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Objective
PCDH19‐related epilepsy is an epileptic syndrome with infantile onset, characterized by clustered and fever‐induced seizures, often associated with intellectual disability (ID) and autistic features. The aim of this study was to analyze a large cohort of patients with PCDH19‐related epilepsy and better define the epileptic phenotype, genotype‐phenotype correlations, and related outcome‐predicting...
Patients affected by protocadherin 19 (PCDH19)–female limited epilepsy (PCDH19‐FE) present a remarkable reduction in allopregnanolone blood levels. However, no information is available on other neuroactive steroids and the steroidogenic response to hormonal stimulation. For this reason, we evaluated allopregnanolone, pregnanolone, and pregnenolone sulfate by liquid chromatographic procedures coupled...
This paper reports on the clinical aspects, electroencephalographic (EEG) features, and neuroimaging findings in children with full trisomy 18 and associated epilepsy, and compares the evolution and outcome of their neurological phenotype. We retrospectively studied 18 patients (10 males and 8 females; aged 14 months to 9 years) with full trisomy 18 and epilepsy. All patients underwent comprehensive...
Aim
Epilepsy is commonly observed in congenital disorders of glycosylation (CDG), but no distinctive electroclinical pattern has been recognized. We aimed at identifying a characteristic clinical presentation that might help targeted diagnostic work‐up.
Method
Based on the initial observation of an index case with CDG and migrating partial seizures, we evaluated 16 additional children with CDG...
PCDH19 gene mutations have been recently associated with an epileptic syndrome characterized by focal and generalized seizures. The PCDH19 gene (Xq22.1) has an unusual X‐linked inheritance with a selective involvement for female subjects. A cellular interference mechanism has been hypothesized and male patients can manifest epilepsy only in the case of a mosaicism. So far about 100 female patients,...
PurposeAbsence epilepsy with onset before age 4 years, or early onset absence epilepsy (EOAE), has been rarely reported, and children with onset in the first year of life are considered almost exceptional. We aimed to report the clinical and electrophysiologic features of a cohort of children with absence epilepsy starting within the first year of life.
MethodsThis was a multicenter study including...
Purpose: Mutations of the protocadherin19 gene (PCDH19) cause a female‐related epilepsy of variable severity, with or without mental retardation and autistic features. Despite the increasing number of patients and mutations reported, the epilepsy phenotype associated with PCDH19 mutations is still unclear. We analyzed seizure semiology through ictal video–electroencephalography (EEG) recordings in...
Purpose: To describe clinical and neuropsychological features of six consecutive sporadic girls with protocadherin 19 (PCDH19) mutations.
Methods: Following recent descriptions of PCDH19 mutation in girls with epilepsy, we sequenced this gene in patients with infantile or early childhood seizures onset, either focal or generalized, without an obvious etiology.
Key Findings: Mean age at the time...
Ketogenic diet is a nonpharmacologic treatment for childhood epilepsy not amenable to drugs. At the present time, two works based on national research, one in Germany and one in the United States provide international guidelines to ensure a correct management of the ketogenic diet. Our Italian collaborative study group was set up in order to formulate a consensus statement regarding the clinical management...
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