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Yari SS, Bowers NL, Craig MA, et al. Management of distal humeral coronal shear fractures. World J Clin Cases. 2015;3(5):405-17doi: 10.12998/wjcc.v3.i5.405.
Yari, S. S., Bowers, N. L., Craig, M. A., & Reichel, L. M. (2015). Management of distal humeral coronal shear fractures. World journal of clinical cases, 3(5), 405-17. https://doi.org/10.12998/wjcc.v3.i5.405
Yari, Shahram S, et al. "Management of distal humeral coronal shear fractures." World journal of clinical cases vol. 3,5 (2015): 405-17. doi: https://doi.org/10.12998/wjcc.v3.i5.405
Yari SS, Bowers NL, Craig MA, Reichel LM. Management of distal humeral coronal shear fractures. World J Clin Cases. 2015 May 16;3(5):405-17. doi: 10.12998/wjcc.v3.i5.405. PMID: 25984515; PMCID: PMC4419104.
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World J Clin Cases. 2015 May 16;3(5):405-17. doi: 10.12998/wjcc.v3.i5.405.

Management of distal humeral coronal shear fractures.

World journal of clinical cases

Shahram S Yari, Nathan L Bowers, Miguel A Craig, Lee M Reichel

Affiliations

  1. Shahram S Yari, Nathan L Bowers, Miguel A Craig, Baylor College of Medicine, Medical School, One Baylor Plaza, Houston, TX 77030, United States.

PMID: 25984515 PMCID: PMC4419104 DOI: 10.12998/wjcc.v3.i5.405

Abstract

Coronal shear fractures of the distal humerus are rare, complex fractures that can be technically challenging to manage. They usually result from a low-energy fall and direct compression of the distal humerus by the radial head in a hyper-extended or semi-flexed elbow or from spontaneous reduction of a posterolateral subluxation or dislocation. Due to the small number of soft tissue attachments at this site, almost all of these fractures are displaced. The incidence of distal humeral coronal shear fractures is higher among women because of the higher rate of osteoporosis in women and the difference in carrying angle between men and women. Distal humeral coronal shear fractures may occur in isolation, may be part of a complex elbow injury, or may be associated with injuries proximal or distal to the elbow. An associated lateral collateral ligament injury is seen in up to 40% and an associated radial head fracture is seen in up to 30% of these fractures. Given the complex nature of distal humeral coronal shear fractures, there is preference for operative management. Operative fixation leads to stable anatomic reduction, restores articular congruity, and allows initiation of early range-of-motion movements in the majority of cases. Several surgical exposure and fixation techniques are available to reconstruct the articular surface following distal humeral coronal shear fractures. The lateral extensile approach and fixation with countersunk headless compression screws placed in an anterior-to-posterior fashion are commonly used. We have found a two-incision approach (direct anterior and lateral) that results in less soft tissue dissection and better outcomes than the lateral extensile approach in our experience. Stiffness, pain, articular incongruity, arthritis, and ulnohumeral instability may result if reduction is non-anatomic or if fixation fails.

Keywords: Approach; Coronal; Distal; Fractures; Humerus; Management; Shear; Two-incision

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