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Guidelines for single fiber EMG |
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| Authors: | Donald B. Sanders Kimiyoshi Arimura LiYing Cui Mustafa Ertaş Maria Elena Farrugia James Gilchrist João Aris Kouyoumdjian Luca Padua Matthew Pitt Erik Stålberg |
| Affiliation: | 1. Duke University Medical Center, Durham, NC, USA;2. Department of Neurology and Geriatrics, Kagoshima University, Graduate School of Medical and Dental Sciences, Kagoshima, Japan;3. Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China;4. Istanbul Faculty of Medicine, Istanbul, Turkey;5. Institute of Neurological Sciences, Glasgow, Scotland, UK;6. Southern Illinois University School of Medicine, Springfield, IL USA;7. Faculdade Medicina Sao Jose Rio Preto (FAMERP), Sao Paulo, Brazil;8. Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Department of Geriatrics, Neurosciences and Orthopaedics, Università Cattolica del Sacro Cuore, Rome, Italy;9. Department of Clinical Neurophysiology, Great Ormond Street Hospital, London, UK;10. Department of Clinical Neurophysiology, Uppsala University, Uppsala, Sweden |
| Abstract: | This document is the consensus of international experts on the current status of Single Fiber EMG (SFEMG) and the measurement of neuromuscular jitter with concentric needle electrodes (CNE – CN-jitter). The panel of authors was chosen based on their particular interests and previous publications within a specific area of SFEMG or CN-jitter. Each member of the panel was asked to submit a section on their particular area of interest and these submissions were circulated among the panel members for edits and comments. This process continued until a consensus was reached. Donald Sanders and Erik Stålberg then edited the final document. |
| Keywords: | Corresponding author at: Box 3403, Duke University Medical Center, Durham, NC 27710, USA. Single fiber EMG Jitter Fiber density Neuromuscular transmission Neuropathy Myopathy µm micrometer µSec microsecond µV microvolt AAEM American Association of Electrodiagnostic Medicine ALS amyotrophic lateral sclerosis AP action potential ASFAP apparent single fiber action potential Cm centimeter CMAP compound muscle action potential CNE concentric needle electrode CR cervical radiculopathy ED extensor digitorum FD fiber density GBS Guillain-Barré syndrome IDI interdischarge interval IPI interpotential interval LEM Lambert-Eaton myasthenia mA milliamp MCD mean difference of consecutive differences MG myasthenia gravis MISI mean interspike interval mm millimeter MMN multifocal motor neuropathy Ms millisecond MSD mean difference of sorted differences MU motor unit MUP motor unit potential MuSK muscle specific tyrosine kinase Na+ sodium NMT neuromuscular transmission OO orbicularis oculi PV propagation velocity R2 late component of the blink reflex SFAP single fiber action potential SFE single fiber EMG electrode SFEMG single fiber EMG SPACE Stimulated potential analysis using concentric needle electrodes TA tibialis anterior VRF velocity recovery function |
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