Classical Maple Syrup Urine Disease

It is feasible that the primary title of the report Syrup Pee Disease is not the name you anticipated. Please check the basic synonyms listing to find the alternative name(s) and problem neighborhood(s) covered by this report.


  • BCKD Shortage
  • Branched Chain Alpha-Ketoacid Dehydrogenase Shortage
  • Branched Chain Ketonuria I
  • Classical Syrup Urine Condition
  • MSUD

Condition Class

  • Periodic Syrup Pee Condition
  • Intermediate Maple Syrup Urine Illness
  • Thiamine-Responsive Maple Syrup Pee Disease
  • Traditional Syrup Urine Condition

General Discussion
Maple syrup urine condition (MSUD) is an unusual congenital disease defined by shortage of specific enzymes (branched-chain alpha-keto acid dehydrogenase complex) called for to malfunction (metabolize) certain amino acids in the body. Since these amino acids are not metabolized, they, together with their different results, abnormally build up in the cells and also liquids of the physical body. Such build-up could create a selection of signs including lethargy, irritation, inadequate eating, unusual motions and a characteristic odor of maple syrup in the earwax (cerumen), sweat as well as urine of damaged individuals. Additionally, if untreated different neurological issues consisting of seizures, coma as well as mental retardation may occur. Failure to without delay find and deal with MSUD can bring about life-threatening problems. However, the problem can be effectively handled through a specialized diet regimen. Despite treatment affected people remain in danger for developing episodes of acute ailment (metabolic situation) commonly triggered by infection, injury, failing to take (fasting) or mental stress. Throughout these episodes there is a rapid, unexpected spike in amino acid levels requiring immediate medical assistance.

A minimum of four subtypes of MSUD have actually been identified in the clinical literature. Some scientists include a fifth subtype, although other researchers consider this a different unique condition. The numerous subtypes of MSUD have different levels of residual enzyme task, different severity, and different ages of start. All forms are inherited as autosomal recessive traits.

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