Journal ArticleJAMA Pediatr · March 3, 2025
IMPORTANCE: Alternating hemiplegia of childhood (AHC) is a disorder that can result from pathogenic variants in ATP1A3-encoded sodium-potassium adenosine triphosphatase alpha 3 (ATP1A3). While AHC is primarily a neurologic disease, some individuals experie ...
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Journal ArticleEpilepsia · March 2025
OBJECTIVE: This study was undertaken to test the following hypotheses in the Atp1a3Mashl/+ mouse (which carries the most common human ATP1A3 (the major subunit of the neuronal Na+/K+-adenosine triphosphatase [ATPase]) mutation, D801N): sudden unexpected de ...
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Journal ArticleAANA J · February 1, 2025
People with alternating hemiplegia of childhood undergoing general anesthesia are at risk for severe complications including critical bradycardia and hemiplegic incidents. We performed a 10-year historical cohort study and completed a subgroup analysis of ...
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Journal ArticleSeizure · December 2024
PURPOSE: Evaluate the relationship between first and second-line medication dosing and progression to refractory status epilepticus (RSE) in children. METHODS: This is a retrospective analysis of prospectively collected data from September 2014 to February ...
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Journal ArticlemedRxiv · October 31, 2024
BACKGROUND: Alternating hemiplegia of childhood (AHC) is a rare disorder with both neurologic and cardiac manifestations. The ATP1A3-D801N variant is associated with a pathologically short QT interval and risk of ventricular arrhythmia following bradycardi ...
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Journal ArticleGenet Med · September 2024
PURPOSE: We identified 2 individuals with de novo variants in SREBF2 that disrupt a conserved site 1 protease (S1P) cleavage motif required for processing SREBP2 into its mature transcription factor. These individuals exhibit complex phenotypic manifestati ...
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Journal ArticleProc Natl Acad Sci U S A · July 9, 2024
Advancing the mechanistic understanding of absence epilepsy is crucial for developing new therapeutics, especially for patients unresponsive to current treatments. Utilizing a recently developed mouse model of absence epilepsy carrying the BK gain-of-funct ...
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Journal ArticleEpilepsy Curr · March 31, 2024
Artificial intelligence, machine learning, and deep learning are increasingly being used in all medical fields including for epilepsy research and clinical care. Already there have been resultant cutting-edge applications in both the clinical and research ...
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Journal ArticleEur J Paediatr Neurol · March 2024
BACKGROUND: Many alternating hemiplegia of childhood (AHC) patients have received Cannabidiol (CBD) but, to our knowledge, there are no published data available. GOALS: Test the hypothesis that CBD has favorable effects on AHC spells. METHODS: Retrospectiv ...
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Journal ArticleEur J Hum Genet · February 2024
Alternating hemiplegia of childhood (AHC) is a rare neurodevelopment disorder that is typically characterized by debilitating episodic attacks of hemiplegia, seizures, and intellectual disability. Over 85% of individuals with AHC have a de novo missense va ...
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Journal ArticleEur J Paediatr Neurol · January 2024
BACKGROUND: Non-sleep related apnea (NSA) has been observed in alternating hemiplegia of childhood (AHC) but has yet to be characterized. GOALS: Investigate the following hypotheses: 1) AHC patients manifest NSA that is often severe. 2) NSA is usually trig ...
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Journal ArticleSeizure · October 2023
PURPOSE: Delayed treatment in status epilepticus (SE) is independently associated with increased treatment resistance, morbidity, and mortality. We describe the prehospital management pathway and Emergency Medical Services (EMS) timeliness in children who ...
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Journal ArticleJ Child Neurol · October 2023
Here, we describe the process of development of the methodology for an international multicenter natural history study of alternating hemiplegia of childhood as a prototype disease for rare neurodevelopmental disorders. We describe a systematic multistep a ...
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Journal ArticleEur J Paediatr Neurol · September 2023
BACKGROUND: Developing methods to record Alternating Hemiplegia of Childhood (AHC) spells is essential for clinical trials and patient care. OBJECTIVES: Test the following hypotheses: 1) Video-library training improves participants' ability to correctly id ...
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Journal ArticleNeurology · August 1, 2023
BACKGROUND AND OBJECTIVES: The objective of this study was to determine patient-specific factors known proximate to the presentation to emergency care associated with the development of refractory convulsive status epilepticus (RSE) in children. METHODS: A ...
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Journal ArticleEpilepsy Currents · January 1, 2023
With more than 6000 attendees between in-person and virtual offerings, the American Epilepsy Society Meeting 2022 in Nashville, felt as busy as in prepandemic times. An ever-growing number of physicians, scientists, and allied health professionals gathered ...
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Journal ArticleAnn Neurol · December 19, 2022
OBJECTIVE: Genetic factors have long been debated as a cause of failure of surgery for mesial temporal lobe epilepsy (MTLE). We investigated whether rare genetic variation influences seizure outcomes of MTLE surgery. METHODS: We performed an international, ...
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Journal ArticleDev Med Child Neurol · December 2022
AIM: To evaluate safety and motor function after treatment with allogeneic umbilical cord blood (AlloCB) or umbilical cord tissue-derived mesenchymal stromal cells (hCT-MSC) in children with cerebral palsy (CP). METHOD: Ninety-one children (52 males, 39 fe ...
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Journal ArticleJ Dev Behav Pediatr · October 2022
Early childhood (birth-8 years), particularly the first 3 years, is the most critical time in development because of the highly sensitive developing brain. Providing appropriate developmental care (i.e., nurturing care, as defined by the World Health Organ ...
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Journal ArticleBrain · August 27, 2022
Post-zygotically acquired genetic variants, or somatic variants, that arise during cortical development have emerged as important causes of focal epilepsies, particularly those due to malformations of cortical development. Pathogenic somatic variants have ...
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Journal ArticleHum Mol Genet · August 25, 2022
DROSHA encodes a ribonuclease that is a subunit of the Microprocessor complex and is involved in the first step of microRNA (miRNA) biogenesis. To date, DROSHA has not yet been associated with a Mendelian disease. Here, we describe two individuals with pro ...
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Journal ArticleAANA J · August 2022
The following case report describes a 13-year-old child with alternating hemiplegia of childhood (AHC) who underwent magnetic resonance imaging MRI with general anesthesia and experienced a hemiplegic spell, seizure, apnea, and sudden cardiac arrest with s ...
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Journal ArticleProc Natl Acad Sci U S A · March 22, 2022
A growing number of gain-of-function (GOF) BK channelopathies have been identified in patients with epilepsy and movement disorders. Nevertheless, the underlying pathophysiology and corresponding therapeutics remain obscure. Here, we utilized a knock-in mo ...
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Journal ArticleJ Child Neurol · March 2022
Crucial time is often lost while waiting for approval of therapies for pediatric neurological disorders, many of which have aggressive manifestations with devastating effects. There are logistical, ethical, and financial impediments that face the studies n ...
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Journal ArticleEpileptic Disord · February 1, 2022
Mutations in the ATP1A3 gene (which encodes the main α subunit in neuronal Na+/K+-ATPases) cause various neurological syndromes including alternating hemiplegia of childhood. This rare disorder is characterized by paroxysmal episodes of hemiplegia, dystoni ...
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Journal ArticleAm J Med Genet A · January 2022
Large international consortia examining the genomic architecture of the epilepsies focus on large diagnostic subgroupings such as "all focal epilepsy" and "all genetic generalized epilepsy". In addition, phenotypic data are generally entered into these lar ...
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Journal ArticleNeurology · December 7, 2021
OBJECTIVE: To update a 1996 American Academy of Neurology practice parameter. METHODS: The authors systematically reviewed literature published from January 1991 to March 2020. RESULTS: The long-term (24-60 months) risk of seizure recurrence is possibly hi ...
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Journal ArticlePediatr Crit Care Med · December 1, 2021
OBJECTIVES: To characterize the pediatric super-refractory status epilepticus population by describing treatment variability in super-refractory status epilepticus patients and comparing relevant clinical characteristics, including outcomes, between super- ...
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Journal ArticleAnasthesiologie und Intensivmedizin · December 1, 2021
AHC is a very rare neurological disorder first described in 1971 which has received increasing interest recently [1]. It is characterised by hemiplegia of either side of the body, paroxysmal tonic or dystonic spells, oculomotor abnormalities and developmen ...
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Journal ArticleNeurology · November 30, 2021
Hereditary hyperekplexia is a rare neurologic disorder characterized by an exaggerated startle response with profound muscle stiffness.1,2 Given the nature of the spells, this condition is often misdiagnosed as epilepsy. Mutations in glycine receptors and ...
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Journal ArticleEpilepsia · November 2021
OBJECTIVE: This study was undertaken to evaluate benzodiazepine (BZD) administration patterns before transitioning to non-BZD antiseizure medication (ASM) in pediatric patients with refractory convulsive status epilepticus (rSE). METHODS: This retrospectiv ...
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Journal ArticleJ Am Heart Assoc · September 7, 2021
Background Pathogenic variation in the ATP1A3-encoded sodium-potassium ATPase, ATP1A3, is responsible for alternating hemiplegia of childhood (AHC). Although these patients experience a high rate of sudden unexpected death in epilepsy, the pathophysiologic ...
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Journal ArticleStem Cells Transl Med · September 2021
Preclinical and early phase clinical studies suggest that an appropriately dosed umbilical cord blood (CB) infusion has the potential to help improve motor function in young children with cerebral palsy (CP). As many children with CP do not have their own ...
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Journal ArticleEpilepsia · September 2021
OBJECTIVE: This study was undertaken to describe long-term clinical and developmental outcomes in pediatric refractory status epilepticus (RSE) and identify factors associated with new neurological deficits after RSE. METHODS: We performed retrospective an ...
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Journal ArticlePediatr Neurol · July 2021
BACKGROUND: Time to treatment in pediatric refractory status epilepticus is delayed. We aimed to evaluate the influence of weekends and holidays on time to treatment of this pediatric emergency. METHODS: We performed a retrospective analysis of prospective ...
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Journal ArticleEpilepsia · July 2021
OBJECTIVE: We aimed to characterize the clinical profile and outcomes of new onset refractory status epilepticus (NORSE) in children, and investigated the relationship between fever onset and status epilepticus (SE). METHODS: Patients with refractory SE (R ...
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Journal ArticleJournal of Pediatric Neurology · June 1, 2021
CIC encodes capicua protein, a transcriptional repressor that is highly expressed in developing brains. A previous study reported pathogenic mutations in the CIC gene in five individuals with significant neurodevelopmental disorders of intellectual disabil ...
