Value of 3.0 Tesla magnetic resonace imaging in assessing preganglionic traumatic brachial plexus injury
Main Article Content
Abstract
A cross-sectional study was performed on 66 patients who had clinical manifestations of BPI, underwent 3.0 Tesla MRI of the brachial plexus and were treated by nerve surgery at VietDuc University and Vinmec Times City internaltional hospitals, Ha Noi, Viet Nam from March 2016 to July 2020. The objectives are to describe the characteristic features and determining the diagnostic accuracy of 3.0 Tesla magnetic resonance imaging (MRI) in assessing preganglionic brachial plexus injury (BPI) compared to the intraoperative findings . The features of preganglionic lesions on MRI were described. The diagnostic accuracy of MRI in assessing BPI was analyzed based on the intraoperative findings. The rate of total avulsion and pseudomeningocele were 52.21% and 39.39%, respectively, in which C7 and C8 nerve roots were the common location of injury. The sensitivity, specificity, accuracy, positive prognostic value and negative prognostic value of MRI for preganglionic injury were 68.39%, 93.14%, 81.52%, 89.83% and 76.89%, respectively. In conclusion, MRI was useful in detecting preoperatively the location and the injured degree of injury of traumatic brachial plexus. It should be used as a preoperative supplemental investigation tool.
Article Details
Keywords
brachial plexus, trauma, MRI, 3.0 Tesla
References
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