pyruvate dehydrogenase complex deficiency disease/seizures

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Gender-specific occurrence of West syndrome in patients with pyruvate dehydrogenase complex deficiency.

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Pyruvate dehydrogenase complex (PDHC) deficiency, a major cause of congenital lactic acidemia in children, usually is complicated by seizures, and, in some patients, West syndrome has occurred. We diagnosed 60 patients with PDHC deficiency, including equal numbers of affected males and females. We

Two patients with clinically distinct manifestation of pyruvate dehydrogenase deficiency due to mutations in PDHA1 gene.

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The most common cause of pyruvate dehydrogenase complex (PDHc) deficiency is the deficit of the E1α-subunit. The aim of this study was to describe distinct course of the disease in two boys with mutations in PDHA1 gene and illustrate the possible obstacles in measurement of PDHc activity. Clinical

Histological changes of muscle in a patient with pyruvate dehydrogenase deficiency.

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Histological changes of muscle from a 17-month-old boy with pyruvate dehydrogenase deficiency are presented. The patient had muscle hypotonia, mental retardation, seizures, lactic acidosis and hyperalaninemia. Deficient activity of the pyruvate dehydrogenase complex was found in his platelets (about

Mild phenotype in a male with pyruvate dehydrogenase complex deficiency associated with novel hemizygous in-frame duplication of the E1α subunit gene (PDHA1).

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Pyruvate dehydrogenase complex (PDHC) deficiency is an inborn error of metabolism that occurs most commonly due to mutations in the X-linked E1α subunit gene (PDHA1). We report a novel duplication of PDHA1 associated with a mild phenotype in a 15-year-old boy who was diagnosed with PDHC deficiency

Ketone Bodies as a Possible Adjuvant to Ketogenic Diet in PDHc Deficiency but Not in GLUT1 Deficiency.

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OBJECTIVE Ketogenic diet is the first line therapy for neurological symptoms associated with pyruvate dehydrogenase deficiency (PDHD) and intractable seizures in a number of disorders, including GLUT1 deficiency syndrome (GLUT1-DS). Because high-fat diet raises serious compliance issues, we

Four novel PDHA1 mutations in pyruvate dehydrogenase deficiency.

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The pyruvate dehydrogenase (PDH) complex is a mitochondrial multienzyme that catalyses the irreversible oxidative decarboxylation of pyruvate to acetyl-CoA. We report four novel PDHA1 mutations in patients with pyruvate dehydrogenase deficiency. Analysis of PDH activity showed decreased activity in

Therapeutic efficacy of a case of pyruvate dehydrogenase complex deficiency monitored by localized proton magnetic resonance spectroscopy.

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We experienced a case of pyruvate dehydrogenase deficiency observed by proton magnetic resonance spectroscopy (1H MRS). This case was diagnosed as West syndrome by characteristic convulsion and the periodic hypsarrhythmia pattern of EEG. At the age of 11 months, the first examination of 1H MRS

Case report of pyruvate dehydrogenase deficiency with unusual increase of fats during ketogenic diet treatment.

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This article describes a case of pyruvate dehydrogenase deficiency in a 3-year-old boy who presented generalized hypotonia, severe psychomotor development delay, and generalized and partial seizures and was refractory to antiepileptic drugs. After the diagnosis, the patient was put on a ketogenic

Pyruvate dehydrogenase deficiency: molecular basis for intrafamilial heterogeneity.

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Two half-brothers and their mother had symptomatic pyruvate dehydrogenase complex deficiency. The infants had severe congenital lactic acidosis, seizures, and apneic spells and died at the ages 3 and 4 months. The mother was less symptomatic with mental retardation, truncal ataxia, and dysarthria.

Reconciling diabetes management and the ketogenic diet in a child with pyruvate dehydrogenase deficiency.

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A 4-year-old girl with pyruvate dehydrogenase deficiency, static encephalopathy, and seizure disorder treated with the ketogenic diet presented in severe diabetic ketoacidosis. Pyruvate dehydrogenase deficiency is a rare genetic defect of mitochondrial energy metabolism that leads to inefficient

Brain metabolism modulates neuronal excitability in a mouse model of pyruvate dehydrogenase deficiency.

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Glucose is the ultimate substrate for most brain activities that use carbon, including synthesis of the neurotransmitters glutamate and γ-aminobutyric acid via mitochondrial tricarboxylic acid (TCA) cycle. Brain metabolism and neuronal excitability are thus interdependent. However, the principles

Pyruvate dehydrogenase deficiency and epilepsy.

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The pyruvate dehydrogenase complex (PDHc) is a mitochondrial matrix multienzyme complex that provides the link between glycolysis and the tricarboxylic acid (TCA) cycle by catalyzing the conversion of pyruvate into acetyl-CoA. PDHc deficiency is one of the commoner metabolic disorders of lactic

Cerebral palsy and pyruvate dehydrogenase deficiency: identification of two new mutations in the E1alpha gene.

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Pyruvate dehydrogenase (PDH) complex deficiency, a common cause of congenital lactic acidosis, is mostly due to mutations in the X-linked gene coding for the E1alpha subunit of the complex. We have studied two unrelated girls presenting a static encephalopathy with spastic quadriplegia, microcephaly

Summary of recommendations for the management of infantile seizures: Task Force Report for the ILAE Commission of Pediatrics.

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Evidence-based guidelines, or recommendations, for the management of infants with seizures are lacking. A Task Force of the Commission of Pediatrics developed a consensus document addressing diagnostic markers, management interventions, and outcome measures for infants with seizures. Levels of

Pyruvate dehydrogenase deficiency restricted to brain.

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We studied a child with a rapidly progressive neurologic disorder, with psychomotor retardation, hypotonia, seizures, and respiratory disturbances. Laboratory studied showed elevated levels of lactate and pyruvate in cerebrospinal fluid (CSF), without notable elevated levels in serum. In liver,

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