The diagnostic characteristics and reliability of radiological methods used in the assessment of scaphoid fracture union: a systematic review

Aims: To evaluate the diagnostic characteristics and reliability of radiological methods used to assess scaphoid fracture union through a systematic review and meta-analysis. Methods: MEDLINE, Embase, and the Cochrane Library were searched from inception to June 2022. Any study reporting data on t...

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Main Authors: Gemma Smith, Wai H. Teng, Nicholas D. Riley, Christopher Little, Edward Sellon, Neal Thurley, Joe Dias, Benjamin J. F. Dean
Format: Article
Language:English
Published: The British Editorial Society of Bone & Joint Surgery 2025-03-01
Series:Bone & Joint Open
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Online Access:https://online.boneandjoint.org.uk/doi/epdf/10.1302/2633-1462.63.BJO-2024-0211.R1
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Summary:Aims: To evaluate the diagnostic characteristics and reliability of radiological methods used to assess scaphoid fracture union through a systematic review and meta-analysis. Methods: MEDLINE, Embase, and the Cochrane Library were searched from inception to June 2022. Any study reporting data on the diagnostic characteristics and/or the reliability of radiological methods assessing scaphoid union was included. Data were extracted and checked for accuracy and completeness by pairs of reviewers. Methodological quality was assessed using the QUADAS-2 tool. Results: A total of 13 studies were included, which were three assessed radiographs alone, six CT alone, and four radiographs + CT. Diagnostic sensitivity was assessed by CT in three studies (0.78, 0.78, and 0.73) and by radiographs in two studies (0.65, 0.75). Diagnostic specificity was assessed by CT in three studies (0.96, 0.8, 0.4) and by radiographs in two studies (0.67, 0.4). Interobserver reliability was assessed for radiographs by seven studies (two fair, four moderate, and one substantial) and for CT in nine studies (one fair, one moderate, six substantial, and one almost perfect). Conclusion: There is evidence to support both the use of CT and radiographs in assessing scaphoid fracture union. Although CT appears superior in terms of both its diagnostic characteristics and reliability, further research is necessary to better define the optimal clinical pathways for patients. Cite this article: Bone Jt Open 2025;6(3):246–253.
ISSN:2633-1462