High-Resolution Ultrasound for Diagnosing Severity of Traumatic Peripheral Nerve Injuries-in-Continuity: A Systematic Review, Meta-Analysis of Individual Participants' Data, and Illustrative Patient Series.
Jackson M Cathey, Christian F Zirbes, Kevin M Klifto et al.
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From the abstract
High-resolution ultrasound (HRUS) may help evaluate traumatic peripheral nerve injuries (PNIs), but the sonographic features that distinguish low- from high-grade injury remain poorly defined. This study evaluated the utility of HRUS for differentiating injury severity by synthesizing data from the literature and applying these findings to an illustrative institutional patient…
Reported results
The systematic review included 74 patients from 24 studies. Focal nerve enlargement, hypoechoic nerve perimeter, and disruption of fascicular echotexture were observed in 82.4%, 63.5%, and 45.9% of patients, respectively. Fascicular echotexture disruption was present in 73.8% of high-grade injuries compared to 9.4% of low-grade injuries.