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Hyperammonemic encephalopathy due to carbonic anhydrase VA deficiency
Disease definition
A rare, hereditary inborn error of metabolism characterized by an acute onset of encephalopathy in infancy or early childhood. Apart from these episodic acute events, the disorder shows a relatively benign course. Multiple metabolic abnormalities are present, including metabolic acidosis, respiratory alkalosis, hypoglycemia, increased serum lactate and alanine.
ORPHA:401948
Classification level: Disorder- Synonym(s):
- CA-VA deficiency
- Prevalence: <1 / 1 000 000
- Inheritance: Autosomal recessive
- Age of onset: Neonatal, Infancy, Childhood
- ICD-10: E74.8
- OMIM: 615751
- UMLS: C4706871
- MeSH: -
- GARD: -
- MedDRA: -
A summary on this disease is available in Deutsch (2019) Español (2019) Français (2019) Italiano (2019) Nederlands (2019)
Detailed information
General public
- Article for general public
- Czech (2011, pdf) - EIMD
- Deutsch (2011, pdf) - EIMD
- English (2011, pdf) - EIMD
- Español (2011, pdf) - EIMD
- Suomi (2011, pdf) - EIMD
- Français (2011, pdf) - EIMD
- Hrvatski (2011, pdf) - EIMD
- Italiano (2011, pdf) - EIMD
- Nederlands (2011, pdf) - EIMD
- Polski (2011, pdf) - EIMD
- Português (2011, pdf) - EIMD
- Svenska (2011, pdf) - EIMD
- Türkçe (2011, pdf) - EIMD
- Urdu (2011, pdf) - EIMD
Guidelines
- Clinical practice guidelines
- Deutsch (2012) - AWMF
- Français (2021) - PNDS
Disease review articles
- Clinical genetics review
- English (2021) - GeneReviews


Additional information
Further information on this disease
Patient-centred resources for this disease
Research activities on this disease
Specialised Social Services
The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.