Fixation of Olecranon Fractures Using a Hybrid Intramedullary Screw and Tension Band Construct.

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Abstract

Conflict of interest statement: The authors declare that they have no conflicts of interest. 9. J Orthop. 2024 Feb 24;52:102-106. doi: 10.1016/j.jor.2024.02.026. eCollection 2024 Jun. Mayo classification of olecranon fractures revisited - Assessment of intra- and interobserver reliability based on CT scans. Harbrecht A(1), Hackl M(1), Ott N(1), Uschok S(1), Wegmann K(1)(2), Müller LP(1), Leschinger T(1). Author information: (1)University of Cologne, Faculty of Medicine and University Hospital, Center for Orthopedic and Trauma Surgery, Kerpener Str. 62, 50937, Cologne, Germany. (2)Orthopädische Chirurgie München, Munich, Germany. PURPOSE: Olecranon fractures are classified using the commonly accepted Mayo classification. Its reliability has been analyzed by means of radiographs. A CT scan is often obtained due to joint involvement. Purpose of this study was to evaluate the intra- and interobserver reliability of the Mayo classification based on CT examination. METHODS: Radiographic and CT images of 20 olecranon fractures were classified by four surgeons at two time points 30 days apart. Intra- and interobserver reliability were assessed using kappa coefficients. RESULTS: Mean intraobserver reliability between X-rays was substantial and between CTs almost perfect (0.76 and 0.82, respectively). Mean interobserver reliability was fair for X-rays and moderate for CTs (0.32 and 0.44, respectively). CONCLUSION: Despite the more detailed imaging compared with radiography only moderate interobserver reliability was found for the classification of olecranon fractures based on CT imaging. This might lead to inconsistent fracture classification in both scientific and clinical setting. © 2024 The Authors. DOI: 10.1016/j.jor.2024.02.026 PMCID: PMC10909575