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Journal ArticleEur J Paediatr Neurol · May 2021
BACKGROUND: Many central nervous system disorders result in hypothalamic-pituitary (HP) axis dysfunction. Alternating Hemiplegia of Childhood (AHC) is usually caused by mutations in the ATP1A3 subunit of the Na+/K+Â ATPase, predominantly affecting GABAergic ...
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ConferenceGenet Med · April 2021
PURPOSE: This study aims to provide a comprehensive description of the phenotypic and genotypic spectrum of SNAP25 developmental and epileptic encephalopathy (SNAP25-DEE) by reviewing newly identified and previously reported individuals. METHODS: Individua ...
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Journal ArticleChilds Nerv Syst · April 2021
PURPOSE: Determine the feasibility and utility of using a battery of tests utilized, so far, to assess neurological-cognitive functions in the typical adult population and identify the spectrum of these functions in adult SBM patients. METHODS: Prospective ...
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Journal ArticleHum Gene Ther · April 2021
Alternating Hemiplegia of Childhood (AHC) is a devastating autosomal dominant disorder caused by ATP1A3 mutations, resulting in severe hemiplegia and dystonia spells, ataxia, debilitating disabilities, and premature death. Here, we determine the effects of ...
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Journal ArticleEpilepsy Behav · March 2021
BACKGROUND: ATP1A2 mutations cause hemiplegic migraine with or without epilepsy or acute reversible encephalopathy. Typical onset is in adulthood or older childhood without subsequent severe long-term developmental impairments. AIM: We aimed to describe th ...
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Journal ArticleAm J Hum Genet · February 4, 2021
Focal segmental glomerulosclerosis (FSGS) is the main pathology underlying steroid-resistant nephrotic syndrome (SRNS) and a leading cause of chronic kidney disease. Monogenic forms of pediatric SRNS are predominantly caused by recessive mutations, while t ...
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Journal ArticleAm J Hum Genet · February 4, 2021
Whereas large-scale statistical analyses can robustly identify disease-gene relationships, they do not accurately capture genotype-phenotype correlations or disease mechanisms. We use multiple lines of independent evidence to show that different variant ty ...
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Journal ArticleFront Neurol · 2021
Paroxysmal movement disorders include paroxysmal kinesigenic dyskinesia, paroxysmal non-kinesigenic dyskinesia, paroxysmal exercise-induced dyskinesia, and episodic ataxias. In recent years, there has been renewed interest and recognition of these disorder ...
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Journal ArticleBrain Commun · 2021
Alternating hemiplegia of childhood is a rare neurodevelopmental disorder caused by ATP1A3 mutations. Some evidence for disease progression exists, but there are few systematic analyses. Here, we evaluate alternating hemiplegia of childhood progression in ...
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Journal ArticleNeurology · November 24, 2020
OBJECTIVE: To define the risks and consequences of cardiac abnormalities in ATP1A3-related syndromes. METHODS: Patients meeting clinical diagnostic criteria for rapid-onset dystonia-parkinsonism (RDP), alternating hemiplegia of childhood (AHC), and cerebel ...
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Journal ArticleNeurology · November 10, 2020
OBJECTIVE: To identify factors associated with low benzodiazepine (BZD) dosing in patients with refractory status epilepticus (RSE) and to assess the impact of BZD treatment variability on seizure cessation. METHODS: This was a retrospective study with pro ...
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Journal ArticleMov Disord · October 2020
BACKGROUND: The mutations of KCNMA1 BK-type K+ channel have been identified in patients with various movement disorders. The underlying pathophysiology and corresponding therapeutics are lacking. OBJECTIVES: To report our clinical and biophysical character ...
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Journal ArticlePediatr Neurol · October 2020
BACKGROUND: Alternating hemiplegia of childhood often manifests severe or extreme behavioral problems, the nature of which remains to be fully characterized. METHODS: We analyzed 39 consecutive patients with alternating hemiplegia of childhood for occurren ...
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Journal ArticleNeurol Genet · October 2020
OBJECTIVE: To describe a phenotype caused by ATP1A3 mutations, which manifests as dystonia, dysmorphism of the face, encephalopathy with developmental delay, brain MRI abnormalities always including cerebellar hypoplasia, no hemiplegia (Ă˜) (D-DEMĂ˜), and ne ...
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Journal ArticleOrphanet J Rare Dis · September 3, 2020
BACKGROUND: Alternating Hemiplegia of Childhood (AHC) is caused by mutations of the ATP1A3 gene which is expressed in brain areas that include structures controling autonomic, gastrointestinal, gut motility and GABAergic functions. We aimed to investigate, ...
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Journal ArticleNeurology · September 1, 2020
OBJECTIVE: To determine whether publication of evidence on delays in time to treatment shortens time to treatment in pediatric refractory convulsive status epilepticus (rSE), we compared time to treatment before (2011-2014) and after (2015-2019) publicatio ...
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Journal ArticlePediatr Neurol · September 2020
The past few years have witnessed rapid developments in viral-mediated gene replacement therapy for pediatric central nervous system neurogenetic disorders. Here, we provide pediatric neurologists with an up-to-date, comprehensive overview of these develop ...
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Journal ArticleDev Med Child Neurol · July 2020
AIM: To evaluate presence and severity of social impairments in alternating hemiplegia of childhood (AHC) and determine factors that are associated with social impairments. METHOD: This was a retrospective analysis of 34 consecutive patients with AHC (19 f ...
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Journal ArticleAnn Neurol · June 2020
OBJECTIVE: The mechanisms by which antiepileptic drugs (AEDs) cause birth defects (BDs) are unknown. Data suggest that AED-induced BDs may result from a genome-wide increase of de novo variants in the embryo, a mechanism that we investigated. METHODS: Whol ...
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Journal ArticleEur J Paediatr Neurol · May 2020
Quantitative MRI is increasingly being used as a biomarker in neurological disorders. Cerebellar atrophy occurs in some Alternating Hemiplegia of Childhood (AHC) patients. However, it is not known if cerebellar atrophy can be a potential biomarker in AHC o ...
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Journal ArticleNeurology · February 18, 2020
Childhood-onset dystonias are a heterogeneously diverse group. There exists a specific set of dystonias that respond profoundly well to low doses of l-dopa (dopa-responsive dystonia [DRD]). Classical DRD is caused by deficiency of GTP cyclohydrolase 1 or t ...
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Journal ArticleEpileptic Disord · February 1, 2020
Mutations in ATP1A3 have been found to cause rapid-onset dystonia Parkinsonism, alternating hemiplegia of childhood, epileptic encephalopathy and other syndromes. We report a four-year, nine-month-old boy with episodes of frequent and recurrent status epil ...
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Journal ArticleEur J Hum Genet · January 2020
PTPN23 is a His-domain protein-tyrosine phosphatase implicated in ciliogenesis, the endosomal sorting complex required for transport (ESCRT) pathway, and RNA splicing. Until recently, no defined human phenotype had been associated with alterations in this ...
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Journal ArticlePediatrics · December 2019
Millions of children are subjected to abuse, neglect, and displacement, and millions more are at risk for not achieving their developmental potential. Although there is a global movement to change this, driven by children's rights, progress is slow and imp ...
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Journal ArticleAm J Hum Genet · November 7, 2019
The advent of inexpensive, clinical exome sequencing (ES) has led to the accumulation of genetic data from thousands of samples from individuals affected with a wide range of diseases, but for whom the underlying genetic and molecular etiology of their cli ...
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Chapter · October 11, 2019
Autosomal dominant epilepsy with auditory features (ADEAF), also referred to as autosomal dominant lateral temporal epilepsy (ADLTE), is one type of familial temporal lobe epilepsy. ...
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Journal ArticleNeurology · September 24, 2019
OBJECTIVE: To report our experience and investigate 5 original hypotheses: (1) multiple types of epileptic seizures occur in alternating hemiplegia of childhood (AHC), and these can be the initial presentation; (2) epileptiform abnormalities often appear w ...
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Journal ArticleJ Clin Neurophysiol · September 2019
PURPOSE: We aimed to determine whether clinical EEG reports obtained from children in the intensive care unit with refractory status epilepticus could provide data for comparative effectiveness research studies. METHODS: We conducted a retrospective descri ...
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Journal ArticleSeizure · August 2019
PURPOSE: To evaluate whether the onset of pediatric refractory status epilepticus (rSE) is related to time of day. METHOD: We analyzed the time of day for the onset of rSE in this prospective observational study performed from June 2011 to May 2019 in pedi ...
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Journal ArticleEpilepsy Behav · August 2019
Despite the availability of many antiepileptic drugs (AEDs) (old and newly developed) and, as recently suggested, their optimization in the treatment of patients with uncontrolled seizures, more than 30% of patients with epilepsy continue to experience sei ...
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Journal ArticleDev Med Child Neurol · May 2019
AIM: To determine the neuropsychological abnormalities that occur in alternating hemiplegia of childhood (AHC) and report on our experience in managing them. METHOD: Patients underwent evaluations according to our standardized AHC pathway. Data were entere ...
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Journal ArticleJ Clin Sleep Med · January 15, 2019
STUDY OBJECTIVES: Patients with alternating hemiplegia of childhood (AHC) experience bouts of hemiplegia and other paroxysmal spells that resolve during sleep. Patients often have multiple comorbidities that could negatively affect sleep, yet sleep quality ...
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Journal ArticleAm J Hum Genet · January 3, 2019
The use of whole-exome and whole-genome sequencing has been a catalyst for a genotype-first approach to diagnostics. Under this paradigm, we have implemented systematic sequencing of neonates and young children with a suspected genetic disorder. Here, we r ...
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Journal ArticleJ Neurosurg Pediatr · January 1, 2019
Cortical tubers associated with tuberous sclerosis complex (TSC) are potential epileptic foci that are often amenable to resective or ablative surgeries, and controlling seizures at a younger age may lead to improved functional outcomes. MRI-guided laser i ...
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Journal ArticleNeurobiol Dis · November 2018
De novo mutations causing dysfunction of the ATP1A3 gene, which encodes the α3 subunit of Na+/K+-ATPase pump expressed in neurons, result in alternating hemiplegia of childhood (AHC). AHC manifests as paroxysmal episodes of hemiplegia, dystonia, behavioral ...
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Journal ArticlePediatr Neurol · September 2018
OBJECTIVE: We aimed to evaluate and compare the status epilepticus treatment pathways used by pediatric status epilepticus research group (pSERG) hospitals in the United States and the American Epilepsy Society (AES) status epilepticus guideline. METHODS: ...
