3 hydroxyisobutyric aciduria: Difference between revisions

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{{Short description|A rare metabolic disorder}}
{{Short description|A rare metabolic disorder}}
{{Medical condition (new)}}
{{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]]
==Gallery==
<gallery>
File:3-Hydroxyisobutyric_acid.png|3-Hydroxyisobutyric acid
</gallery>
[[Category:Metabolic disorders]]
[[Category:Metabolic disorders]]
[[Category:Rare diseases]]
[[Category:Rare diseases]]
== 3_hydroxyisobutyric_aciduria ==
{{rarediseases}}
<gallery>
File:3-Hydroxyisobutyric_acid.png
</gallery>

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.