Neuropediatrics

BACKGROUND:  Nutritional management of children and adolescents with severe neurological impairment (SNI) is challenging. A web-based survey was distributed to identify the present situation and the knowledge of the involved medical professionals in Germany. METHODS:  The survey was created with LimeSurvey, and access data were distributed by several medical societies. Eighty-three questions covered four topics: "general information," "gastro- and jejunostomy procedure," "handling of gastrostomies and feeding tubes," and "nutritional management and follow-up of children and adolescents with SNI...

BACKGROUND:  Glucose is an important fuel for the brain. In glucose transporter 1 deficiency syndrome (GLUT1DS), the transport of glucose across the blood-brain barrier is limited. Most individuals with GLUT1DS present with developmental problems, epilepsy, and (paroxysmal) movement disorders, and respond favorably to the ketogenic diet. Similar to ketones, lactate is an alternative energy source for the brain. The aim of this study is to investigate whether intravenous infusion of sodium lactate in children with GLUT1DS has beneficial effects on their epilepsy...

BACKGROUND:  A relevant number of visits to pediatric emergency departments (pED) are associated with mild traumatic brain injury (mTBI). On March 16, 2020, the Bavarian government declared a first full lockdown (LD) related to the coronavirus (COVID-19) pandemic. AIM:  The aim of the study was to investigate the impact of LD on pediatric mTBI. METHODS:  Retrospective chart review of presentations to a pED due to mTBI...

BACKGROUND:  Different types of electrical stimulation (ES) showed diverse effects on children with cerebral palsy (CP). Previous studies reported inconsistent results for effects of ES on children with CP. The present study aimed to conduct a meta-analysis to summarize these diverse results. METHODS:  We searched for studies exploring effects of ES on children with CP in databases (PubMed and Web of Science) from their inception until December 2022...

OBJECTIVE:  Attention deficit hyperactivity disorder (ADHD) is a common neuropsychological disorder primarily diagnosed in childhood. Early intervention was found to significantly improve developmental outcomes, implicating on the role of early identification of ADHD markers. In the current study, we explored the developmental history of children referred to neurological assessment to identify early ADHD predictors. METHODS:  A total of 92 children and adolescents (41 females) recruited at a pediatric neurology clinic, with suspected ADHD ( n  = 39) or other neurological difficulties ( n  = 53) such as headaches, seizures, tic disorders, orthostatic hypotension, postischemic stroke, intermittent pain, and vasovagal syncope...

BACKGROUND: Teenagers with epilepsy require special attention to ensure a successful treatment journey. Our objective was to delineate the clinical characteristics of adolescent-onset epilepsy and investigate the predictive factors influencing first-year seizure freedom. METHODS: We retrospectively analyzed the medical records of patients whose first seizure occurred between the ages of 10 and 19 years and who received antiseizure medication (ASM) treatment for at least 12 months...

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Mitchell syndrome is a very rare genetic disorder due to a specific de novo gain-of-function variant in acyl-CoA oxidase 1 ( ACOX1 ). So far, only five patients with this disease have been described worldwide. We present here two additional unrelated German patients found to carry the same heterozygous ACOX1  N237S variant through exome sequencing (ES). Both patients showed neurodegenerative clinical features starting from ∼4 to 5 years of age including progressive hearing loss, ataxia, ichthyosis, as well as progressive visual impairment leading to amaurosis, and died at the ages of 16 and 8 years, respectively...

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OBJECTIVE: Children with epilepsy have a significantly increased risk of cognitive impairment. EpiTrack Junior is a screening tool developed for fast assessment of cognitive function in children with epilepsy. The tool is validated for German children. This cohort study aims to investigate the differences in cognitive function between healthy Danish children and Danish children diagnosed with epilepsy METHODS:  The cognitive function of 204 healthy controls and 90 children and adolescents diagnosed with epilepsy was examined using EpiTrack Junior...

