform biomechanical testing of annular ligament (AL) reconstruction using the superficial head of the brachialis tendon (SHBT) as a distally based tendon graft. We hypothesized that posterior translation of the radial head following AL reconstruction with an SHBT graft does not significantly differ from intact specimens. Methods Six fresh-frozen elbow specimens were used. The stability of the radial head against posterior translation forces (30 N) was evaluated in 0°, 45°, 90° and 120° of elbow flexion. Posterior translation was obtained for the intact AL, the sectioned AL and the reconstructed AL. Cyclic loading (100 cycles) in 90° of elbow flexion was performed for the intact and the reconstructed AL. Results Posterior translation of the radial head decreased during elbow flexion in native specimens. Sectioning of the AL significantly increased instability over the full range of motion. AL reconstruction with the SHBT restored the stability of the proximal radius but—other than the native AL—was not influenced by elbow flexion. In 120° of flexion the native AL provided significantly more stability when compared to the reconstructed AL. Cyclic loading did not provide significant differences between native and reconstructed specimens. Conclusions We provide a feasible technique for AL reconstruction using the SHBT. The biomechanical results obtained in this study confirm the efficacy of the procedure. AL reconstruction restores the stability of the proximal radius, yet it cannot fully mimic the complex features of the intact AL. | ||
| 650 | 4 | |a Annular ligament |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Ligament reconstruction |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Brachialis tendon |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Superficial head |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Monteggia fracture |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Wegmann, Kilian |4 aut | |
| 700 | 1 | |a Ries, Christian |4 aut | |
| 700 | 1 | |a Lappen, Sebastian |4 aut | |
| 700 | 1 | |a Scaal, Martin |4 aut | |
| 700 | 1 | |a Müller, Lars Peter |4 aut | |
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