Detection of missed fractures of hand and forearm in whole-body CT in a blinded reassessment

Background We examined the visibility of fractures of hand and forearm in whole-body CT and its influence on delayed diagnosis. This study is based on a prior study on delayed diagnosis of fractures of hand and forearm in patients with suspected polytrauma. Methods Two blinded radiologists examined...

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Bibliographic Details
Published in:BMC musculoskeletal disorders 2021-06, Vol.22 (1), p.1-589, Article 589
Main Authors: Kim, S, Goelz, L, Münn, F, Kim, D, Millrose, M, Eisenschenk, A, Thelen, S, Lautenbach, M
Format: Article
Language:English
Subjects:
Computed tomography
CT imaging
Delayed
Diagnosis
Ethics
Forearm
Fracture
Hand
Injuries
Late
Medical diagnosis
Missed
Musculoskeletal diseases
Patients
Polytrauma
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Summary:Background We examined the visibility of fractures of hand and forearm in whole-body CT and its influence on delayed diagnosis. This study is based on a prior study on delayed diagnosis of fractures of hand and forearm in patients with suspected polytrauma. Methods Two blinded radiologists examined CT-scans of patients with fractures of hand or forearm that were diagnosed later than 24 h after admission and control cases with unremarkable imaging of those areas. They were provided with clinical information that was documented in the admission report and were asked to examine forearm and hands. After unblinding, the visibility of fractures was determined. We examined if time of admission or slice thickness was a factor for late or missed diagnoses. Results We included 72 known fractures in 36 cases. Of those 65 were visible. Sixteen visible fractures were diagnosed late during hospital stay. Eight more fractures were detected on revision by the radiologists. Both radiologists missed known fractures and found new fractures that were not reported by the other. Missed and late diagnoses of fractures occurred more often around 5 pm and 1 am. Slice thickness was not significantly different between fractures and cases with fractures found within 24 h and those found later. Conclusions The number of late diagnosis or completely missed fractures of the hand and forearm may be reduced by a repeated survey of WBCT with focus on the extremities in patients with suspected polytrauma who are not conscious. Level of evidence III Keywords: Polytrauma, Fracture, Hand, Missed, Delayed, Late, Diagnosis, Whole-body CT, Fatigue
ISSN:1471-2474
1471-2474
DOI:10.1186/s12891-021-04425-z