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Diagnostic Utility of Clinical Neurophysiology in Jerky Movement Disorders: A Review from the MDS Clinical Neurophysiology Study Group.
Mov Disord Clin Pract
December 2024
Krembil Research Institute, University Health Network, University of Toronto, Toronto, Ontario, Canada.
Background: Myoclonus and other jerky movement disorders are hyperkinetic disorders, the diagnosis of which heavily relies on clinical neurophysiological testing. However, formal diagnostic criteria are lacking, and recently the utility and reliability of these tests have been questioned.
Objective: The aim of this review was to assess the utilization of clinical neurophysiology testing to identify possible gaps and boundaries that might guide the development of new methods for a more precise diagnosis and in-depth understanding of myoclonus.
[A case of propriospinal myoclonus at sleep onset in which video-polysomnography with additional surface electromyogram was useful for diagnosis].
Rinsho Shinkeigaku
November 2024
Sleep Medical Center, Osaka Kaisei Hospital.
Propriospinal myoclonus at sleep onset (PSM-S) is a sudden myoclonic jerk that occurs during the transition from wakefulness to sleep. It is a sleep-related movement disorder that causes difficulty falling asleep due to involuntary movements that spread caudally and rostrally through the propriospinal tract. Diagnosis requires observation of movements and polysomnography (PSG), and there are few reports.
View Article and Find Full Text PDFUnraveling belly dancer's dyskinesia and other puzzling diagnostic contortions: A narrative literature review.
Brain Circ
June 2024
Department of Medicine, Federal University of Santa Maria, RS, Brazil.
Belly dancer's dyskinesia (BDD) is characterized by involuntary abdominal wall movements that are rhythmic, repetitive, and dyskinetic. The present study aims to review BDD's etiology, pathophysiology, and management. We searched six databases to locate existing reports on BDD published from 1990 to October 2023 in electronic form.
View Article and Find Full Text PDFExpanding the Spectrum of Diabetic Striatopathy: Insights from a Case of Hyperglycemia-Induced Propriospinal Myoclonus.
Tremor Other Hyperkinet Mov (N Y)
January 2024
Department of Neuromedicine, Bangur Institute of Neurosciences, IPGMER & SSKM Hospital, Kolkata, India.
This video abstract delves into the expanded definition of diabetic striatopathy, linked initially to hyperglycemia-induced choreoballism and striatal hyperintensity on magnetic resonance imaging, but now recognized to encompass a broader range of acute onset, non-choreoballistic movement disorders in diabetes mellitus, including tremors, hemifacial spasm, parkinsonism, different types of myoclonus, dystonia, restless leg syndrome, ataxia, and dyskinesias. We report the case of a 45-year-old female patient with type-2 diabetes mellitus who developed propriospinal myoclonus, characterized by painless, involuntary jerky movements of the bilateral lower limbs in a supine position after admission for suspected rhino-orbital mucormycosis. The abnormal movements resolved entirely following the control of her blood glucose levels, suggesting a direct correlation between hyperglycemia and the clinical picture.
View Article and Find Full Text PDFFunctional propriospinal myoclonus in neuroleptic malignant syndrome.
Neurol Sci
February 2024
Operative Unit of Neurology"Dimiccoli" General HospitalASL BT, Viale Ippocrate 11, 76121, Barletta, Italy.
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