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The high-resolution ultrasonography and electrophysiological studies in nerve decompression for ulnar nerve entrapment at the elbow.

AbstractOBJECTIVE:
To discuss a combination of high-resolution ultrasound and electrophysiological examination in diagnosis and evaluation of ulnar nerve entrapment at the elbow.
METHOD:
We retrospectively reviewed 20 healthy volunteers and 278 patients of ulnar nerve entrapment divided into three groups by McGowan grade, and we treated patients with subcutaneous or modified submuscular ulnar nerve transposition randomly. All the patients were followed for 2 years. The diagnosis and effects were confirmed by preoperative or postoperative cross-sectional area (CSA), motor conduction velocity (MCV), sensory conduction velocity, and nerve action potential (NAP).
RESULTS:
Healthy volunteers and grade I patients had significant differences in CSA, MCV, and NAP; grade I, II, and III patients had significant differences in CSA, MCV, and NAP; all patients had significant differences in CSA, MCV, and NAP before and after operations.
CONCLUSION:
High-resolution ultrasound and electrophysiological examination can be used in diagnosis and evaluation of operations of ulnar nerve entrapment at the elbow.
AuthorsWenxiang Zhong, Wenchuan Zhang, Xuesheng Zheng, Shiting Li, Jun Shi
JournalJournal of reconstructive microsurgery (J Reconstr Microsurg) Vol. 28 Issue 5 Pg. 345-8 (Jun 2012) ISSN: 1098-8947 [Electronic] United States
PMID22588798 (Publication Type: Journal Article)
CopyrightThieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.
Topics
  • Action Potentials (physiology)
  • Adult
  • Aged
  • Case-Control Studies
  • Cubital Tunnel Syndrome (classification, diagnosis, surgery)
  • Decompression, Surgical (methods)
  • Female
  • Humans
  • Male
  • Middle Aged
  • Neural Conduction (physiology)
  • Retrospective Studies
  • Severity of Illness Index
  • Ulnar Nerve (diagnostic imaging, physiopathology)
  • Ultrasonography

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