Correlation of single-fiber electromyography studies and functional status in patients with amyotrophic lateral sclerosis.

Róbert Rostás, István Fekete, László Horváth, Sándor Márton, Klára Fekete

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Article in Open medicine (Warsaw, Poland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 authors.

Róbert RostásDivision of Radiology and Imaging Science, Department of Medical Imaging, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary.

István FeketeDepartment of Neurology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary.

László HorváthDepartment of Pharmaceutical Surveillance and Economy, Faculty of Pharmacy, University of Debrecen, 4032 Debrecen, Hungary.

Sándor MártonInstitute of Political Science and Sociology, Faculty of Humanities, University of Debrecen, Debrecen, Hungary.

Klára FeketeDepartment of Neurology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary.

Funding

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6 · The paper itself

Abstract

Objective: Our aim was to examine the significance of single-fiber electromyography (SFEMG) in patients diagnosed with amyotrophic lateral sclerosis (ALS) and determine the best correlating parameter with SFEMG parameters and clinical scales across different muscles including facial muscles. Methods: SFEMG examinations were conducted on the extensor digitorum (ED), frontalis, and orbicularis oculi muscles. Mean jitter, percentage of increased jitter, fiber density (FD), and impulse blocking percentage were compared to reference values and functional scales. Results: Significant differences ( Conclusion: SFEMG examination emerges as a valuable tool for better understanding ALS and holds potential for assessing prognosis. Combined jitter and FD analysis showed the strongest correlation with clinical scales. In addition to the ED muscle, the orbicularis oculi muscle may be important in the assessment.

Indexed as

amyotrophic lateral sclerosisfiber densityfrontalis musclejitterorbicularis oculi muscle

Identifiers

PMID38953009

DOI10.1515/med-2024-0990

PMCPMC11215301

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