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Journal ArticleEpilepsy Res · August 2018
PURPOSE: To describe the efficacy and safety of ketogenic diet (KD) for convulsive refractory status epilepticus (RSE). METHODS: RSE patients treated with KD at the 6/11 participating institutions of the pediatric Status Epilepticus Research Group from Jan ...
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Journal ArticleEpilepsia · July 2018
OBJECTIVE: Na+ /K+ -ATPase dysfunction, primary (mutation) or secondary (energy crisis, neurodegenerative disease) increases neuronal excitability in the brain. To evaluate the mechanisms underlying such increased excitability we studied mice carrying the ...
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Journal ArticleAnn Neurol · June 2018
OBJECTIVE: Somatic variants are a recognized cause of epilepsy-associated focal malformations of cortical development (MCD). We hypothesized that somatic variants may underlie a wider range of focal epilepsy, including nonlesional focal epilepsy (NLFE). Th ...
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Journal ArticleNeurology · May 8, 2018
OBJECTIVE: To identify factors associated with treatment delays in pediatric patients with convulsive refractory status epilepticus (rSE). METHODS: This prospective, observational study was performed from June 2011 to March 2017 on pediatric patients (1 mo ...
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Journal ArticleJAMA Neurol · April 1, 2018
IMPORTANCE: Treatment delay for seizures can lead to longer seizure duration. Whether treatment delay is associated with major adverse outcomes, such as death, remains unknown. OBJECTIVE: To evaluate whether untimely first-line benzodiazepine treatment is ...
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Journal ArticleSeizure · February 2018
PURPOSE: Gain-of-function mutations in the KCNT1 gene have been reported in a number of drug resistant epilepsy syndromes including Epilepsy of Infancy with Migrating Focal Seizures. Quinidine, a potassium channel blocker, has been proposed as a potential ...
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Journal ArticleEpileptic Disord · February 1, 2018
Hemimegalencephaly is known to occur in Proteus syndrome, but has not been reported, to our knowledge, in the other PTEN mutation-related syndrome of Bannayan-Riley-Ruvalcaba. Here, we report a patient with Bannayan-Riley-Ruvalcaba syndrome who also had he ...
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Journal ArticleAm J Hum Genet · January 4, 2018
Although the role of typical Rho GTPases and other Rho-linked proteins in synaptic plasticity and cognitive function and dysfunction is widely acknowledged, the role of atypical Rho GTPases (such as RHOBTB2) in neurodevelopment has barely been characterize ...
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Journal ArticleEpilepsy Behav Case Rep · 2018
Two patients at our center experienced florid visual hallucinations following hemispherectomy. The first patient had drug-resistant left hemispheric focal seizures at 20Â months of age from a previous stroke. Following functional hemispherectomy at age 3, h ...
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Journal ArticleNeurologist · January 2018
INTRODUCTION: Glucose transporter type 1 deficiency syndrome (GLUT1 DS) is caused by impaired glucose transport across the blood-brain barrier and commonly presents as severe early onset epilepsy, developmental delay, and movement abnormalities. In rare in ...
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Journal ArticleStem Cells Transl Med · December 2017
Cerebral palsy (CP) is a condition affecting young children that causes lifelong disabilities. Umbilical cord blood cells improve motor function in experimental systems via paracrine signaling. After demonstrating safety, we conducted a phase II trial of a ...
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Journal ArticleSeizure · October 2017
PURPOSE: To report novel clinical manifestations of KCNA2 mutation related epileptic encephalopathy. METHODS: Blood samples were sent for whole exome and Sanger sequencing. Seizure types were characterized by clinical criteria and EEG recording. RESULTS: K ...
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Journal ArticleCold Spring Harb Mol Case Stud · September 2017
Hemimegalencephaly (HME) is a heterogeneous cortical malformation characterized by enlargement of one cerebral hemisphere. Somatic variants in mammalian target of rapamycin (mTOR) regulatory genes have been implicated in some HME cases; however, ∼70% have ...
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Journal ArticleDev Med Child Neurol · August 2017
AIM: To characterize motor function profiles in alternating hemiplegia of childhood, and to investigate interrelationships between these domains and with age. METHOD: We studied a cohort of 23 patients (9 males, 14 females; mean age 9y 4mo, range 4mo-43y) ...
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Journal ArticleEpilepsy Behav · August 2017
OBJECTIVES: To describe the characteristics of epilepsy in patients with Neurofibromatosis type 1 (NF1). METHODS: Analysis of a cohort of consecutive NF1 patients seen in our NF1 clinic during a three-year period. RESULTS: Of the 184 NF1 patients seen duri ...
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Journal ArticleEpilepsia · March 2017
OBJECTIVE: To analyze whether KCNQ2 R201C and R201H variants, which show atypical gain-of-function electrophysiologic properties in vitro, have a distinct clinical presentation and outcome. METHODS: Ten children with heterozygous, de novo KCNQ2 R201C or R2 ...
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Journal ArticleEpileptic Disord · March 1, 2017
A 17-year-old female, of consanguineous parents, presented with a history of seizures and cognitive decline since the age of 12 years. She had absence, focal dyscognitive, generalized myoclonic, and generalized tonic-clonic seizures, all of which were drug ...
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Journal ArticleAm J Hum Genet · February 2, 2017
Whole-exome sequencing (WES) has increasingly enabled new pathogenic gene variant identification for undiagnosed neurodevelopmental disorders and provided insights into both gene function and disease biology. Here, we describe seven children with a neurode ...
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Journal ArticleCurr Treat Options Neurol · February 2017
The diagnosis and treatment of patients with Alternating Hemiplegia of Childhood (AHC) and related disorders should be provided by a multidisciplinary team experienced with the spectrum of presentations of this disease, with its related disorders, with its ...
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Journal ArticleNeurology · January 24, 2017
OBJECTIVE: To compare refractory convulsive status epilepticus (rSE) management and outcome in children with and without a prior diagnosis of epilepsy and with and without a history of status epilepticus (SE). METHODS: This was a prospective observational ...
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Journal ArticleEpilepsia · January 2017
Variants in KCNQ2 encoding for Kv 7.2 neuronal K+ channel subunits lead to a spectrum of neonatal-onset epilepsies, ranging from self-limiting forms to severe epileptic encephalopathy. Most KCNQ2 pathogenic variants cause loss-of-function, whereas few incr ...
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Journal ArticlePediatr Crit Care Med · October 2016
OBJECTIVE: To describe pediatric patients with convulsive refractory status epilepticus in whom there is intention to use an IV anesthetic for seizure control. DESIGN: Two-year prospective observational study evaluating patients (age range, 1 mo to 21 yr) ...
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Journal ArticleNat Genet · September 2016
The Greater Middle East (GME) has been a central hub of human migration and population admixture. The tradition of consanguinity, variably practiced in the Persian Gulf region, North Africa, and Central Asia, has resulted in an elevated burden of recessive ...
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Journal ArticleSemin Pediatr Neurol · May 2016
Pediatric epileptic encephalopathies represent a clinically challenging and often devastating group of disorders that affect children at different stages of infancy and childhood. With the advances in genetic testing and neuroimaging, the etiologies of the ...
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Journal ArticleSemin Pediatr Neurol · May 2016
In this article, we review the treatment options for the pediatric epileptic encephalopathies and provide an update on the new and emerging therapies targeted at the underlying pathophysiology of many of these syndromes. We illustrate how the identificatio ...
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Journal ArticleSemin Pediatr Neurol · May 2016
Several factors, such as epilepsy syndrome, poor compliance, and increased seizure frequency increase the risks of sudden unexpected death in epilepsy (SUDEP). Animal models have revealed that the mechanisms of SUDEP involve initially a primary event, ofte ...
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Journal ArticleEpileptic Disord · March 2016
Landau-Kleffner syndrome (LKS) has been demonstrated in the past to respond to immunotherapy. Recently, some cases of LKS have been shown to be secondary to glutamate receptor (GRIN2A) mutations. Whether such cases respond to immunotherapy is not known. He ...
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Journal ArticleAnn Neurol · December 2015
We report 2 patients with drug-resistant epilepsy caused by KCNT1 mutations who were treated with quinidine. Both mutations manifested gain of function in vitro, showing increased current that was reduced by quinidine. One, who had epilepsy of infancy with ...
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Journal ArticleEpileptic Disord · December 2015
WDR45 mutations cause neurodegeneration with brain iron accumulation, usually presenting with early childhood developmental delay and followed by early adulthood extrapyramidal symptoms. Although various seizure types may occur, epileptic spasms have not b ...
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Journal ArticleCold Spring Harb Mol Case Stud · October 2015
Genetically targeted therapies for rare Mendelian conditions are improving patient outcomes. Here, we present the case of a 20-mo-old female suffering from a rapidly progressing neurological disorder. Although diagnosed initially with a possible autoimmune ...
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Journal ArticleCold Spring Harb Mol Case Stud · October 2015
One of the most promising outcomes of whole-exome sequencing (WES) is the alteration of medical management following an accurate diagnosis in patients with previously unresolved disorders. Although case reports of targeted therapies resulting from WES have ...
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Journal ArticleBrain · October 2015
Alternating hemiplegia of childhood is a rare disorder caused by de novo mutations in the ATP1A3 gene, expressed in neurons and cardiomyocytes. As affected individuals may survive into adulthood, we use the term 'alternating hemiplegia'. The disorder is ch ...
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Journal ArticleOrphanet J Rare Dis · September 26, 2015
BACKGROUND: Mutations in the gene ATP1A3 have recently been identified to be prevalent in patients with alternating hemiplegia of childhood (AHC2). Based on a large series of patients with AHC, we set out to identify the spectrum of different mutations wit ...
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Journal ArticleNeurology · June 9, 2015
OBJECTIVE: To describe the time elapsed from onset of pediatric convulsive status epilepticus (SE) to administration of antiepileptic drug (AED). METHODS: This was a prospective observational cohort study performed from June 2011 to June 2013. Pediatric pa ...
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Journal ArticlePediatr Clin North Am · June 2015
As the genetic etiologies of an expanding number of epilepsy syndromes are revealed, the complexity of the phenotype genotype correlation increases. As our review will show, multiple gene mutations cause different epilepsy syndromes, making identification ...
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Journal ArticleElife · May 30, 2015
Defective primary ciliogenesis or cilium stability forms the basis of human ciliopathies, including Joubert syndrome (JS), with defective cerebellar vermis development. We performed a high-content genome-wide small interfering RNA (siRNA) screen to identif ...
