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Sonographic findings in the ulnar nerve according to the electrophysiologic stage of carpal tunnel syndrome.

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dc.contributor.authorEom, YI-
dc.contributor.authorChoi, MH-
dc.contributor.authorKim, YK-
dc.contributor.authorJoo, IS-
dc.date.accessioned2017-03-29T02:24:41Z-
dc.date.available2017-03-29T02:24:41Z-
dc.date.issued2015-
dc.identifier.issn0278-4297-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/13668-
dc.description.abstractOBJECTIVES: Involvement of the ulnar nerve in patients with carpal tunnel syndrome is controversial. The aim of our study was to evaluate sonographic findings in the ulnar nerve in patients with carpal tunnel syndrome.

METHODS: We performed median and ulnar nerve conduction studies with sonography in 109 hands of 60 patients with clinically suspected carpal tunnel syndrome. Sonographic findings were analyzed with regard to electrophysiologic stages of carpal tunnel syndrome.

RESULTS: We found that the sensory conduction velocity of the ulnar nerve decreased as the electrophysiologic stage of carpal tunnel syndrome increased (P = .038), but there was no change in the cross-sectional area of the ulnar nerve at the wrist. The median-to-ulnar nerve cross-sectional area ratio at the wrist showed a significant correlation with the electrophysiologic stage of carpal tunnel syndrome (Spearman r = 0.431; P < .0001), in addition to the median nerve cross-sectional area at the wrist and the wrist-to- forearm median nerve cross-sectional area ratio.

CONCLUSIONS: In our study, ulnar nerve involvement in patients with carpal tunnel syndrome was shown electrophysiologically but not sonographically. These results suggest that morphologic changes in the ulnar nerve do not occur in carpal tunnel syndrome, although functional changes may occur.
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dc.language.isoen-
dc.subject.MESHAdult-
dc.subject.MESHAged-
dc.subject.MESHAged, 80 and over-
dc.subject.MESHCarpal Tunnel Syndrome-
dc.subject.MESHFemale-
dc.subject.MESHHumans-
dc.subject.MESHMale-
dc.subject.MESHMedian Nerve/diagnostic imaging-
dc.subject.MESHMedian Nerve/physiopathology-
dc.subject.MESHMiddle Aged-
dc.subject.MESHNeural Conduction/physiology-
dc.subject.MESHRetrospective Studies-
dc.subject.MESHSeverity of Illness Index-
dc.subject.MESHUlnar Nerve/diagnostic imaging-
dc.subject.MESHUlnar Nerve/physiopathology-
dc.subject.MESHUltrasonography-
dc.titleSonographic findings in the ulnar nerve according to the electrophysiologic stage of carpal tunnel syndrome.-
dc.typeArticle-
dc.identifier.pmid26014322-
dc.identifier.urlhttp://onlinelibrary.wiley.com/doi/10.7863/ultra.34.6.1027/abstract-
dc.contributor.affiliatedAuthor엄, 영인-
dc.contributor.affiliatedAuthor주, 인수-
dc.type.localJournal Papers-
dc.identifier.doi10.7863/ultra.34.6.1027-
dc.citation.titleJournal of ultrasound in medicine-
dc.citation.volume34-
dc.citation.number6-
dc.citation.date2015-
dc.citation.startPage1027-
dc.citation.endPage1034-
dc.identifier.bibliographicCitationJournal of ultrasound in medicine, 34(6). : 1027-1034, 2015-
dc.identifier.eissn1550-9613-
dc.relation.journalidJ002784297-
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Neurology
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