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Motor nerve impairment in diabetic patients with symmetrical distal sensory polyneuropathy: A single nerve fiber conduction velocity study
Author(s) -
Sunter Gulin,
Uluc Kayihan,
Salcini Celal,
Temucin Cagri Mesut,
Yilmaz Orhan,
Tanridag Tulin,
Us Onder,
Padua Luca
Publication year - 2014
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.23876
Subject(s) - medicine , tibial nerve , nerve conduction velocity , nerve fiber , polyneuropathy , sensory system , motor nerve , sensory nerve , diabetic neuropathy , nerve conduction study , diabetes mellitus , anatomy , nerve conduction , surgery , endocrinology , neuroscience , psychology , stimulation
: In this study we investigated the clinical utility of single fiber conduction velocity (SF‐CV) testing in the evaluation of motor nerve function in diabetic patients with signs and symptoms of symmetrical distal sensory polyneuropathy (DSP). SF‐CV findings were compared with conventional nerve conduction studies (NCS). Methods : Twenty‐eight consecutive type 2 diabetic patients with clinically diagnosed DSP were studied. Results : SF‐CV testing of the tibial nerve was abnormal in 16 (57.1%) patients. Twelve patients with normal conventional motor NCS had abnormal findings by tibial SF‐CV. SF‐CV testing of the tibial nerve was significantly superior to all other motor NCS. Conclusions : SF‐CV testing of the tibial nerve often demonstrates motor nerve impairment in diabetic patients with sensory DSP when conventional NCS are normal. Muscle Nerve 49 : 84–89, 2014