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[Paraneoplastic opsoclonus-myoclonus syndrome].
Zh Nevrol Psikhiatr Im S S Korsakova
December 2024
Kemerovo State Medical University, Kemerovo, Russia.
Opsoclonus-myoclonus syndrome (OMS) is a rare neurological disorder characterized by a combination of main symptoms: opsoclonus, myoclonus, ataxia, psychoemotional and behavioral disturbances. OMS can develop in children as a result of immunopathological processes against the background of infectious or oncological pathology and lead to persistent neurological deficit. A case of ten-year observation of paraneoplastic OMS associated with neuroblastoma in a child is presented.
View Article and Find Full Text PDF[Breathing disorders during sleep in patients with dystrophic myotonia].
Zh Nevrol Psikhiatr Im S S Korsakova
December 2024
Republican Scientific and Practical Center of Neurology and Neurosurgery, Minsk, Belarus.
Objective: To analyze the results of nocturnal breathing parameters during sleep based on nocturnal pulse oximetry and to study of characteristics of external respiration in genetically confirmed patients with dystrophic myotonia (DM).
Material And Methods: The subjects of the study were patients with genetically confirmed DM types 1 and 2 who were hospitalized in the neurological departments of the Republican Scientific and Practical Center for Neurology and Neurosurgery. The clinical picture of the disease, comorbidities, sleep questionnaires, laboratory tests, overnight pulse oximetry and spirometry were performed and analyzed.
[Investigation of general toxic effects of Relatox in comparison with Dysport].
Zh Nevrol Psikhiatr Im S S Korsakova
December 2024
OOO NBC «Pharmbiomed», Moscow, Russia.
Objective: To evaluate the toxic effects of the agent Relatox on mature outbred rats and mice in an acute experiment in comparison with the registered analogue Dysport.
Material And Methods: Based on the aim of experiment, the acute toxic effects of Relatox and Dysport were assessed on two animal species: rats and mice at intraperitoneal and intramuscular administration at dose levels that made it possible to calculate the toxicological parameter values (initially 10-150 U/kg with subsequent usage of additional doses 20 U/kg to 300 U/kg depending on the agent and route of administration). The LD values and other acute toxic parameters were calculated using probit analysis.
Tachycardiomyopathy Treated With Ablation by Using 3D Mapping System in a Patient With Friedreich Ataxia.
Pacing Clin Electrophysiol
December 2024
Department of Cardiology, Dr. Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital, Istanbul, Turkey.
This case report presents the management of tachycardiomyopathy (TCM) in a patient with Friedreich ataxia, a hereditary disorder characterized by progressive neurodegeneration and associated cardiac complications. The patient exhibited severe tachycardia-induced cardiac dysfunction, complicating the clinical picture due to the overlapping neurological symptoms of Friedreich ataxia. Utilizing a 3D mapping system, catheter ablation was performed to accurately identify and target the arrhythmogenic foci contributing to the patient's TCM.
View Article and Find Full Text PDFPharmacological blocking of spinal GABA receptors in monkeys reduces sensory transmission to the spinal cord, thalamus, and cortex.
Cell Rep
December 2024
Rehab Neural Engineering Labs, University of Pittsburgh, Pittsburgh, PA, USA; Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA; Center for Neural Basis of Cognition, Pittsburgh, PA, USA; Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, USA; Department of Neurobiology, University of Pittsburgh, Pittsburgh, PA, USA. Electronic address:
A century of research established that GABA inhibits proprioceptive inputs presynaptically to sculpt spinal neural inputs into skilled motor output. Recent results in mice challenged this theory by showing that GABA can also facilitate action potential conduction in proprioceptive afferents. Here, we tackle this controversy in monkeys, the most human-relevant animal model, and show that GABA receptors (GABARs) indeed facilitate sensory inputs to spinal motoneurons and interneurons and that this mechanism also influences sensory transmission to supraspinal centers.
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