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Distribution of Peripheral Nerve Injuries in Patients with a History of Shoulder Trauma Referred to a Tertiary Care Electrodiagnostic Laboratory

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Author(s)
Chul-Hyun ChoDon-Kyu KimDu Hwan Kim
Keimyung Author(s)
Cho, Chul Hyun
Department
Dept. of Orthopedic Surgery (정형외과학)
Journal Title
Diagnostics
Issued Date
2020
Volume
10
Issue
11
Keyword
electrodiagnosisshoulder dislocationproximal humerus fractureclavicle fracturenerve injurybrachial plexus injuryaxillary nerve
Abstract
Peripheral nerve injury after shoulder trauma is an underestimated complication. The distribution of the affected nerves has been reported to be heterogeneous in previous studies. This study aimed to describe the distribution of peripheral nerve injuries in patients with a history of shoulder trauma who were referred to a tertiary care electrodiagnostic laboratory. A retrospective chart review was performed for all cases referred to a tertiary care electrodiagnostic laboratory between March 2012 and February 2020. The inclusion criteria were a history of shoulder trauma and electrodiagnostic evidence of nerve injury. Data on patient demographics, mechanism of injury, degree of weakness, clinical outcomes at the final follow-up, and electrodiagnostic results were retrieved from medical records. Fifty-six patients had peripheral nerve injuries after shoulder trauma. Overall, isolated axillary nerve injury was the most common. A brachial plexus lesion affecting the supraclavicular branches (pan-brachial plexus and upper trunk brachial plexus lesions) was the second most common injury. In cases of shoulder dislocation and proximal humerus fracture, isolated axillary nerve injury was the most common. Among acromioclavicular joint injuries and clavicular fractures, lower trunk brachial plexus injuries and ulnar neuropathy were more common than axillary nerve or upper trunk brachial plexus injuries. Patients with isolated axillary nerve lesions showed a relatively good recovery; those with pan-brachial plexus injuries showed a poor recovery. Our study demonstrated the distribution of peripheral nerve injuries remote from displaced bony structures. Mechanisms other than direct compression by displaced bony structures might be involved in nerve injuries associated with shoulder trauma. Electrodiagnostic tests are useful for determining the extent of nerve damage after shoulder trauma.
Keimyung Author(s)(Kor)
조철현
Publisher
School of Medicine (의과대학)
Citation
Chul-Hyun Cho et al. (2020). Distribution of Peripheral Nerve Injuries in Patients with a History of Shoulder Trauma Referred to a Tertiary Care Electrodiagnostic Laboratory. Diagnostics, 10(11), 887–897. doi: 10.3390/diagnostics10110887
Type
Article
ISSN
2075-4418
Source
https://www.mdpi.com/2075-4418/10/11/887
DOI
10.3390/diagnostics10110887
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/43051
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학)
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