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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1016/j.jseint.2020.08.015
|2 doi
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|a pubmed24n1063.xml
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|a (NLM)33345215
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Reeves, Jacob M
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Double-screw and quadruple-button fixation for the glenoid
|b Latarjet versus bone block applications
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1 |
|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 19.04.2022
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|a published: Electronic-eCollection
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|a Citation Status PubMed-not-MEDLINE
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|a Crown Copyright © 2020 Published by Elsevier Inc. on behalf of American Shoulder and Elbow Surgeons.
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|a BACKGROUND: The Latarjet and bone block procedures can be secured with screws or cortical buttons. The purpose of this biomechanical study was to compare quadruple buttons vs. double screws for fixation of anterior glenoid bone grafts
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|a METHODS: Twelve cadaveric scapulae (6 pairs) were denuded, resected, and potted. Pairs were randomized to quadruple-button or double-screw fixation after creation of a 15% anterior glenoid defect. The specimens underwent cyclic uniaxial compressive glenoid loading between 50 and 200 N for 1000 cycles at 1 Hz. Testing was repeated for conjoint tendon loads of 0 N (simulating a bone block procedure), 10 N, and 20 N (simulating a Latarjet procedure). Peak resultant relative coracoid graft displacement was optically tracked at 3 points (superior, central, and inferior) on the edge of the coracoid
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| 520 |
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|a RESULTS: No significant differences were found between buttons and screws for bone block applications or with 10 N of conjoint tendon loading (P ≥ .095). At 20 N of conjoint tendon loading, however, the screws were significantly more stable than the buttons (P ≤ .023). During the initial 20-N conjoint load application, all 3 points displaced significantly more with the button reconstruction than with the screws (P ≤ .01). Overall, mean displacements did not exceed 1 mm at any position on the coracoid, regardless of testing condition
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|a CONCLUSIONS: The quadruple-button technique is comparable to screws when the coracoid is used as a bone block or when conjoint tendon loading is minimized. However, at higher conjoint tendon loads, the screws produced a more stable coracoid graft than the buttons
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|a Journal Article
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4 |
|a EndoButton
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|a Latarjet
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| 650 |
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|a bone block
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| 650 |
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|a bone graft
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| 650 |
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4 |
|a button
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| 650 |
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4 |
|a coracoid
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| 650 |
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4 |
|a shoulder
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| 700 |
1 |
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|a Athwal, George S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Johnson, James A
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t JSES international
|d 2020
|g 4(2020), 4 vom: 11. Dez., Seite 780-785
|w (DE-627)NLM307818438
|x 2666-6383
|7 nnns
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| 773 |
1 |
8 |
|g volume:4
|g year:2020
|g number:4
|g day:11
|g month:12
|g pages:780-785
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| 856 |
4 |
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|u http://dx.doi.org/10.1016/j.jseint.2020.08.015
|3 Volltext
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