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Published on: April 21, 2020
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An Overview of Laryngeal Muscle Single Fiber Electromyography
Tulio E Bertorini1, Aboubakar G Sharaf
1Department of Neurology, University of Tennessee Health Science Center, Memphis, Tennessee, U.S.A.
Summary
Laryngeal electromyography aids in diagnosing vocal cord paralysis and speech disorders. Single fiber electromyography shows potential for evaluating dysphonia by assessing neuromuscular transmission and motor unit architecture.
Area of Science:
- Neurology
- Otolaryngology
- Speech Pathology
Background:
- Needle electromyography is crucial for diagnosing neuromuscular diseases.
- Laryngeal electromyography (LEM) evaluates vocal cord paralysis and speech disorders.
- LEM differentiates organic from nonorganic causes and diagnoses nerve/muscle conditions.
Purpose of the Study:
- To review laryngeal muscles single fiber electromyography techniques.
- To discuss the potential value of SFEMG in evaluating dysphonia.
- To provide informative data on SFEMG in laryngeal muscle evaluation.
Main Methods:
- Review of laryngeal muscles single fiber electromyography techniques.
- Analysis of existing data on SFEMG in laryngeal disorders.
- Discussion of diagnostic applications in neuromuscular transmission.
Main Results:
- Laryngeal electromyography diagnoses vocal cord paralysis and differentiates causes.
- It aids in prognosis for traumatic laryngeal nerve injuries.
- Single fiber electromyography is used for neuromuscular transmission abnormalities.
Conclusions:
- Laryngeal electromyography is valuable for diagnosing vocal cord paralysis and related conditions.
- Single fiber electromyography offers potential for evaluating dysphonia.
- Further research is needed to fully establish SFEMG's role in laryngeal muscle assessment.
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