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Objective
Focal cortical dysplasia (FCD) lesion detection and subtyping remain challenging on conventional MRI. New diffusion models such as the spherical mean technique (SMT) and neurite orientation dispersion and density imaging (NODDI) provide measurements that potentially produce more specific maps of abnormal tissue microstructure. This study aims to assess the SMT and NODDI maps for computational...
Objective
To describe seizure outcomes in patients with medically refractory epilepsy who had evidence of bilateral mesial temporal lobe (MTL) seizure onsets and underwent MTL resection based on chronic ambulatory intracranial EEG (ICEEG) data from a direct brain‐responsive neurostimulator (RNS) system.
Methods
We retrospectively identified all patients at 17 epilepsy centers with MTL epilepsy...
Objective
To estimate the incidence of epilepsy in children with Zika‐related microcephaly in the first 24 months of life; to characterize the associated clinical and electrographic findings; and to summarize the treatment responses.
Methods
We followed a cohort of children, born during the 2015‐2016 Zika virus (ZIKV) epidemic in Brazil, with congenital microcephaly and evidence of congenital ZIKV...
Objective
The study assesses the bioavailability of diazepam after intranasal administration (diazepam nasal spray) in healthy volunteers. Comparative agents were diazepam rectal gel, which served as the regulatory reference product; and oral diazepam, a product with decades of clinical use. Tolerability of diazepam nasal spray was also assessed.
Methods
This was a phase 1, open‐label, randomized,...
Excess mortality due to epilepsy is greatest among young adults. However, the relative proportions of sudden unexpected death in epilepsy (SUDEP) and other epilepsy‐related causes of death are not well defined. We prospectively adjudicated cause of death in all 18‐ to 45‐year‐olds with a history of seizure/epilepsy who underwent medicolegal investigation in San Diego County between 2014 and 2017....
Prevention of epilepsy is a great unmet need. Acute central nervous system (CNS) insults such as traumatic brain injury (TBI), cerebrovascular accidents (CVA), and CNS infections account for 15%‐20% of all epilepsy. Following TBI and CVA, there is a latency of days to years before epilepsy develops. This allows treatment to prevent or modify postinjury epilepsy. No such treatment exists. In animal...
Objective
The microscopic review of hematoxylin‐eosin–stained images of focal cortical dysplasia type IIb and cortical tuber of tuberous sclerosis complex remains challenging. Both entities are distinct subtypes of human malformations of cortical development that share histopathological features consisting of neuronal dyslamination with dysmorphic neurons and balloon cells. We trained a convolutional...
Objective
Electroencephalographic seizures (ESs) are common in encephalopathic critically ill children, but ES identification with continuous electroencephalography (EEG) monitoring (CEEG) is resource‐intense. We aimed to develop an ES prediction model that would enable clinicians to stratify patients by ES risk and optimally target limited CEEG resources. We aimed to determine whether incorporating...
Objective
The use of the Internet for health‐related questions is increasing, but it is not clear whether individuals can understand the information available online. Most health organizations recommend that health educational materials (HEMs) be written below the sixth grade reading level. This study was designed to evaluate the readability level of available online HEMs pertaining to traumatic...
Objective
To determine if closed‐loop optogenetic seizure intervention, previously shown to reduce seizure duration in a well‐established mouse model chronic temporal lobe epilepsy (TLE), also improves the associated comorbidity of impaired spatial memory.
Methods
Mice with chronic, spontaneous seizures in the unilateral intrahippocampal kainic acid model of TLE, expressing channelrhodopsin in...
Objective
Humans use a complex system of protective cognitive biases or "positive illusions" that foster emotional well‐being and subjective quality of life. This study examined the role of positive illusions in patient adjustment to drug‐resistant epilepsy and its surgical treatment.
Methods
One hundred fifty people participated, including 93 focal epilepsy patients being evaluated for...
Objective
To examine the factors and reasons influencing treatment initiation decisions in patients with newly diagnosed epilepsy.
Methods
We assessed antiseizure medication initiation decisions in adults with newly diagnosed epilepsy seen at first seizure clinics in Western Australia between 1999 and 2016 and followed to 2018.
Results
Of 610 patients (median age 40 years, 61.0% male), 426 (69...
Objective
Voltage‐gated sodium channels (SCNs) share similar amino acid sequence, structure, and function. Genetic variants in the four human brain‐expressed SCN genes SCN1A/2A/3A/8A have been associated with heterogeneous epilepsy phenotypes and neurodevelopmental disorders. To better understand the biology of seizure susceptibility in SCN‐related epilepsies, our aim was to determine similarities...
Objective
The objective of this study was to investigate the accident‐related mortality among people younger than 55 years of age with epilepsy compared with the general population and to study how psychiatric comorbidity influences this risk.
Methods
This is a population‐based cohort study of individuals born in Denmark between 1960 and 2015 (n = 3, 665 616). Persons diagnosed with epilepsy and...
Objective
To pinpoint the earliest cellular defects underlying seizure onset (epileptogenic period) during perinatal brain development in a new zebrafish model of Dravet syndrome (DS) and to investigate potential disease‐modifying activity of the 5HT2 receptor agonist fenfluramine.
Methods
We used CRISPR/Cas9 mutagenesis to introduce a missense mutation, designed to perturb ion transport function...
Objective
To determine whether acute exacerbations of cirrhotic liver disease are associated with higher odds of readmission for epilepsy or status epilepticus.
Methods
The New York State Inpatient Database is a statewide dataset containing data on 97% of hospitalizations for New York State. In this retrospective, case‐crossover design study, we used International Classification of Diseases, Ninth...
Objective
To determine predictors of focal to bilateral tonic‐clonic seizures (FBTCS) during video–electroencephalography (EEG) monitoring (VEM).
Methods
All adult patients undergoing presurgical VEM from 2014 to 2015 in the department of epileptology were eligible (N = 229). Those with refractory focal epilepsy and epileptic seizures recorded during VEM were analyzed (N = 188, Group 1). To assess...
Objective
To analyze longitudinal seizure outcomes following epilepsy surgery, including reoperations, in patients with intractable focal epilepsy.
Methods
Clinicoradiological characteristics of patients who underwent epilepsy surgery from 1995 to 2016 with follow‐up of ≥1 year were reviewed. In patients undergoing reoperations, the latest resection was considered the index surgery. The primary...
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