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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
1988-10-17
pubmed:abstractText
Peak latencies of somatosensory evoked potentials (SEPs) from nerves of the first digit (digit 1-SEP), 39 controls, and third digit (digit 3-SEP), 47 controls, and indicated for Erb's point, second cervical vertebra (Cv2) and contralateral cortical hand area correlated significantly with arm length. Single regression analysis for arm length for Erb's potentials and the Cv2 potential in digit 1-SEP, and multiple regression analysis for arm length and age for the Cv2 potential in digit 3-SEP, the cortical potentials and flexor carpi radialis H reflex were used for demonstration of root C6 or C7 pathology. Upper crossing of +3 S.D. was defined as abnormal. The combined examination yielded abnormalities in 81% of our 22 patients operated for compression of root C6 or C7 due to cervical disc protrusion. A minority of the patients showed multiple positive correlations between symptoms and electrophysiologic and myelographic findings. In others only one or the other investigative procedure provided confirmatory information, while, in a notable number (6 patients), these approaches revealed abnormalities when there were no or non-specific symptoms. The presented electrophysiological investigations are useful to determine the presence and severity of root C6 or C7 compression as well as the functional relevance of a myelographic abnormality.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0013-4694
pubmed:author
pubmed:issnType
Print
pubmed:volume
70
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
313-24
pubmed:dateRevised
2011-11-17
pubmed:meshHeading
pubmed:year
1988
pubmed:articleTitle
Digital nerve somatosensory evoked potentials and flexor carpi radialis H reflexes in cervical disc protrusion and involvement of the sixth or seventh cervical root: relations to clinical and myelographic findings.
pubmed:affiliation
Department of Clinical Neurophysiology, Academic Medical Center, Amsterdam, The Netherlands.
pubmed:publicationType
Journal Article