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Does forearm mixed nerve conduction velocity reflect retrograde changes in carpal tunnel syndrome?
Author(s) -
Hansson Sture
Publication year - 1994
Publication title -
muscle and nerve
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.025
H-Index - 145
eISSN - 1097-4598
pISSN - 0148-639X
DOI - 10.1002/mus.880170704
Subject(s) - forearm , nerve conduction velocity , median nerve , carpal tunnel syndrome , medicine , anatomy , sensory nerve , carpal tunnel , sensory system , motor nerve , surgery , neuroscience , psychology
The mixed nerve conduction velocity of the median nerve in the forearm diverged from the motor and sensory nerve conduction velocities and correlated poorly with the severity of carpal tunnel syndrome (CTS) in 61 hands. In contrast, the motor and sensory nerve conduction velocities in the forearm correlated well with CTS severity. The mixed nerve conduction velocity in the forearm is probably determined by nonlesioned fibers such as those from the cutaneous palmar branch of the median nerve. The motor and sensory, but not the mixed nerve conduction velocities in the forearm may be used to estimate possible retrograde impairment in CTS. © 1994 John Wiley & Sons, Inc.