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Hyperammonemia, or high ammonia levels, is a metabolic disturbance characterised by an excess of ammonia in the blood. Severe hyperammonemia is a dangerous condition that may lead to brain injury and death. It may be primary or secondary. Ammonia is a substance that contains nitrogen. It is a product of the catabolism of protein.
Citrin deficiency has four primary phenotypes that are age dependent. These include neonatal intrahepatic cholestasis caused by citrin deficiency (NICCD) that affects infants, the adaptation or silent period, failure to thrive and dyslipidemia caused by citrin deficiency (FTTDCD) and adolescent and adult citrin deficiency (AACD) (formerly termed CTLN2), which represents the most severe form of ...
Ornithine transcarbamylase deficiency also known as OTC deficiency is the most common urea cycle disorder in humans. Ornithine transcarbamylase, the defective enzyme in this disorder, is the final enzyme in the proximal portion of the urea cycle, responsible for converting carbamoyl phosphate and ornithine into citrulline.
Ornithine translocase deficiency, also called hyperornithinemia-hyperammonemia-homocitrullinuria (HHH) syndrome, [1] is a rare autosomal recessive [2] urea cycle disorder affecting the enzyme ornithine translocase, which causes ammonia to accumulate in the blood, a condition called hyperammonemia.
Protein toxicity is the effect of the buildup of protein metabolic waste compounds, like urea, uric acid, ammonia, and creatinine.Protein toxicity has many causes, including urea cycle disorders, genetic mutations, excessive protein intake, and insufficient kidney function, such as chronic kidney disease and acute kidney injury.
3-Hydroxy-3-methylglutaryl-CoA lyase deficiency presents in various ways, from severe neonatal symptoms to adult symptoms. Symptoms include frequent vomiting, convulsions, and decreased alertness. Laboratory results include higher plasma/serum transaminase activity, hyperammonemia, acidosis, hypoglycemia, and an increased anion gap.
What Are the Symptoms of RSV in Older Adults? Symptoms of RSV can range from mild to severe. Dr. Elizalde says that mild RSV symptoms can include a runny nose, sore throat, coughing, sneezing and ...
The symptoms of a urea cycle disorder are often not seen until the child is at home and may not be recognized in a timely manner by the family and primary care physician. Symptoms in young children with hyperammonemia are non-specific: not willing to eat, problems with breathing, body temperature, seizures, unusual body movements (twitches) and ...