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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/15321

Title: Functional and radiographic medium-term outcome evaluation of the Humerus Block, a minimally invasive operative technique for proximal humeral fractures
Authors: Vundelinckx, Bart J.
Dierickx, Carmen A.
BRUCKERS, Liesbeth
Dierickx, Carl H.
Issue Date: 2012
Citation: JOURNAL OF SHOULDER AND ELBOW SURGERY, 21 (9), p. 1197-1206
Abstract: Background: Conservative treatment of severe displacement of proximal humeral fracture fragments yields bad functional results, but open operative techniques have a high risk of avascular necrosis of the humeral head. We performed a medium-term outcome evaluation of the Humerus Block (Synthes, Oberdorf, Switzerland), a minimally invasive technique used in selected patients with proximal humeral fractures, to investigate the functional and radiographic outcome. Materials and methods: Of 47 patients operated on with the Humerus Block, 34 with a minimum follow-up of 30 months and a mean follow-up of 4 years and 4 months, were invited for interview, radiographic evaluation, and functional analysis by the Constant, Disabilities of Arm, Shoulder and Hand (DASH) and the University of California, Los Angeles (UCLA) scorings. Paired t test was used to investigate equivalence of the geometric mean scores of the trauma and control arm, for the scores of the functional analyses, and for the scores for mobility of the shoulder. Results: Scorings and clinical examination showed that 85% of shoulder function and motion were preserved compared with the control arm. Radiographic evaluation showed very good healing and positioning of the fracture fragments, and only 10% developed avascular necrosis of the humeral head. Conclusions: With very satisfied patients; good clinical, functional, and radiographic outcomes; a short hospital stay; few complications; a reduced cost of implant; and a low incidence of avascular necrosis, this technique is a valuable alternative for operative treatment of proximal humeral fractures. Level of evidence: Level IV, Case Series, Treatment Study. (C) 2012 Journal of Shoulder and Elbow Surgery Board of Trustees.
Notes: Vundelinckx, BJ (reprint author), Berenbroekstr 29, B-3600 Genk, Belgium. Jessa Hosp, Orthopaed Shoulder & Trauma Dept, Hasselt, Belgium. Katholieke Univ Leuven, Louvain, Belgium. Univ Hasselt, Hasselt, Belgium. bartvundelinckx@hotmail.com
URI: http://hdl.handle.net/1942/15321
DOI: 10.1016/j.jse.2011.07.029
ISI #: 000307806100015
ISSN: 1058-2746
Category: A1
Type: Journal Contribution
Validation: ecoom, 2014
Appears in Collections: Research publications

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