[Electroneurography in the carpal tunnel syndrome--selective antidromic sensory and orthodromic measurement of the median nerve in the wrist-palm segment with surface electrodes].

In addition to standard electroneurographic parameters of the median nerve the antidromic sensory and orthodromic conduction velocity in the wrist-palm segment were recorded with surface electrodes. Statistics with stepwise discriminant analysis were based on the data of 102 hands from normal persons and 54 hands from patients with carpal tunnel syndrome. The most sensitive parameter in diagnosis of the mild carpal tunnel syndrome is the antidromic sensory conduction velocity in the wrist-palm segment.