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Journal ArticleEpilepsia · January 2015
OBJECTIVES: Mutations in the ATP1α3 subunit of the neuronal Na+/K+-ATPase are thought to be responsible for seizures, hemiplegias, and other symptoms of alternating hemiplegia of childhood (AHC). However, the mechanisms through which ATP1A3 mutations media ...
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Journal ArticleNeuroimage Clin · 2015
Cerebral Palsy (CP) refers to a heterogeneous group of permanent but non-progressive movement disorders caused by injury to the developing fetal or infant brain (Bax et al., 2005). Because of its serious long-term consequences, effective interventions that ...
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Journal ArticleEpilepsy Behav · August 2014
RATIONALE: The utility of genetic testing in pediatric drug-resistant epilepsy (PDRE), its yield in "real life" clinical practice, and the practical implications of such testing are yet to be determined. GOAL: To start to address the above gaps in our know ...
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Journal ArticleLancet Neurol · May 2014
Genetic research has shown that mutations that modify the protein-coding sequence of ATP1A3, the gene encoding the α3 subunit of Na(+)/K(+)-ATPase, cause both rapid-onset dystonia parkinsonism and alternating hemiplegia of childhood. These discoveries link ...
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Journal ArticleSeizure · February 2014
PURPOSE: Status epilepticus (SE) is a life-threatening condition that can be refractory to initial treatment. Randomized controlled studies to guide treatment choices, especially beyond first-line drugs, are not available. This report summarizes the eviden ...
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Journal ArticleSeizure · January 1, 2014
Purpose Status epilepticus (SE) is a life-threatening condition that can be refractory to initial treatment. Randomized controlled studies to guide treatment choices, especially beyond first-line drugs, are not available. This report summarizes the evidenc ...
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Journal ArticlePediatr Neurol · January 2014
BACKGROUND: Refractory status epilepticus carries a high risk of morbidity and mortality for children. Traditional treatment of status epilepticus consists of multiple anticonvulsant drugs and, if needed, induction of a medical coma. The ketogenic diet has ...
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Journal ArticleClin Biochem · December 2013
BACKGROUND: Diagnosis of aminoacidopathies and organic acidemias constitutes a real challenge in a developing country with high consanguinity rate and no systematic newborn screening. We report a twelve-year experience with the identification of these diso ...
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Journal ArticleEpileptic disorders : international epilepsy journal with videotape · December 2013
AimDescribe the seizure-related manifestations of guanidinoacetate methyltransferase (GAMT) deficiency in two new cases and compare these to the related literature.MethodsWe reviewed the clinical and electroencephalographic manifestations ...
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Journal ArticleBrain Sci · November 26, 2013
The cerebral organization of language in epilepsy patients has been studied with invasive procedures such as Wada testing and electrical cortical stimulation mapping and more recently with noninvasive neuroimaging techniques, such as functional MRI. In the ...
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Journal ArticleEpilepsia · October 2013
PURPOSE: There is a gap in our knowledge of the factors that modulate the predisposition to seizures following perinatal hypoxia. Herein, we investigate in a mouse model the effects of two distinct factors: developmental stage after the occurrence of the p ...
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Journal ArticleEur J Paediatr Neurol · September 2013
BACKGROUND: Early detection of developmental delay is essential to initiate early intervention. The Ages and Stages Questionnaires (ASQ) correlate well with physician's assessment and have high predictive value. No such tool exists in Arabic. AIMS: Transla ...
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Journal ArticleEpilepsia · September 2013
PURPOSE: To review the efficacy and tolerability of stiripentol in the treatment of U.S. children with Dravet syndrome. METHODS: U.S. clinicians who had prescribed stiripentol for two or more children with Dravet syndrome between March 2005 and 2012 were c ...
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Book · January 1, 2013
Early childhood development refers to the skills that children acquire within their first five years of life, which lay the foundation for future learning. Children need care and support to stimulate their growth and healthy development. The stimulation of ...
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Journal ArticleHandb Clin Neurol · 2013
The approach to the child with ataxia requires a detailed history and careful general and neurological examination as well as selected blood work and brain imaging and increasingly available genetic testing for inherited ataxias that usually have an episod ...
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Journal ArticleHandb Clin Neurol · 2013
Alternating hemiplegia of childhood (AHC) is a very rare disease characterized by recurrent attacks of loss of muscular tone resulting in hypomobility of one side of the body. The etiology of the disease due to ATP1A3 gene mutations in the majority of pati ...
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Journal ArticleNeuroimage Clin · 2013
Cerebral palsy (CP) is a heterogeneous group of non-progressive motor disorders caused by injury to the developing fetal or infant brain. Although the defining feature of CP is motor impairment, numerous other neurodevelopmental disabilities are associated ...
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Journal ArticleJ Clin Neurophysiol · October 2012
In the International League Against Epilepsy's most recent revision of classification and terminology, the term idiopathic epilepsy, previously used to describe those epilepsies whose cause was unknown, but presumed genetic, has been removed. It has been r ...
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Journal ArticleNat Genet · September 2012
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Alternating hemiplegia of childhood (AHC) is a rare, severe neurodevelopmental syndrome characterized by recurrent hemiplegic episodes and distinct neurological manifestations. AHC is usually a sporadic disorder and has unknown etiology. We used exome sequ ...
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Journal ArticleEpileptic Disord · September 2012
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We present our 10-year experience and preoperative predictors of outcome in 93 adults and children who underwent epilepsy surgery at the American University of Beirut. Presurgical evaluation included video-EEG monitoring, MRI, neuropsychological assessment ...
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Journal ArticleAm J Hum Genet · August 10, 2012
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Idiopathic generalized epilepsy (IGE) is a complex disease with high heritability, but little is known about its genetic architecture. Rare copy-number variants have been found to explain nearly 3% of individuals with IGE; however, it remains unclear wheth ...
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Journal ArticleEpilepsy Behav · August 2012
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Seizure semiology and electroencephalographic (EEG) manifestations of autoimmune-mediated cerebral folate deficiency (CFD) before and after therapy have yet to be fully characterized. Here, we report these findings in two such patients. Our first patient p ...
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Journal ArticleEpileptic Disord · March 2012
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Oxcarbazepine has been reported to precipitate myoclonic, generalised tonic-clonic, absence, and complex partial seizures, and carbamazepine to precipitate absences, myoclonic seizures and spasms. Here, we report a one-year, six-month-old girl with complex ...
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Journal ArticleArch Dermatol · January 2012
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BACKGROUND: Several forms of ichthyosis are associated with neurologic manifestations, including Sjögren-Larsson syndrome, Refsum disease, and mental retardation-enteropathy-deafness-neuropathy-ichthyosis-keratoderma (MEDNIK) syndrome. We report a case of ...
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Journal ArticlePediatr Neurol · December 2011
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We describe two boys whose distinct and remarkable clinical pictures suggested the possibility of anti-N-methyl-d-aspartate receptor antibody encephalitis. Both patients responded to immunotherapy, but neither manifested that antibody. Patient 1 exhibited ...
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Journal ArticlePediatr Neurol · September 2011
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Pediatric ischemic stroke still represents a burden, and more than half of the survivors will experience cognitive or motor disabilities. The objective of this study was to investigate the role of thrombophilia in a cohort of children with arterial ischemi ...
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Journal ArticleEpilepsy Behav · May 2011
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The superior longitudinal fasciculus (SLF) II and cingulum are two white matter tracts important for attention and other frontal lobe functions. These functions are often disturbed in children with drug-resistant (DR) partial epilepsy, even when no abnorma ...
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Journal ArticlePediatr Neurol · April 2011
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The past few years have witnessed increasing interest in devising programs to enhance early childhood development. We review current understandings of brain development, recent advances in this field, and their implications for clinical interventions. An e ...
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Journal ArticleEpilepsy Behav · April 2011
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Because antiepileptic drug therapy is usually given chronically with resulting concerns about long-term neurotoxicity, and because short-term topiramate (TPM) therapy has been reported to be neuroprotective against the effects of acute hypoxia, we investig ...
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Journal ArticleEpilepsy Behav · March 2011
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We describe the electroencephalographic and clinical seizure manifestations of pyridoxal 5'-phosphate-dependent epilepsy (PLP-DE) in two patients [diagnosis confirmed by low cerebrospinal fluid (CSF) PLP, complete resolution of previously intractable seizu ...
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Journal ArticleEpilepsia · March 2011
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We report four patients with no preexisting movement disorders who developed oculogyric crises secondary to lamotrigine toxicity and had resolution of these crises after dose reduction. Episode numbers ranged from 1-20 per day and episode duration from 2 s ...
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Journal ArticleJ Child Neurol · February 2011
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We report our experience in a cohort of patients with hyperphenylalaninemia in a tertiary care referral center in Lebanon. Forty-one sequential patients were studied: 34 classical phenylketonuria (PKU), 3 hyperphenylalaninemia (non-PKU), and 4 biopterin me ...
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Journal ArticleBrain Dev · November 2010
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Acute hypoxia at postnatal day (P) 10 is an accepted model of human neonatal hypoxia which results, among other consequences, in increased hippocampal excitability. Hypoxic-ischemic injury, which mimics stroke, has been shown to result in changes in connex ...
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Journal ArticleEpilepsy Behav · September 2010
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The effects of vagus nerve stimulation on weight in individuals with epilepsy are not fully characterized. A retrospective review was performed of all pediatric patients who underwent placement of a vagus nerve stimulator at Duke University Medical Center. ...
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Journal ArticleEpilepsy Res · August 2010
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PURPOSE: Investigate if quality of life (QOL) normalizes on long-term follow-up after surgery for partial epilepsy in children. METHODS: This is a cohort study with controls in which a consecutive cohort of nineteen 2-14-year-old children who underwent foc ...
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Journal ArticleBrain · July 2010
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Partial epilepsies have a substantial heritability. However, the actual genetic causes are largely unknown. In contrast to many other common diseases for which genetic association-studies have successfully revealed common variants associated with disease r ...
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Journal ArticleBirth Defects Res A Clin Mol Teratol · July 2010
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Goldenhar syndrome, also known as oculo-auriculo-vertebral spectrum, is a complex, heterogeneous condition characterized by abnormal prenatal development of facial structures. We present the occurrence of Goldenhar syndrome in an infant born to a woman wit ...
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Journal ArticleAm J Hum Genet · May 14, 2010
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Deletions at 16p13.11 are associated with schizophrenia, mental retardation, and most recently idiopathic generalized epilepsy. To evaluate the role of 16p13.11 deletions, as well as other structural variation, in epilepsy disorders, we used genome-wide sc ...
