ArticleMovement disorders : official journal of the Movement Disorder Society2024
Substantiating the Short Burst Duration in Cortical Myoclonus.
Article in Movement disorders : official journal of the Movement Disorder Society, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Orthostatic Myoclonus-Clinical and Electrophysiological Features in a Large Retrospective Cohort.Movement disorders clinical practice · 2026Article
- Recent advances in clinical neurophysiology of myoclonus.Clinical parkinsonism & related disorders · 2026Article
- Benign Idiopathic Myoclonus: A New Clinical Entity?Movement disorders clinical practice · 2025Article
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7 authors.
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Abstract
backgroundMyoclonus is characterized by involuntary, shock-like movements, of which cortical (CM) and non-cortical myoclonus (NCM) are most common. Electrophysiology can help differentiate between these subtypes; however, the diagnostic value of several features is largely unknown.
objectiveThis study aims to determine the diagnostic value of the burst duration in distinguishing CM and NCM.
methodsWe manually identified the burst duration of 8 patients with CM, confirmed by electromyography-electroencephalography registration or somatosensory-evoked potentials, and 19 patients with NCM, suspected due to a myoclonus-dystonia phenotype (MYC/DYT-SGCE positive and negative).
resultsThe sensitivity and specificity were calculated to assess the diagnostic value. The burst duration of CM (31.1 ms) was significantly shorter than that of NCM (56.7 ms), with a sensitivity of 100% and a specificity of 89.5% at a threshold of 45.0 ms. A minimum of 10 randomly selected bursts were sufficient for reliable diagnostic accuracy.
conclusionThe burst duration seems a valuable supportive diagnostic criterion for distinguishing CM and NCM.
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