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Locking plate fixation with and without inferomedial screws for proximal humeral fractures: a biomechanical study.

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posted on 22.11.2019 by Neil G. Burke, Jim Kennedy, Grainne Cousins, David Fitzpatrick, Hannan Mullett

PURPOSE. To compare the efficacy of locking plate fixation with and without inferomedial screws in maintaining the reduction of a proximal humeral fracture. METHODS. 22 synthetic humerus models were used. A standardised 3-part proximal humeral fracture with a 4-mm wedge segment was created and fixed with a locking plate and screws with (n=11) and without (n=11) inferomedial screws. The intrafragmentary motion of the construct at 250, 500, 750, and 1000 cycles of 532 N loading, and the load to failure of the 2 groups were compared. RESULTS. Locking plate fixation with inferomedial screws reduced the mean intrafragmentary motion in all cycles (p

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This article is also available at http://www.josonline.org/index.php/JOS/article/view/2525/1062

Published Citation

Burke NG, Kennedy J, Cousins G, Fitzpatrick D, Mullett H. Locking plate fixation with and without inferomedial screws for proximal humeral fractures: a biomechanical study. Journal of Orthopaedic Surgery (Hong Kong). 2014;22(2):190-4.

Publication Date

01/08/2014

Publisher

Sage

PubMed ID

25163953

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