classic maple syrup urine disease

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Disease Overview

Classic maple syrup urine disease (classic MSUD) is the most severe and probably common form of MSUD characterized by a maple syrup odor in the cerumen at birth, poor feeding, lethargy and focal dystonia, followed by progressive encephalopathy and central respiratory failure if untreated.


Synonyms

  • classic BCKD deficiency
  • classic MSUD
  • classic branched-chain 2-ketoacid dehydrogenase deficiency
  • classic branched-chain alpha-ketoacid dehydrogenase deficiency
  • classic branched-chain ketoaciduria
  • classic maple syrup urine disease

GARD Disease Summary

The Genetic and Rare Diseases Information Center (GARD) has information and resources for patients, caregivers, and families that may be helpful before and after diagnosis of this condition. GARD is a program of the National Center for Advancing Translational Sciences (NCATS), part of the National Institutes of Health (NIH).

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Orphanet

Orphanet has a summary about this condition that may include information on the diagnosis, care, and treatment as well as other resources. Some of the information and resources are available in languages other than English. The summary may include medical terms, so we encourage you to share and discuss this information with your doctor. Orphanet is the French National Institute for Health and Medical Research and the Health Programme of the European Union.

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