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Journal ArticleEpilepsy Behav · January 2010
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Our aim was to investigate the long term effectiveness of intravenous immunoglobulin (IVIG) against intractable childhood epilepsy in the era of new antiepileptics and to determine the predictors of a favorable response in a prospective open-label add-on s ...
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Journal ArticleEpileptic Disord · December 2009
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OBJECTIVE: Pyridoxine-dependent epilepsy (PDE) is a rare disease, of which the EEG manifestations are only partially characterised. We report our observations of EEG recordings in four patients with PDE. MATERIALS AND METHODS: EEG tracings from four patien ...
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Journal ArticleEpilepsy Behav · April 2009
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We describe two new familial severe infantile spasm syndromes (ISSs) unrelated to Aristaless-related homeobox (ARX) gene mutation. Family A contains two male siblings each with dysmorphism, profound psychomotor delay, gastroesophageal reflux, infantile spa ...
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Journal ArticleJ Clin Neurophysiol · April 2009
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Intraoperative electrocorticography has been used in the surgical management of children with medically refractory epilepsy to localize anatomic areas of focal seizure onset, guide the extent, and completeness of resective epilepsy surgery, aid in function ...
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Journal ArticleEpileptic Disord · March 2009
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AIM: Assess quality-of-life after vagal nerve stimulation and determine patient characteristics associated with improvement in quality-of-life. METHODS: Sixteen patients (11 children, 5 adults) who had vagal nerve stimulation at our center were studied. Qu ...
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Journal ArticleEur J Paediatr Neurol · March 2009
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The second of this 2-part review depicts the specific approach to the common causes of pediatric refractory epilepsy amenable to surgery. These include tumors, malformations due to abnormal cortical development, vascular abnormalities and certain epileptic ...
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Journal ArticleEur J Paediatr Neurol · March 2009
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In 1990, the National Institute of Health adopted epilepsy surgery in children as an option when medications fail. In the past few years several concepts have become increasingly recognized as key to a successful approach to epilepsy surgery in children. T ...
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Journal ArticleEpilepsy Behav · March 2009
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Twenty-five consecutive patients who underwent the Wada test using propofol as anesthetic were compared with 15 randomly selected patients who were tested using amobarbital. Time to verbal and nonverbal responses and time to motor power 3/5 did not differ ...
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Journal ArticleEpilepsy Behav · February 2009
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A 7-year-old, right-handed girl started to have seizures at age 1 year 4 months. She developed normally until age 4 when she had worsening of seizures with auditory verbal agnosia, complete aphasia, and a behavioral disorder fulfilling the diagnostic crite ...
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Chapter · January 1, 2009
Many studies have demonstrated the occurrence of neuronal cell death through necrosis, apoptosis, or other forms of programmed cell death (PCD) in a number of models of status epilepticus (SE). Significant age-related, model-dependent, and regional differe ...
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Chapter · January 1, 2009
Landau–Kleffner syndrome (LKS) is an acquired epileptic aphasia in which children 3–8years old, who already have developed normal speech, experience language regression with verbal auditory agnosia, abnormal epileptiform activity, and behavioral disturbanc ...
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Journal ArticleEur J Paediatr Neurol · January 2009
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We report a case of a young girl with early onset pantothenate kinase-kssociated neurodegeneration (PKAN) whose initial clinical manifestation was ataxia at the age of 2.5 years. Subsequently the patient presented to us with refractory severe dystonia resu ...
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Journal Article · January 1, 2009
Landau-Kleffner syndrome (LKS) is an acquired epileptic aphasia in which children 3-8. years old, who already have developed normal speech, experience language regression with verbal auditory agnosia, abnormal epileptiform activity, and behavioral disturba ...
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Journal ArticlePan Arab Journal of Neurosurgery · December 23, 2008
In this article we review our experience in epilepsy surgery in Lebanon with the 40 pediatric patients who underwent either resective surgery (36 patients) or VNS (vagal nerve stimulation) (4 patients) procedures at the Adult and Pediatric Epilepsy Program ...
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Journal ArticleEpilepsy Res · October 2008
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Status epilepticus (SE) induces a number of events leading to programmed cell death (PCD). The aim of our work is to study the time sequence of activation of different factors in experimental SE (intraperitoneal kainic acid (KA) model). We studied ceramide ...
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Journal ArticleNeuropediatrics · October 2008
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Biotin-responsive basal ganglia disease is a rare entity of which 10 cases have been reported in the literature. We report a case of biotin-responsive basal ganglia disease with similarities and differences compared to the previously reported cases by Ozan ...
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Journal ArticleBrain Dev · September 2008
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Ceramide is known to induce programmed cell death (PCD) in neural and non-neural tissues and to increase after kainic acid (KA) status epilepticus (SE). Ceramide increases have been shown to depend on NMDA receptor activation in the KA model, but these cha ...
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Journal ArticleJ Child Neurol · August 2008
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This open-label study was designed to evaluate the long-term tolerability and efficacy of lamotrigine in 1- to 24-month-old infants with partial seizures. The study enrolled both lamotrigine-naĂ¯ve patients and patients who had been previously exposed to la ...
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Journal ArticleBone · July 2008
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BACKGROUND AND AIM: Antiepileptic drugs are associated with bone loss and fractures. Data in children is scarce and the impact of new therapies and of low vitamin D is not clear. This study assessed predictors of bone mineral density (BMD) in 225 ambulator ...
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Journal ArticlePediatr Neurol · June 2008
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Only 2 cases of pure motor chronic demyelinating inflammatory polyneuropathy in the pediatric age group have been reported in the literature. We report on a motor variant of chronic demyelinating inflammatory polyneuropathy with anti-ganglioside antibodies ...
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Journal ArticleNeurology · May 27, 2008
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OBJECTIVE: This randomized, double-blind, placebo-controlled trial was conducted to assess the efficacy and tolerability of adjunctive lamotrigine for the treatment of partial seizures in infants aged 1 to 24 months. METHODS: The study used a responder-enr ...
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Journal ArticleJ Pediatr Hematol Oncol · May 2008
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OBJECTIVE: To measure the prevalence of transferrin saturation (TS) <12%, and iron-deficiency anemia (IDA) in Lebanese children, and their association with dietary habits, sociodemographic characteristics, and blood lead levels. PROCEDURE: A cross-sectiona ...
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Journal ArticleNeuropediatrics · April 2008
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We present the case of an 11-year-old boy with humoral immunodeficiency on monthly intravenous immunoglobulins (IVIG) infusions, evaluated for recurrent, brief, neurological deficits secondary to cerebral sinus thrombosis without any identifiable hypercoag ...
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Journal ArticleOncogene · March 13, 2008
Constitutive activation of the NF-kappaB pathway by the Tax oncoprotein plays a crucial role in the proliferation and transformation of HTLV-I infected T lymphocytes. We have previously shown that Tax ubiquitylation on C-terminal lysines is critical for bi ...
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Journal ArticleProg Neurobiol · January 2008
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Brain hypoxia-ischemia is a relatively common and serious problem in neonates and in adults. Its consequences include long-term histological and behavioral changes and reduction in seizure threshold. Gap junction intercellular communication is pivotal in t ...
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Journal ArticleEpilepsy Behav · January 2008
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In this first study comparing epilepsy-specific quality-of-life measures of children after epilepsy surgery (2.4 years after focal resection) with those of a matched comparison group of nonoperated patients, seizure severity, medication side effects, overa ...
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Journal ArticleJournal of Pediatric Neurology · January 1, 2008
Deficiency of D-bifunctional protein causes a severe, Zellweger-like phenotype. Different mutations were found in humans causing the total or partial loss of this enzyme's function. We report a family with severe Zellweger-like syndrome with a typical pres ...
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Journal ArticlePediatr Neurol · November 2007
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Paroxysmal events in children can mimic epileptic seizures, and many of them have only been recently described, or are only now being increasingly recognized. An awareness of the different mimickers of epilepsy and the art of history-taking will help pedia ...
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Journal ArticleJ Chromatogr B Analyt Technol Biomed Life Sci · November 1, 2007
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A rapid, reproducible and accurate high-performance liquid chromatographic (HPLC) method for the quantitative determination of sphingomyelin in rat brain was developed and validated using normal-phase silica gel column, acetonitrile-methanol-water (65:18:1 ...
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Journal ArticleEpilepsy Behav · November 2007
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Despite recent technical advances, the surgical management of epileptic foci in the primary motor area, especially the motor hand area, continues to represent a significant challenge because of the risk of permanent neurological deficit. We describe the ca ...
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Journal ArticleJ Pediatr · August 2007
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OBJECTIVE: To identify risk factors for subclinical hypothyroidism (SCH) (thyroid-stimulating hormone levels >5 mIU/mL) in patients receiving valproate (VPA) therapy. STUDY DESIGN: During a period of 2 years, consecutive patients with epilepsy receiving VP ...
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Journal ArticlePflugers Arch · April 2007
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Direct regulation of N-type calcium channels by G-proteins is essential to control neuronal excitability and neurotransmitter release. Binding of the G(betagamma) dimer directly onto the channel is characterized by a marked current inhibition ("ON" effect) ...
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Journal ArticleNeurology · March 27, 2007
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Lafora disease (LD) can be diagnosed by skin biopsy, but this approach has both false negatives and false positives. Biopsies of other organs can also be diagnostic but are more invasive. Genetic diagnosis is also possible but can be inconclusive, for exam ...
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Journal ArticleAm J Med Genet A · January 15, 2007
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Approximately 40 patients with terminal duplication of the distal short arm of chromosome 7 have been reported, the smallest being dup(7)(p21). We report here on a patient with a smaller duplication, dup(7)(p22.1), detected on G-banding and characterized b ...
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Journal ArticleEpilepsia · January 2007
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PURPOSE: To determine if posthypoxia treatment with erythropoietin (EPO) has protective effects against subsequent susceptibility to seizure related neuronal injury in rat pups subjected to acute hypoxia at P10. METHODS: Four groups of rats were manipulate ...
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Journal ArticlePediatr Neurol · January 2007
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This report presents a case of short-chain acyl-coenzyme A (CoA) dehydrogenase deficiency with a previously unreported presentation with brain malformations and infantile spasms. This female infant developed repeated tonic clonic seizures at the age of 3(1 ...
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Journal ArticleNeurology · December 12, 2006
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OBJECTIVE: To investigate the effects of two doses of vitamin D given over 1 year on bone density in ambulatory patients on long-term antiepileptic drug (AED) therapy. METHODS: We conducted two parallel, randomized, controlled trials in 72 adults (18 to 54 ...
