Abstract:
:The F-wave was used to estimate the fastest motor nerve conduction velocity (MNCV) along the proximal segment (spinal cord to knee) of the axons of the tibial nerve in 65 control subjects, 8 patients with diabetic polyneuropathy, and 4 patients with Charcot-Marie-Tooth disease. Terminal latencies and MNCV along the distal segment (knee to ankle) of the nerve were also estimated with the conventional M-response technique. This article describes another method for estimating sensory nerve conduction velocity (SNCV) along 1a fibers of the tibial nerve for the spinal cord-to-knee segment. Proximal and distal MNCV showed moderate slowing in patients with diabetic polyneuropathy and severe slowing in those with Charcot-Marie-Tooth disease. In 17 control subjects, proximal MNCV for the axons supplying the abductor hallucis muscle was compared to that estimated for the axons to the gastrocnemius muscle. MNCV for the proximal is faster than that for the distal small muscle. In 2 patients, M- and F-responses were not obtained from the abductor hallucis; in these patients, effective estimation of the proximal MNCV was made from the gastrocnemius muscle and showed marked reduction.
journal_name
Muscle Nervejournal_title
Muscle & nerveauthors
Panayiotopoulos CP,Scarpalezos S,Nastas PEdoi
10.1002/mus.880010303subject
Has Abstractpub_date
1978-05-01 00:00:00pages
181-9issue
3eissn
0148-639Xissn
1097-4598journal_volume
1pub_type
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