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Reliability of the classification and treatment of dislocations of the acromioclavicular joint

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Author(s)
Ilseon HwangJae-Sung SeoChang-Hyuk ChoiSang-Hun KoHyung Bin ParkJinmyoung DanChul-Hyun Cho
Keimyung Author(s)
Cho, Chul HyunHwang, Il Seon
Department
Dept. of Orthopedic Surgery (정형외과학)
Dept. of Pathology (병리학)
Journal Title
Journal of Shoulder and Elbow Surgery
Issued Date
2014
Volume
23
Issue
5
Keyword
Acromioclavicular jointdislocationRockwood classificationtreatmentreliabilityinterobserverintraobserver
Abstract
Background:

We evaluated interobserver and intraobserver reliability of the classification and treatment of acromioclavicular (AC) joint dislocations and assessed the impact of adding 3-dimensional computed tomography (3D CT) on the reliability of classification and treatment choice.


Methods:

Ten surgeons independently reviewed plain radiographs and 3D CT in 28 cases with AC joint dislocation. Images from each case were randomly presented to the observers, with plain radiographs alone being presented first, followed by plain radiographs plus 3D CT 2 weeks later. Four weeks later, they repeated the same survey to evaluate intraobserver reliability. Reliability was assessed on the basis of Fleiss κ values.


Results:

On the basis of plain radiographs alone, interobserver and intraobserver reliability of the Rockwood classification were fair (κ = .214) and moderate (κ = .474), respectively. Interobserver and intraobserver reliability of treatment were both fair (κ = .213 and .399, respectively). On the basis of a combination of plain radiographs and 3D CT, interobserver and intraobserver reliability of the Rockwood classification were slight (κ = .177) and moderate (κ = .565), respectively. Interobserver and intraobserver reliability of treatment were fair (κ = .253) and moderate (κ = .554), respectively. There were no significant differences in reliability between the two groups in terms of any κ values.


Conclusion:

This study suggests an overall lack of reliability of the Rockwood classification of AC joint dislocations and of decisions regarding their treatment. There is especially poor agreement between experienced shoulder surgeons. The addition of 3D CT did not improve reliability of classification and treatment of AC joint dislocations.
Keimyung Author(s)(Kor)
조철현
황일선
Publisher
School of Medicine
Citation
Ilseon Hwang et al. (2014). Reliability of the classification and treatment of dislocations of the acromioclavicular joint. Journal of Shoulder and Elbow Surgery, 23(5), 665–670. doi: 10.1016/j.jse.2014.02.005
Type
Article
ISSN
1058-2746
Source
https://www.sciencedirect.com/science/article/pii/S1058274614001141?via%3Dihub
DOI
10.1016/j.jse.2014.02.005
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/33886
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학)
1. School of Medicine (의과대학) > Dept. of Pathology (병리학)
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