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Journal ArticleEpileptic Disord · December 2006
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By definition, benign epilepsy syndromes occur in patients with no significant prenatal, perinatal, or postnatal complications, normal psychomotor development and negative laboratory and neuroimaging work-up, respond well to therapy, and remit without sequ ...
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Journal ArticleEpileptic Disorders · December 1, 2006
By definition, benign epilepsy syndromes occur in patients with no significant prenatal, perinatal, or postnatal complications, normal psychomotor development and negative laboratory and neuroimaging work-up, respond well to therapy, and remit without sequ ...
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Journal ArticleJ Child Neurol · November 2006
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We report a case of partial biotinidase deficiency (plasma biotinidase levels: 1.30 nm/minute/mL) in a 7-month-old boy who presented with evidence of perinatal distress followed by developmental delay, hypotonia, seizures, and infantile spasms without alop ...
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Journal ArticleEpileptic Disord · September 2006
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There is currently increasing interest in identifying and classifying pediatric benign epilepsy syndromes and recently several new syndromes have been recognized. Benign epilepsy syndromes, by definition, occur in children with normal developmental history ...
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Journal ArticleEpilepsy Behav · August 2006
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We describe a woman with intractable temporal lobe epilepsy secondary to dysgenesis of the left temporal lobe who had a marked and long-term exacerbation of her preexisting vocal tics after a temporal lobectomy that completely controlled her seizures. The ...
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Journal ArticleEpilepsia · May 2006
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PURPOSE: The goal of epilepsy surgery is not merely to control previously intractable seizures, but also to improve quality of life (QOL). Our goals were to assess, in our Middle Eastern population, the QOL of adults with temporal lobe epilepsy (TLE) 3 yea ...
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Journal ArticleBMC Med · March 4, 2006
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BACKGROUND: Alternating ibuprofen and acetaminophen for the treatment of febrile children is a prevalent practice among physicians and parents, despite the lack of evidence on effectiveness or safety. This randomized, double-blind and placebo-controlled cl ...
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Journal ArticleBiochim Biophys Acta · March 2006
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Maurocalcine (MCa) is a 33-amino acid residue peptide toxin initially isolated from the scorpion Scorpio maurus maurus. Its structural and functional features make it resembling many Cell Penetrating Peptides. In particular, MCa exhibits a characteristic p ...
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Journal ArticleCNS Spectrums · February 1, 2006
This report reviews a case of calculation-induced idiopathic generalized epilepsy (IGE) that, unlike most patients with IGE, was refractory to medications. This patient had a family history of a similar condition in a relative of hers who did not have iden ...
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Journal ArticleJ Med Liban · 2006
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Because magnesium has antiseizure effects in some animal models of epilepsy, and possible neuroprotective effects in some models of neuronal injury, we aimed to investigate its effects in the kainic acid (KA) model of status epilepticus (SE) in prepubescen ...
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Journal ArticleJ Exp Anal Behav · November 2005
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Children who have status epilepticus have continuous or rapidly repeating seizures that may be life-threatening and may cause life-long changes in brain and behavior. The extent to which status epilepticus causes deficits in auditory discrimination is unkn ...
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Journal ArticleBMC Pediatr · September 6, 2005
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BACKGROUND: The antipyretic effectiveness of rectal versus oral acetaminophen is not well established. This study is designed to compare the antipyretic effectiveness of two rectal acetaminophen doses (15 mg/kg) and (35 mg/kg), to the standard oral dose of ...
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Journal ArticleSeizure · September 2005
Topiramate was assessed in an open-label trial as broad-spectrum antiepileptic monotherapy, independently from the epilepsy type or syndrome. Adults and children aged 2 years and older, who were diagnosed with epilepsy within the last 5 years, treatment-na ...
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Journal ArticleBrain Res Dev Brain Res · June 9, 2005
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Ten-day-old rat pups (P10) subjected to acute hypoxia (down to 4% O2) had as adults increased aggression (handling test), memory impairment (water maze test), and decreased CA1 cell counts. Pups subjected to chronic hypoxia (10% O2 from P0 to P21) had incr ...
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Journal ArticleJ Child Neurol · May 2005
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A full-term male newborn presented to us at the age of 2 weeks with left facial weakness that had started at the age of 4 days and steadily progressed over a 10-day period. Physical examination revealed a complete unilateral left peripheral facial nerve pa ...
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Journal ArticleEpilepsy Behav · May 2005
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We report a case of recurrent partial seizures that were often precipitated by looking up a flight of stairs and included spitting as well as repetitive affectionate kissing automatisms. These seizures were shown by long-term video/EEG monitoring to be of ...
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Journal ArticlePaediatr Drugs · 2005
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Landau-Kleffner syndrome (LKS) is an acquired epileptic aphasia disorder in which children, usually 3-8 years of age who have developed age-appropriate speech, experience language regression with verbal auditory agnosia, abnormal epileptiform activity, beh ...
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Journal ArticleEpilepsia · 2005
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We report a case with calculation-induced idiopathic generalized epilepsy (IGE) that, unlike most patients with IGE, was refractory to medications. This patient had a family history of (1) a similar condition in a relative of hers who, however, did not hav ...
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Journal ArticleNeurosciences (Riyadh) · January 2005
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Febrile seizures occur between the age of 3 months and 5 years with a temperature of 38 degrees C or higher, and are either simple or complex. Eight gene loci have been identified to be associated with certain cases of autosomal dominant familial febrile s ...
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Journal ArticleBrain Inj · December 2004
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PURPOSE: To investigate if energy precursor supplementation is neuroprotective in two neuroexcitotoxicity models; the kainate and the kainate followed by chronic phenobarbital models. METHODS: Rats in experiment 1 received 1% creatine or cyclocreatine chow ...
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Journal ArticleEpilepsy Behav · April 2004
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OBJECTIVE: The goal of this study was to investigate the potential protective effects of nimodipine (ND), a calcium channel blocker, on the acute manifestations and long-term behavioral sequalae of experimental status epilepticus (SE). METHODS: Three group ...
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Journal ArticleEpilepsy Behav · February 2004
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The purpose of this study was to investigate which areas of quality of life (QOL) change after epilepsy surgery and generate QOL data specific to the Lebanese population. The QOL of 20 consecutive patients 1 year after surgery was compared (using the ESI-5 ...
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Journal ArticlePediatr Neurol · September 2003
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Morphea, a specific type of cutaneous sclerosis, is known in the pediatric age group, but not as an adverse effect to the antiepileptic valproic acid. We report a 14-year-old male patient with absence seizures who, after treatment with valproic acid, devel ...
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Journal ArticleEnviron Health · April 15, 2003
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BACKGROUND: Childhood lead poisoning has not made the list of national public health priorities in Lebanon. This study aims at identifying the prevalence and risk factors for elevated blood lead concentrations (B-Pb >or= 100 microg/L) among 1-3 year old ch ...
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Journal ArticleEnviron Health · March 10, 2003
BACKGROUND: In South Africa there is little data on environmental pollution of rural water sources by agrochemicals. METHODS: This study investigated pesticide contamination of ground and surface water in three intensive agricultural areas in the Western C ...
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Journal ArticleEpilepsia · March 2003
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PURPOSE: Status epilepticus (SE) can result in acute neuronal injury with subsequent long-term age-dependent behavioral and histologic sequelae. To investigate potential mechanisms that may underlie SE-related neuronal injury, we studied the occurrence of ...
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Journal ArticleEpilepsy Res · 2003
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BACKGROUND: Adult rats undergo five distinct electrographic stages during status epilepticus (SE). Whether developing animals manifest those stages is not yet known. GOALS: Determine in the kainic acid (KA) model: (1) the EEG stages of SE in P15 and P35 ra ...
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Journal ArticleJ Med Liban · 2003
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Four noninstitutionalized patients, 4 months - 51 years old, presented out of 421 patients with epilepsy seen within a period of 2 years with serious symptoms of vitamin D deficiency secondary to chronic antiepileptic drug therapy. Presenting symptoms incl ...
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Journal ArticleBrain Inj · October 2002
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OBJECTIVE: To assess the effect of chronic hypoxia on brain neuronal apoptosis, an animal model mimicking cyanotic heart disease was utilized. METHODS: Rats were placed in an hypoxic environment at birth and oxygen levels were maintained at 10% in an air-t ...
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Journal ArticleJ Clin Rheumatol · August 2002
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Hepatitis A virus is rarely associated with extrahepatic complications. A child presented with a history suggesting Raynaud's phenomenon and severe digital gangrene, as a complication of hepatitis A infection. Coagulation study results (protein C, protein ...
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Journal ArticleJ Pediatr · July 2002
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OBJECTIVES: To investigate the efficacy, tolerability, and kinetics of lamotrigine during the first year of life. STUDY DESIGN: We studied 13 infants with intractable seizures; 7 had partial seizures and 7 had infantile spasms (1 had both). Patients receiv ...
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Journal ArticleNeurology · May 14, 2002
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BACKGROUND: Long-term antiepileptic drug (AED) use causes multiple abnormalities in calcium and bone metabolism that have been most extensively described in institutionalized patients. The objective is to determine the effect of AED on vitamin D levels and ...
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Journal ArticlePediatr Neurol · April 2002
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We administered 2 gm/kg of intravenous gamma globulin (IVIG) to each of five consecutive patients with Landau-Kleffner syndrome, over 4 days. We compared the 1-month baseline to that following IVIG using a severity score assessing speech, comprehension, be ...
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Journal ArticleClin Neuropharmacol · 2002
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Infantile spasms are the main feature in West syndrome, an age-related epilepsy syndrome that affects 1 in every 2,000-4,000 infants. The authors provide a comprehensive review of the literature about infantile spasms and their therapy. In the United State ...
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Journal ArticleJ Child Neurol · November 2001
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Mycotic aneurysms are rare complications in patients with infective endocarditis, particularly in the pediatric population. We report a case of mycotic aneurysm of the middle cerebral artery complicating bacterial endocarditis in a child with Down's syndro ...
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Journal ArticleEpilepsy Res · February 2001
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P35 rats subjected to kainate induced status epilepticus (SE) subsequently underwent four consecutive series of the Morris Water Maze. They demonstrated, compared with controls, an early (P46-49), and subsequent (P60-63) disturbance in acquisition, but not ...
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Journal ArticleNeuropharmacology · 2001
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The anticonvulsant action and the long-term effects on learning, memory and behavior of the new generation antiepileptic drug gabapentin (GBP) were investigated in immature animals. Kainic acid (KA) was administered to rats on postnatal day (P) 35. Animals ...