The neurodevelopmental outcomes in children with tuberous sclerosis complex (TSC) with epileptic spasms remain underdiagnosed and might be responsible for significant morbidity and mortality burdens, even after spasms abate. The study was a cross-sectional study over 18 months at a tertiary care pediatric hospital, involving 30 children with TSC who had epileptic spasms. They were assessed with Diagnostic and Statistical Manual of Mental Disorders-5 criteria for autism spectrum disorder (ASD), attention deficit hyperactivity disorder (ADHD), and intellectual disability (ID), and childhood psychopathology measurement schedule (CPMS) for behavioral disorders...

The mechanistic target of the rapamycin signaling pathway serves as a central regulator of cell metabolism, growth, proliferation, and survival. In its regulation, the GTPase-activating protein activity toward Rags1 complex has an inhibitory effect. Mutations in genes encoding this complex protein are among the most common abnormalities in focal epilepsies. Within these mutations, the mutations affecting the DEPDC5 gene have been associated with different autosomal dominantly inherited epilepsy types. Due to the limited data available on mTOR inhibitor therapy in nontuberous sclerosis complex epileptic patients, here we present the clinical management of a patient with intractable epilepsy, skin hypopigmentation, and a DEPDC5 variant...

BACKGROUND: Although it is a valuable option for children with drug-resistant epilepsy, ketogenic diet (KD) therapy is associated with several side effects. The frequency of kidney stones and risk factors for their development in epileptic children receiving KD is unclear. The aim of this study was to determine the frequency and risk factors for the development of renal stones in children receiving KD therapy. METHODS: A total of 95 patients receiving KD were identified...

Wolf-Hirschhorn syndrome (WHS) is caused by deletion of the terminal region of chromosome 4 short arm and is frequently associated with intractable epilepsy. This article evaluates the clinical features of epileptic seizures in WHS and the therapeutic efficacy of oral antiseizure medications (ASMs). Patients with WHS who were treated for epilepsy at the Saitama Children's Medical Center under 5 years of age were included. WHS was diagnosed based on genetic tests and clinical symptoms. Medical records regarding the age of onset of epilepsy, seizure type, treatment of status epilepticus (SE), and effectiveness of ASMs were retrospectively reviewed...

DEPDC5 is an upstream repressor of the mechanistic target of rapamycin pathway via the GATOR-1 complex. Pathogenic variants causing loss of function typically result in familial focal epilepsy with variable foci. Neuroimaging may either be normal or show brain malformations. Lesional and nonlesional cases may be present within the same family. Here, we describe a parent-child dyad affected by a truncating DEPDC5 pathogenic variant (c.727C > T; p.Arg243*), analyze the epilepsy clinical course, and describe neuroimaging characteristics from a 3T brain magnetic resonance imaging...

BACKGROUND: Autosomal dominant mutations of the KCNQ2 gene can cause two epileptic disorders: benign familial neonatal seizures (BFNS) and developmental epileptic encephalopathy (DEE). This systematic review aims to identify the best reported therapy for these patients, relating to phenotype, neurodevelopmental outcome, and an eventual correlation between phenotype and genotype. METHODS: We searched on PubMed using the search terms " KCNQ2 " AND "therapy" and " KCNQ2 " AND "treatment"; we found 304 articles...

Methadone is used as a substitute for illicit opioids during pregnancy. However, the real effect of this molecule on visual and neurodevelopmental outcomes of the children exposed is not fully understood, since studies considered subjects born to polydrug-dependent mothers and followed for few months/years.We report the long-term outcomes of two infants with congenital nystagmus solely exposed to methadone in utero. Neurological and neurovisual evaluations were performed every year from the first year of life to 11 years of age...

Childhood apraxia of speech (CAS) is a pediatric motor speech disorder. The genetic etiology of this complex neurological condition is not yet well understood, although some genes have been linked to it.We describe the case of a boy with a severe and persistent motor speech disorder, consistent with CAS, and a coexisting language impairment.Whole exome sequencing in our case revealed a de novo and splicing mutation in the CSMD1 gene.

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