3 hydroxyisobutyric aciduria: Difference between revisions
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{{Short description|A rare metabolic disorder}} | {{Short description|A rare metabolic disorder}} | ||
{{Medical | {{Infobox medical condition | ||
| name = 3-Hydroxyisobutyric aciduria | |||
| image = [[File:3-Hydroxyisobutyric_acid.png]] | |||
| caption = Structure of 3-Hydroxyisobutyric acid | |||
| synonyms = 3-HIBA | |||
| field = [[Medical genetics]] | |||
| symptoms = [[Developmental delay]], [[hypotonia]], [[metabolic acidosis]] | |||
| onset = [[Infancy]] | |||
| duration = [[Chronic]] | |||
| causes = [[Genetic mutation]] | |||
| risks = [[Family history]] | |||
| diagnosis = [[Urine organic acid analysis]], [[genetic testing]] | |||
| differential = [[Other organic acidurias]] | |||
| treatment = [[Dietary management]], [[supplementation]] | |||
| prognosis = [[Variable]] | |||
| frequency = [[Rare disease]] | |||
}} | |||
'''3-Hydroxyisobutyric aciduria''' is a rare [[metabolic disorder]] characterized by the accumulation of [[3-hydroxyisobutyric acid]] in the body. This condition is caused by a deficiency in the enzyme responsible for the metabolism of [[valine]], an essential [[amino acid]]. | '''3-Hydroxyisobutyric aciduria''' is a rare [[metabolic disorder]] characterized by the accumulation of [[3-hydroxyisobutyric acid]] in the body. This condition is caused by a deficiency in the enzyme responsible for the metabolism of [[valine]], an essential [[amino acid]]. | ||
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* [[Valine]] | * [[Valine]] | ||
* [[Organic acidemia]] | * [[Organic acidemia]] | ||
[[Category:Metabolic disorders]] | [[Category:Metabolic disorders]] | ||
[[Category:Rare diseases]] | [[Category:Rare diseases]] | ||
{{rarediseases}} | |||
Latest revision as of 04:17, 25 March 2025
A rare metabolic disorder
| 3-Hydroxyisobutyric aciduria | |
|---|---|
| |
| Synonyms | 3-HIBA |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Developmental delay, hypotonia, metabolic acidosis |
| Complications | N/A |
| Onset | Infancy |
| Duration | Chronic |
| Types | N/A |
| Causes | Genetic mutation |
| Risks | Family history |
| Diagnosis | Urine organic acid analysis, genetic testing |
| Differential diagnosis | Other organic acidurias |
| Prevention | N/A |
| Treatment | Dietary management, supplementation |
| Medication | N/A |
| Prognosis | Variable |
| Frequency | Rare disease |
| Deaths | N/A |
3-Hydroxyisobutyric aciduria is a rare metabolic disorder characterized by the accumulation of 3-hydroxyisobutyric acid in the body. This condition is caused by a deficiency in the enzyme responsible for the metabolism of valine, an essential amino acid.
Pathophysiology[edit]
3-Hydroxyisobutyric aciduria results from a defect in the valine catabolic pathway. Normally, valine is broken down into several intermediates, one of which is 3-hydroxyisobutyric acid. In individuals with this disorder, the enzyme responsible for further metabolizing 3-hydroxyisobutyric acid is deficient or absent, leading to its accumulation in the body.
Clinical Presentation[edit]
Patients with 3-hydroxyisobutyric aciduria may present with a variety of symptoms, which can include:
The severity and range of symptoms can vary widely among affected individuals.
Diagnosis[edit]
The diagnosis of 3-hydroxyisobutyric aciduria is typically made through urine organic acid analysis, which reveals elevated levels of 3-hydroxyisobutyric acid. Genetic testing can confirm the diagnosis by identifying mutations in the gene responsible for the enzyme deficiency.
Treatment[edit]
There is currently no cure for 3-hydroxyisobutyric aciduria. Treatment is primarily supportive and may include:
- Dietary management to limit valine intake
- Physical therapy to address developmental delays and hypotonia
- Anticonvulsant medications to control seizures
Prognosis[edit]
The prognosis for individuals with 3-hydroxyisobutyric aciduria varies depending on the severity of the enzyme deficiency and the effectiveness of supportive treatments. Early intervention and management can improve outcomes for some patients.
Related pages[edit]
NIH genetic and rare disease info[edit]
3 hydroxyisobutyric aciduria is a rare disease.
| Rare and genetic diseases | ||||||
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Rare diseases - 3 hydroxyisobutyric aciduria
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