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Journal ArticlePediatr Neurol · January 2001
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Adipic acid can appear, in combination with other dicarboxylic acids, in the urine of patients in a number of underlying metabolic diseases. A child with seizures and mental retardation of unknown etiology who was found to have elevated isolated adipic aci ...
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Journal ArticlePediatr Neurol · January 2001
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In this report the types of epilepsy syndromes seen in children in a tertiary referral center in Beirut, Lebanon were studied and the importance of consanguinity and family history in the occurrence of these syndromes was investigated. Records of 230 pedia ...
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Journal ArticlePediatr Neurol · August 2000
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We present our analysis of 44 patients with alternating hemiplegia of childhood. The clinical course usually consisted of three phases. The first was dominated by abnormal eye movements and dystonic episodes, the second by hemiplegic spells and psychomotor ...
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Journal ArticleEpilepsia · July 2000
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PURPOSE: There is a need for new and more effective therapies for Landau-Kleffner syndrome. In this article we present the first case in which a patient with Landau-Kleffner syndrome was given intravenous immunoglobulin (IVIG) as his first and only therapy ...
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Journal ArticleJ Child Neurol · February 2000
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We report an 8-year-old boy with complex partial seizures due to congenital stroke, treated with valproate for more than 3 years (the last 2 years were on monotherapy) with no complications during that period except for transient thrombocytopenia. His sist ...
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Journal ArticlePediatr Cardiol · 2000
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Clinical data from 91 patients with rheumatic fever (RF), who were hospitalized at a tertiary hospital in Lebanon between 1980 and 1995, were reviewed retrospectively. Age on hospitalization was 11.1+/-2.9 years (mean +/- SD, range 3-17 years). Nineteen pa ...
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Journal ArticlePediatr Neurol · January 2000
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Lamotrigine is a new antiepileptic drug that is effective for a broad range of seizures in adults and children. Three children with seizures of different causes who were treated with lamotrigine and developed reversible hepatotoxicity are reported. In one ...
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Journal ArticlePediatr Neurol · November 1999
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Congenital glaucoma and insulin-dependent diabetes mellitus were the predominant presenting signs in a patient with Kearns-Sayre syndrome. Thereafter, he developed short stature, pigmentary retinopathy, progressive external ophthalmoplegia, and ataxia. The ...
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Journal ArticleBrain Res Dev Brain Res · March 12, 1999
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To investigate if AMPA (alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid) receptor activation contributes to acute manifestations and long term consequences of status epilepticus (SE), we administered the AMPA receptor antagonist NBQX to P35 rats u ...
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Journal ArticleEur Neurol · 1999
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Adrenoleukodystrophy (ALD) is an X-linked inherited disorder of lipid metabolism usually presenting in childhood or early adolescence. It is a progressive disease with symptoms of adrenal insufficiency and central nervous system demyelination. The patholog ...
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Journal ArticleAm J Perinatol · 1999
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Postnatal exposure to steroids has been associated with hypertrophic cardiomyopathy (HCM) in the newborn. Such an effect has not been described in infants born to mothers who received antenatal steroids. We report three newborns whose mothers were treated ...
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Journal ArticleJ Intellect Disabil Res · December 1998
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Twenty-six children with intellectual disability and six normal children, all suffering from refractory partial seizures, received open-label gabapentin (range = 10-50 mg kg(-1) day(-1); mean = 26.7 mg kg(-1) day(-1) as an add-on medication to their antiep ...
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Journal ArticleElectroencephalogr Clin Neurophysiol · November 1998
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We investigated the discharge morphology and propagation patterns of electroencephalographic seizures of temporal lobe onset in 21 children and young adults who underwent invasive long-term EEG monitoring (LTM). Of those, 15 subsequently underwent anterior ...
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Journal ArticleNeurology · July 1998
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OBJECTIVE: To investigate the long-term effects of two widely used antiepileptic medications, valproate and phenobarbital, on learning and behavior in the kainic acid (KA) model of epilepsy. BACKGROUND: Prior clinical and animal studies have demonstrated t ...
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Journal ArticleJ Med Liban · 1998
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Neonatal pneumopericardium is a rare clinical condition which usually occurs in association with other air leaks, especially when there is severe lung pathology, post vigorous resuscitation, or in presence of assisted ventilation. We report the first case ...
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Journal ArticleJ Child Neurol · November 1997
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Although lamotrigine has been approved in the United States as adjunctive therapy for partial seizures in patients older than 12 years, there is increasing evidence that it is just as effective, if not more effective, in the treatment of generalized seizur ...
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Journal ArticleEpilepsia · April 1997
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PURPOSE: Although several treatments have been tried for Landau-Kleffner syndrome (LKS) too many patients are refractory to known therapies. We report an 8-year-old girl who failed other therapies but who had a consistent response after treatment with intr ...
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Journal ArticlePediatr Neurol · April 1997
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A subgroup of patients with West syndrome (WS) also have focal features, and some of these patients respond to surgical intervention. To determine the incidence of focal features in patients with WS and to establish the correlation of these features with o ...
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Journal ArticleEpilepsy Res · January 1997
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Kainic acid (KA) causes behavioral and electrographic status epilepticus (SE) in rats of all ages. In adult rats, the noncompetitive N-methyl-D-aspartate (NMDA) channel blocker MK801 ((+)-5-methyl-10,11-dihydro-5H-dibenzo[a,d]-cyclohepten-5,10-imine ) is a ...
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Journal ArticleEur Arch Psychiatry Clin Neurosci · 1997
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The acute pathophysiologic changes during hemiplegic spells and the long-term outcome of alternating hemiplegia remain obscure. In a 41-year-old male with familial alternating hemiplegia we found an increase in right frontal cerebral blood flow 3 h into a ...
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Journal ArticleNeurology · January 1997
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To determine the frequency and significance of the EEG features of hypsarrhythmia, we analyzed the pre-ACTH records of 53 consecutive patients with infantile spasms for the severity of the following abnormalities: disorganization of background, slowing, hi ...
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Journal ArticleDisease Management and Health Outcomes · January 1, 1997
The costs of epilepsy, one of the most common neurological diseases, affect society as a whole as well as patients themselves. Approximately 15% of patients with epilepsy are considered to have difficult-to-treat or treatment-refractory epilepsy, and their ...
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Journal ArticleBrain Res Dev Brain Res · September 2, 1996
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Because of the critical role of excitatory amino acids (EAAs) in epileptogenesis and seizure-induced brain damage, EAA antagonists are now being considered as a possible therapy for seizures. However, during development EAAs play a pivotal role in learning ...
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Journal ArticleEpilepsia · September 1996
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PURPOSE: Because oral, buccal, and sometimes oral-pharyngeal manifestations in epilepsy are linked to the central-temporal region, we studied 3 patients with childhood-onset partial seizures that consistently began with pharyngeal dysesthesias, described a ...
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Journal ArticleJ Pediatr · June 1996
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Thirty-two children with refractory partial epilepsy received open-label gabapentin as an additional medication to their antiepileptic drug regimen. Gabapentin was given in a dose ranging from 10 to 50 mg/kg per day (mean dose, 26.7 mg/kg daily). All patie ...
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Journal ArticlePediatr Neurol · April 1996
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Staring is frequently a nonepileptic manifestation in children. To differentiate epileptic versus nonepileptic staring, we reviewed clinical and video-EEG findings in 143 patients, aged 5 months to 43 years, monitored for staring episodes. In 79 patients s ...
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Journal ArticleEpilepsia · January 1996
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We report 7 children who received gabapentin (GBP) as adjunctive medic ation and subsequently developed behavioral side effects. These behavioral changes consisted of intensification of baseline behaviors as well as new behavioral problems. Behaviors that ...
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Journal ArticleBrain Res Dev Brain Res · October 27, 1995
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We investigated the role of excitatory amino acids in the activation of the phosphoinositide pathway during kainic acid-induced seizures in mature and immature animals. Kainic acid caused more severe seizures in the immature animals, but no hippocampal dam ...
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Journal ArticleNeurosurg Clin N Am · July 1995
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This article reviews the preoperative evaluation of the child with intractable epilepsy. The importance of the history and the clinical manifestations of the seizures, and the results of electrophysiology, neurophysiology, and neuroimaging studies are disc ...
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Journal ArticleSeizure · June 1995
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We report two patients with epilepsy with pseudoseizures at age 6 years. Both presented with intractable staring spells. Pseudoseizures were provoked and aborted by suggestion, leading to the diagnosis. In both patients, evidence of a neuropsychological di ...
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Journal ArticleElectroencephalogr Clin Neurophysiol · April 1995
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Hemispherectomy, for the treatment of seizures, is highly successful but has a significant morbidity rate. The procedure is usually restricted to patients with an intractable seizure disorder and hemiparesis. Because of the inherent risk of surgery, patien ...
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Journal ArticleClin Chem · March 1995
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Clotrimazole (CLT) has recently been shown to be a potent and specific inhibitor of the Ca(2+)-activated K+ channel and to thereby prevent K+ loss and cellular dehydration of sickled erythrocytes. This evidence suggests that oral CLT may be a useful new th ...
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Journal ArticlePediatric Neurosurgery · January 1, 1995
For patients with intractable seizures, the best surgical outcome is achieved following precise localization of the seizure focus. Scalp EEG monitoring may be: insufficient and chronic subdural invasive EEG monitoring has therefore been advocated. At Child ...
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Journal ArticleBrain Dev · 1995
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Sixteen children who had focal cortical resections for medically intractable epilepsy were preoperatively evaluated with 99mtechnetium-labelled hexamethylpropyleneamineoxime single photon emission computed tomography (99mTc-HMPAO SPECT). Video-EEG monitori ...
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Journal ArticlePediatr Neurol · January 1995
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Mesial temporal sclerosis (MTS) is a common pathologic finding in patients with temporal lobe epilepsy. Rarely MTS can be detected in children during the first decade of life, but is not commonly found until adolescence. Although the etiology of MTS remain ...
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Journal ArticlePediatr Neurol · January 1995
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Psychogenic seizures are unusual during the first decade of life. To compare the clinical features of psychogenic seizures in young children with those of teenagers, the long-term electroencephalographic and video monitoring studies of all patients younger ...
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Journal ArticlePediatr Neurosurg · 1995
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For patients with intractable seizures, the best surgical outcome is achieved following precise localization of the seizure focus. Scalp EEG monitoring may be insufficient and chronic subdural invasive EEG monitoring has therefore been advocated. At Childr ...
