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@article{1396966,
author = {Šrotová, Iva and Vlčková, Eva and Dušek, Ladislav and Bednařík, Josef},
article_location = {Hoboken},
article_number = {8},
doi = {http://dx.doi.org/10.1002/brb3.760},
keywords = {A-wave; electromyography; F-wave; late response; nerve conduction study; neurography; neuropathy},
language = {eng},
issn = {2162-3279},
journal = {Brain and Behavior},
title = {A-waves increase the risk of developing neuropathy},
volume = {7},
year = {2017}
}
TY - JOUR
ID - 1396966
AU - Šrotová, Iva - Vlčková, Eva - Dušek, Ladislav - Bednařík, Josef
PY - 2017
TI - A-waves increase the risk of developing neuropathy
JF - Brain and Behavior
VL - 7
IS - 8
SP - 1-7
EP - 1-7
PB - John Wiley and Sons Inc.
SN - 21623279
KW - A-wave
KW - electromyography
KW - F-wave
KW - late response
KW - nerve conduction study
KW - neurography
KW - neuropathy
N2 - Introduction: A-waves, which are observed following the M-wave during motor nerve conduction studies (NCS), are late responses that are frequently found in many types of neurogenic disorders. However, A-waves are also common in healthy individuals, where their significance remains unclear. The aim of this study was to examine whether the occurrence of A-waves does in fact represent an increased risk for the future development of changes upon NCS or needle electromyography (EMG) in the corresponding nerve. Methods: Nerve conduction studies/needle electromyography findings at control examination were evaluated in relation to the occurrence of initial A-waves in 327 individuals who had undergone repeated NCS/EMG examination and exhibited normal initial findings, with or without the occurrence of A-waves as the only acceptable abnormality. Results: The odds ratio, which reflects the predictive power of the occurrence of A-waves at the initial testing for the development of an abnormality (neuropathy or radiculopathy) at the follow-up examination, ranged from 2.7 (p=.041) in the tibial nerve and 3.9 (p=.034) in peroneal one, to 30.0 (p=.002) in the ulnar nerve. Conclusions: A-waves constitute an initial abnormality in all nerves, and they may be predictive for the future development of broader NCS/EMG abnormalities in the corresponding nerve.
ER -
ŠROTOVÁ, Iva, Eva VLČKOVÁ, Ladislav DUŠEK and Josef BEDNAŘÍK. A-waves increase the risk of developing neuropathy. \textit{Brain and Behavior}. Hoboken: John Wiley and Sons Inc., 2017, vol.~7, No~8, p.~1-7. ISSN~2162-3279. Available from: https://dx.doi.org/10.1002/brb3.760.
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