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KMID : 1195520120050010015
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Journal of Korean Orthopaedic Ultrasound Society
2012 Volume.5 No. 1 p.15 ~ p.21
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Usefuless of Ultrasonography Examination in Radial Nerve Palsy Associated with Humerus Fracture - Technical Report -
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Lee Sang-Hyuk
Sung Chang-Meen
Park Hyung-Bin
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Abstract
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Primary radial nerve palsy occurs in association with approximately 10% of humerus shaft fractures. Secondary radial nerve palsy, which is iatrogenic, occurs in association with approximately 10% to 20% of humerus shaft fractures. Whether the radial nerve palsy is caused primarily by the fracture or secondarily by the surgery, it is necessary to determine whether the radial nerve is being disrupted or compressed by the surrounding structures. This evaluation will dictate whether to await natural recovery or to perform surgical exploration. The current authors report one case of primary radial nerve palsy, due to the humerus fracture, and one case of secondary radial nerve palsy, associated with the osteosynthesis procedure. In both patients, the radial nerve was assessed for anatomical integrity with ultrasonography. Nerve disruption was found in one patient, and a sural nerve graft was performed. Nerve adhesion was found in the other patient, and neurolysis was performed. In both cases, the clinical results were satisfactory. This report focuses on the usefulness of ultrasonography in radial nerve assessment in patients with radial nerve palsy.
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KEYWORD
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Humerus shaft fracture, Radial nerve palsy, Ultrasonography
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