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Journal ArticleEpilepsy Res · December 1994
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The effect of seizures on subsequent long-term behavior was studied in immature rats. A similar severity of seizures were induced in 20-day old rats (P20) and 45-day old rats (P45) by intraperitoneal injections of pilocarpine at doses of 200 mg/kg and 380 ...
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Journal ArticlePediatr Neurol · October 1994
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With recent descriptions of the modified hemispherectomies and hemicorticectomy, there has been renewed interest in hemispherectomy for treatment of intractable seizures with hemiparesis. Because long-term outcome remains uncertain, patient selection remai ...
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Journal ArticleNeurology · October 1994
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The National Institutes of Health sponsored a randomized, double-blind, multicenter, placebo-controlled trial of flunarizine (FNR) in epileptic patients receiving concomitant phenytoin (PHT) or carbamazepine (CBZ). Because of FNR's long half-life (up to 7 ...
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Journal ArticleJ Pediatr · September 1994
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Thirty children (2 to 17 years of age) with refractory partial seizures received open-label felbamate as an add-on medication to their background antiepileptic drugs. The dose was increased up to a maximum of 45 mg/kg. Compared with baseline seizure activi ...
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Journal ArticleAnn Neurol · September 1994
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To investigate the potential role of drug therapy in preventing or exacerbating seizure-related brain injury in the prepubescent brain, we administered kainic acid to rats at postnatal day 35. Therapy with daily phenobarbital was started directly before or ...
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Journal ArticleClin Chem · May 1994
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Felbamate, a newly developed antiepileptic agent, has been demonstrated to control partial and generalized seizures effectively. We have developed a gas-chromatographic method for the determination of felbamate, using a wide-bore capillary column, a flame ...
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Journal ArticleEpilepsia · 1994
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Quisqualic acid (QA) is an excitatory amino acid analogue that binds to the glutamate ionotropic receptor subclass AMPA (alpha-amino-3 hydroxy-5 methyl-4 isoxazol propionic acid) and metabotropic receptor phospholipase C. To study its epileptogenic propert ...
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Journal ArticleEpilepsia · 1994
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To establish guidelines for medication reduction during inpatient telemetry, the records of 18 children and young adults with refractory partial seizures undergoing carbamazepine (CBZ) reductions during continuous video/EEG telemetry were reviewed. Six pat ...
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Journal ArticleJournal of Epilepsy · January 1, 1994
Invasive EEG monitoring is used in the presurgical evaluation of children with intractable epilepsy. The morbidity of intracranial electrode monitoring was retrospectively evaluated in 56 children and adults; 16 patients had depth electrodes (DE), 30 had s ...
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Journal ArticleJournal of Epilepsy · January 1, 1994
Spitting is a rare neurological complaint. Alimentary automatisms are a common part of temporal lobe epilepsy and usually manifest as chewing and swallowing. We report compulsory spitting as an ictal manifestation in three patients suspected of having temp ...
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Journal ArticleBrain Res · December 17, 1993
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The effects of body temperature on kainic acid-induced seizures and seizure-related brain damage were examined in rats. In rats with status epilepticus induced by intraperitoneal injection of 12 mg/kg of kainic acid (KA), ictal discharges were decreased by ...
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Journal ArticleNeurology · November 1993
We evaluated the efficacy and safety of lamotrigine (300 and 500 mg/day) as add-on therapy in a multicenter, randomized, double-blind, parallel-group, placebo-controlled study of 216 patients with refractory partial seizures. During 6 months of treatment, ...
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Journal ArticleBrain Res · October 29, 1993
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Basic fibroblast growth factor (bFGF) has been shown to have neuroprotective effects in animal models of ischemia. To determine whether bFGF is protective against seizure-induced brain damage, we administered bFGF through osmotic pumps prior to, and after ...
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Journal ArticleBrain Res · October 1, 1993
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To compare the long-term behavioral effects of chronic administration of excitatory amino acids in the mature and immature brain quisqualic acid (QA) and glutamate (GLU) were administered intraventricularly by osmotic pumps over 7 days in 20- and 60-day-ol ...
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Journal ArticleBrain Res Dev Brain Res · May 21, 1993
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To determine the long-term effects of seizures on the developing brain we kindled 20-, 40-, and 60-day-old rats to stage 5 seizures and then elicited an additional 15 seizures using the same kindling stimulation. At age 80 days, all animals that reached st ...
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Journal ArticleEpilepsia · 1993
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We report 16 patients with infantile spasms in whom onset of the clusters of spasms appeared to be triggered by close temporal association with partial seizures. Common features included the presence of focal cerebral lesions in 12 infants (3 were classifi ...
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Journal ArticleEpilepsia · 1993
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Felbamate (FBM), a newly developed antiepileptic drug (AED), was previously shown to offer some neuroprotective effects against hypoxic injury in both in vivo and in vitro studies. We administered FBM (100 or 300 mg/kg) to 30-day-old rats 1 h after they re ...
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Journal ArticleJournal of Epilepsy · January 1, 1993
Deviation of the head or eyes at the onset of a seizure usually suggests that the seizure focus is located in the contralateral hemisphere. We describe an infant with extensive cerebral dysgenesis in whom left frontal ictal discharges on EEG were consisten ...
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Journal ArticleJournal of Epilepsy · January 1, 1993
Thirty-one children (5 months to 19 years) with medically intractable childhood epilepsy had nitrazepam added to their antiepileptic drug (AED) regimen. All patients had previously received phenobarbital, phenytoin, carbamazepine, valproate, and at least o ...
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Journal ArticleNeurology · December 1992
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We report the familial occurrence and apparent autosomal dominant inheritance of alternating hemiplegia of childhood. The proband, a 9-year-old boy, presented with developmental retardation, rare tonic-clonic seizures, and frequent episodes of flaccid alte ...
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Journal ArticleJ Pediatr · March 1992
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Because Kawasaki disease is a disorder characterized by lymphocyte activation and immune complex destruction of endothelial cells, we examined the effect of administration of high doses of intravenously administered immune globulin (IVIG) on a lymphocyte p ...
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Journal ArticleEpilepsia · 1992
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Ten patients with well-controlled seizures receiving chronic phenytoin (PHT) monotherapy for seizure prophylaxis completed a randomized double-blind crossover study comparing brand-name and generic PHT. Each patient received the same dose of each preparati ...
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Journal ArticleJ Clin Neuroophthalmol · September 1991
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Oculogyric crises are dystonic, usually upward, conjugate eye deviations. We describe an 11-year-old girl who developed oculogyric crises 3 1/2 years after infarction of the right caudate, putamen, and internal capsule. Her abnormal eye movements responded ...
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Journal ArticleElectroencephalogr Clin Neurophysiol · March 1991
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The EEG features and clinical correlates were investigated before, directly after, and on long-term follow-up after initiation of pyridoxine therapy in 6 patients with B6-dependent epilepsy. At each phase, the EEG provided important diagnostic and prognost ...
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Journal ArticleInternational Pediatrics · January 1, 1991
Complex partial seizures of temporal lobe origin are one of the most common, yet difficult to control seizures occurring in childhood. In this article, the clinical manifestations, differential diagnosis, evaluation, and treatment of children with this dis ...
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Journal ArticleNeurology · September 1990
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We studied the sequential EEGs of 15 neonatal herpes simplex virus meningoencephalitis (NHSV-ME) patients and correlated them with corresponding clinical and laboratory findings. During days 1 to 4 of the illness, 8 had EEGs. All but 1 had abnormal tracing ...
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Journal ArticleClin Neuropharmacol · August 1989
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Four adult men with resistant partial seizures underwent an intensive open-label protocol designed to evaluate long-term add-on lamotrigine (LTG) therapy. Following an 8-week baseline, LTG was added to their background medication(s) (carbamazepine in three ...
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Journal ArticleNeurology · April 1989
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We sequentially determined carbamazepine clearance values in 17 patients at the end of weeks 1, 2, 4, 8, and 12 of monotherapy. There were no significant differences among these clearance values. In 11 of 17 patients, week 1 clearance accurately predicted ...
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Journal ArticleNeurology · July 1988
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Addition of carbamazepine to phenytoin monotherapy resulted in the following significant (p less than 0.05) changes: (1) increased mean phenytoin serum concentration; (2) decreased phenytoin clearance, due to decreased production of phenytoin dihydrodiol a ...
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Journal ArticleNeurology · April 1988
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Phenytoin pharmacokinetics and biotransformation were studied with stable isotope tracer techniques in six patients before and after addition of phenobarbital. No significant (p less than 0.05) changes in phenytoin serum concentration, clearance, eliminati ...
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Journal ArticleArch Ophthalmol · February 1986
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A 4-year-old boy had been noted from birth to have bilateral masses obscuring the entire outer portion of the eyes. Systemic findings included mild growth retardation, multiple cortical lesions of the distal metaphyseal ends of the lower extremities, and d ...
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Journal ArticleAm J Med Genet · November 1985
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Four sibs, three males and one female, had microcephaly, hypergonadotropic hypogonadism, short stature, and multiple congenital anomalies. They had five normal sibs and consanguineous parents. Findings in the affected sibs also included a narrow forehead, ...
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Journal ArticleAm J Med Genet · February 1985
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We report on two sisters born to normal but consanguineous parents, with the unusual combination of spinocerebellar degeneration and corneal dystrophy. Their manifestations include mental subnormality, bilateral corneal opacification starting in the second ...
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Journal ArticleEpilepsia · 1985
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An 11-year-old previously healthy boy had an abrupt onset of partial complex, focal, multifocal, and generalized seizures, with interictal expressive aphasia, extreme emotional lability, agitation, and complex visual and auditory hallucinations. EEGs showe ...
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Journal ArticleHelv Paediatr Acta · December 1984
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We are describing two male siblings with proximal renal tubular insufficiency, cholestatic jaundice, predisposition to infection, and multiple congenital anomalies. These patients presented in the early neonatal period with micrognathia, low set ears, high ...
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Journal ArticleAm J Med Genet · March 1982
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We have studied a sibship with one confirmed and three probable cases of the Marden-Walker syndrome (MWS). Our patient had the major manifestations of blepharophimosis and squint; narrowly arched palate with micrognathia; small mouth and mouth-breathing; f ...
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Journal ArticleJ Pediatr · December 1981
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Six children, five girls and one boy, presented with recurrent episodes of swelling, pain, and tenderness of the long bones. On roentgenographic examination all had cortical hyperostosis of the affected areas. Serum phosphate concentration was persistently ...
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