Pyruvate decarboxylase deficiency

Title

Other Names:

Ataxia, intermittent, with pyruvate dehydrogenase, or decarboxylase, deficiency; Ataxia with lactic acidosis 1

Symptoms Symptoms

This table lists symptoms that people with this disease may have. For most diseases, symptoms will vary from person to person. People with the same disease may not have all the symptoms listed. This information comes from a database called the Human Phenotype Ontology (HPO) . The HPO collects information on symptoms that have been described in medical resources. The HPO is updated regularly. Use the HPO ID to access more in-depth information about a symptom.

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Medical Terms	Other Names	Learn More: HPO ID
1%-4% of people have these symptoms
Abnormal facial shape	Unusual facial appearance	0001999
Percent of people who have these symptoms is not available through HPO
Abnormality of eye movement	Abnormal eye movement Abnormal eye movements Eye movement abnormalities Eye movement issue [ more ]	0000496
Agenesis of corpus callosum		0001274
Anteverted nares	Nasal tip, upturned Upturned nasal tip Upturned nose Upturned nostrils [ more ]	0000463
Apneic episodes precipitated by illness, fatigue, stress		0002872
Basal ganglia cysts		0006799
Cerebral atrophy	Degeneration of cerebrum	0002059
Choreoathetosis		0001266
Chronic lactic acidosis		0004925
Decreased activity of the pyruvate dehydrogenase complex		0002928
Dystonia		0001332
Episodic ataxia		0002131
Flared nostrils		0000454
Frontal bossing		0002007
Generalized hypotonia	Decreased muscle tone Low muscle tone [ more ]	0001290
Global developmental delay		0001263
Hyperalaninemia	Increased blood alanine Increased serum alanine [ more ]	0003348
Increased CSF lactate		0002490
Increased serum lactate		0002151
Infantile onset	Onset in first year of life Onset in infancy [ more ]	0003593
Intellectual disability	Mental deficiency Mental retardation Mental retardation, nonspecific Mental-retardation [ more ]	0001249
Lethargy		0001254
Long philtrum		0000343
Microcephaly	Abnormally small skull Decreased circumference of cranium Decreased size of skull Reduced head circumference Small head circumference [ more ]	0000252
Muscular hypotonia	Low or weak muscle tone	0001252
Psychomotor retardation		0025356
Ptosis	Drooping upper eyelid	0000508
Seizure		0001250
Severe lactic acidosis		0004900
Small for gestational age	Birth weight less than 10th percentile Low birth weight [ more ]	0001518
Ventriculomegaly		0002119
Wide nasal bridge	Broad nasal bridge Broad nasal root Broadened nasal bridge Increased breadth of bridge of nose Increased breadth of nasal bridge Increased width of bridge of nose Increased width of nasal bridge Nasal bridge broad Wide bridge of nose Widened nasal bridge [ more ]	0000431
X-linked dominant inheritance		0001423

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Do you have more information about symptoms of this disease? We want to hear from you.

Last updated: 2/1/2021

Do you have updated information on this disease? We want to hear from you.

Find a Specialist Find a Specialist

If you need medical advice, you can look for doctors or other healthcare professionals who have experience with this disease. You may find these specialists through advocacy organizations, clinical trials, or articles published in medical journals. You may also want to contact a university or tertiary medical center in your area, because these centers tend to see more complex cases and have the latest technology and treatments.

If you can’t find a specialist in your local area, try contacting national or international specialists. They may be able to refer you to someone they know through conferences or research efforts. Some specialists may be willing to consult with you or your local doctors over the phone or by email if you can't travel to them for care.

You can find more tips in our guide, How to Find a Disease Specialist. We also encourage you to explore the rest of this page to find resources that can help you find specialists.

Healthcare Resources

To find a medical professional who specializes in genetics, you can ask your doctor for a referral or you can search for one yourself. Online directories are provided by the American College of Medical Genetics and the National Society of Genetic Counselors. If you need additional help, contact a GARD Information Specialist. You can also learn more about genetic consultations from MedlinePlus Genetics.

Learn More Learn More

These resources provide more information about this condition or associated symptoms. The in-depth resources contain medical and scientific language that may be hard to understand. You may want to review these resources with a medical professional.

In-Depth Information

The Monarch Initiative brings together data about this condition from humans and other species to help physicians and biomedical researchers. Monarch’s tools are designed to make it easier to compare the signs and symptoms (phenotypes) of different diseases and discover common features. This initiative is a collaboration between several academic institutions across the world and is funded by the National Institutes of Health. Visit the website to explore the biology of this condition.
Online Mendelian Inheritance in Man (OMIM) is a catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine.
Orphanet is a European reference portal for information on rare diseases and orphan drugs. Access to this database is free of charge.
PubMed is a searchable database of medical literature and lists journal articles that discuss Pyruvate decarboxylase deficiency. Click on the link to view a sample search on this topic.

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