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Sural‐to‐radial amplitude ratio in the diagnosis of diabetic sensorimotor polyneuropathy
Author(s) -
Barnett Carolina,
Perkins Bruce A.,
Ngo Mylan,
Todorov Slavko,
Leung Rita,
Bril Vera
Publication year - 2012
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.22166
Subject(s) - sural nerve , polyneuropathy , medicine , diabetes mellitus , sensory system , peripheral neuropathy , physical medicine and rehabilitation , anatomy , neuroscience , psychology , endocrinology
In this investigation we measured sural and radial sensory potentials and the sural/radial amplitude ratio (SRAR) in 49 patients with diabetes and diabetic sensorimotor polyneuropathy (DSP) according to consensus criteria. Forty‐five (92%) of the patients had a Toronto Clinical Neuropathy Score (TCNS) ≤5, which is consistent with a diagnosis of DSP. Using a threshold for SRAR of <0.21, we found no advantage of using the SRAR over the sural nerve potential amplitude alone in sensitivity for identification of DSP. Muscle Nerve 45: 126–, 2012

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