isoleucine/kräkning

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Mitochondrial 2-methylacetoacetyl-CoA thiolase deficiency: an inborn error of isoleucine and ketone body metabolism.

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A review is presented of 22 published cases of verified or probable mitochondrial 2-methylacetoacetyl-CoA thiolase deficiency, a disorder of isoleucine and ketone body metabolism. The clinical expression, characterized by ketoacidosis, vomiting and lethargy, is highly variable. Typical age of onset

Enantioselective analysis of ketone bodies in patients with beta-ketothiolase deficiency, medium-chain acyl coenzyme A dehydrogenase deficiency and ketonemic vomiting.

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Enantioselective multidimensional gas chromatography-mass spectrometry (enantio-MDGC-MS) is a valuable tool for the differentiation of enantiomers from complex matrices when present in trace amounts. The separation of chiral compounds provides further information on the diagnosis of diseases, and on

[Infant boy with propionic acidemia: anesthetic implications].

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A 12-month-old boy diagnosed with propionic acidemia underwent gastrostomy. The patient's general state was good and he was alert, but with reduced muscular tone (unstable when seated with support, floppy head) and with dystonic movements in all extremities. An electroencephalogram showed slightly

[Methylmalonic aciduria. Classification, diagnosis and therapy (author's transl)].

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Congenital methylmalonic aciduria (MMA) is a metabolic disorder inherited by an autosomal recessive trait. The metabolic block is located in the catabolic pathway of propionyl-CoA to succinyl-CoA. Biochemically, four enzymatic defects have been recognized, i.e.: 1. Methylmalonyl-CoA racemase. 2.

[Diagnosis and follow up of 23 children with organic acidurias].

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BACKGROUND Propionic aciduria (PA) and Methymalonic aciduria (MMA) result from an inherited abnormality of the enzymes propionyl CoA carboxylase and methylmalonyl CoA mutase respectively. This produces marked increases in the amino acids methionine, threonine, valine and isoleucine (MTVI). Their

Organic acid disorders.

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Organic acids (OAs) are intermediary products of several amino acid catabolism or degradation via multiple biochemical pathways for energy production. Vitamins or co-factors are often quintessential elements in such degradation pathways and OA metabolism. OAs that result from enzyme defects in these

Recurrent Encephalopathy During Febrile Illnesses in a 6-Year-Old Boy.

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Acute onset of encephalopathy is often due to infections or intoxications, but a high index of suspicion should exist for metabolic or autoimmune causes particularly in recurrent cases. A 6-year-old previously healthy Caucasian male presented with confusion and somnolence. He had several days of

A Novel Mutation of Beta-ketothiolase Deficiency: The First Report from Iran and Review of Literature.

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Beta-ketothiolase deficiency is a rare autosomal recessive disorder characterized by an inborn error of isoleucine catabolism and affecting ketone body metabolism. Clinical features characterized by intermittent keto acidotic episodes are associated with clinical signs and symptoms of toxic

Maple syrup urine disease in Thai infants.

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Maple syrup urine disease (MSUD) is a rare inborn error of metabolism, caused by a deficiency in activity of the branched chain alpha-keto acid dehydrogenase impairing the degradation of the branched-chain amino acids (leucine, isoleucine and valine). Classic MSUD usually manifests in the neonatal

NMR-based urinalysis for beta-ketothiolase deficiency.

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BACKGROUND Beta-ketothiolase deficiency is a rare inborn errors of metabolism (IEM) affecting the catabolism of isoleucine, characterized by severe ketoacidosis in children of 6 to 24months old. A prompt diagnosis is of paramount importance as the metabolic decompensation can be effectively reverted

Beta-ketothiolase deficiency: An unusual cause of recurrent ketoacidosis.

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Kılıç-Yıldırım G, Durmuş-Aydoğdu S, Ceylaner S, Sass JO. Beta-ketothiolase deficiency: An unusual cause of recurrent ketoacidosis. Turk J Pediatr 2017; 59: 471-474. Beta-ketothiolase deficiency (mitochondrial acetoacetyl-CoA thiolase, MAT or T2 deficiency) is a rare autosomal recessive disorder of

Inhibition of energy metabolism by 2-methylacetoacetate and 2-methyl-3-hydroxybutyrate in cerebral cortex of developing rats.

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Mitochondrial beta-ketothiolase and 2-methyl-3-hydroxybutyryl-CoA dehydrogenase (MHBD) deficiencies are inherited neurometabolic disorders affecting isoleucine catabolism. Biochemically, beta-ketothiolase deficiency is characterized by intermittent ketoacidosis and urinary excretion of

Treatment of carbamyl phosphate synthetase deficiency with keto analogues of essential amino acids.

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Congenital carbamyl phosphate synthetase deficiency was diagnosed by liver biopsy in a 13-year-old girl, alpha-Keto analogues of essential amino acids have been shown to spare nitrogen by reducing urea formation; hence, they were given to this patient in the hope of reducing hyperammonemia and

Beta-ketothiolase deficiency brought with lethargy: case report.

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Beta-ketothiolase deficiency is a rare autosomal recessive disorder of isoleucine and ketone body metabolism. This disorder is clinically characterized by ketoacidotic attacks. Ketoacidosis, vomiting, and dehydration, lethargy and coma may be seen during attacks. A 9-month-old girl was admitted to

Multiple acyl-Co A dehydrogenation deficiency (MADD) in a boy with nonketotic hypoglycemia, hepatomegaly, muscle hypotonia and cardiomyopathy. Detection of N-isovalerylglutamic acid and its monoamide.

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A boy, aged 7 months, of consanguineous parents presented with an acute onset of vomiting, fever, nonketotic hypoglycemia and acidosis and died from cardiac arrest after ventricular fibrillation. He had hepatomegaly and echocardiographically a non-obstructive cardiomyopathy. Autopsy was not allowed.

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