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When patients with Creutzfeldt-Jakob disease are misdiagnosed as having nonconvulsive status epilepticus.
Epilepsia
January 2025
Epilepsy Unit, Hôpital Gui de Chauliac, Montpellier, France.
Contemporary studies report nonconvulsive status epilepticus (NCSE) in Creutzfeldt-Jakob disease (CJD), based on benzodiazepine (BZP)-responsive epileptiform discharges on the electroencephalogram (EEG), with the following false syllogism: (1) intravenous (IV) administration of BZPs usually suppress ictal activity in NCSE; (2) in CJD, periodic sharp wave complexes (PSWCs) are suppressed by IV BZPs; (3) therefore, these patients have NCSE. This is a simplistic and invalid conclusion, because authors of 20th-century science reports have clearly shown that IV BZPs, short-acting barbiturates, and drugs with no antiseizure effects, such as chloral hydrate and IV naloxone, suppress PSWCs, but patients fall asleep with no clinical improvement. In contrast, IV methylphenidate transiently improves both the EEG and clinical states.
View Article and Find Full Text PDFIctal SPECT Imaging Findings in Parkinson's Disease with Rapid Eye Movement Sleep Behavior Disorder.
Mov Disord Clin Pract
December 2024
Department of Neurology and Nuclear Medicine, University of Stellenbosch, Cape Town, South Africa.
Background: Rapid eye movement sleep behavior disorder (RBD) is an established prodrome and symptom of synucleinopathies. The pathophysiology of this disorder has been well studied but there is a lack of functional imaging data to illustrate the dysfunction in vivo.
Objectives: We aimed to investigate the functional changes of RBD, by performing ictal REM sleep SPECT, comparing subjects with Parkinson's Disease (PD) and evidence of RBD to subjects with PD and no RBD.
Combining three-phase EEG pattern and ipsilateral isolated eye deviation to predict seizure focus in the frontal interhemispheric fissure.
Epilepsy Behav
January 2025
Department of Neurosurgery, Comprehensive Epilepsy Center, University of Tsukuba Hospital, 2-1-1 Amakubo, Tsukuba, Ibaraki 305-8576, Japan. Electronic address:
Objective: Identification of seizure focus on the interhemispheric fissure (IHF) is often challenging at the step of scalp video-EEG monitoring on preoperative evaluations. We previously reported ictal three-phase EEG patterns (3Ph-EEG) and isolated eye deviation (isolated ED) to side of the seizure focus during seizures, each of which is available for identifying the seizure focus for frontal IHF (F-IHF). This study aimed to evaluate the accuracy of predicting the F-IHF focus using a combination of 3Ph-EEG and isolated ED in patients with frontal lobe epilepsy and the accuracy of predicting lateralization of the F-IHF focus using the predominance of findings.
View Article and Find Full Text PDFDecrement of choroid vascularization during spontaneous migraine attacks: An optical coherence tomography angiography study.
Eur J Neurol
January 2025
Dipartimento Universitario di Neuroscienze, Università Cattolica del Sacro Cuore, Rome, Italy.
Objective: This study aimed to analyze the microcirculation of the macula, the optic nerve, and the choroid in patients with migraine by optical coherence tomography angiography (OCTA) during spontaneous migraine attacks, comparing the findings with scans performed in the interictal period in the same subjects and healthy controls (HCs).
Methods: In this case-crossover design study, patients diagnosed with migraine who underwent an OCTA during a migraine attack were enrolled. A cohort of HCs was recruited for comparison.
Generalized paroxysmal fast activity in a cohort of patients with epilepsy with eyelid myoclonia.
Clin Neurophysiol
November 2024
Department of Pediatrics, Children's Medical Center, Peking University First Hospital. Electronic address:
Objective: This study aimed to analyze and summarize the characteristics of generalized paroxysmal fast activity (GPFA) via electroencephalography (EEG) in patients with epilepsy with eyelid myoclonia (EEM) and to determine its relationship with clinical outcome.
Methods: Patients with EEM were selected from our EEG database. The collected data included detailed clinical information, factors that triggered GPFA, and the relationship between GPFA and eyelid myoclonia seizures.
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