Question 1

What is D,L-2-hydroxyglutaric aciduria?

Accepted Answer

D,L-2-hydroxyglutaric aciduria is a rare metabolic disorder that is present from birth. It affects how the body processes certain chemicals, leading to problems with brain development and muscle control.

People with this condition often experience severe brain-related issues such as epileptic encephalopathy (a type of seizure disorder), respiratory difficulties, and significant delays in development. They may also have distinct facial features and abnormalities seen on brain imaging. This summary is based on current information from trusted sources.

Question 2

What are the symptoms of D,L-2-hydroxyglutaric aciduria?

Accepted Answer

Common signs of D,L-2-hydroxyglutaric aciduria include severe seizures, episodes of apnea (breathing difficulties), significant developmental delay or absent psychomotor development, marked low muscle tone (hypotonia), feeding challenges, poor growth (failure to thrive), and a lack of visual contact. There may also be abnormal findings in brain imaging, such as cerebral atrophy and changes in the shape or size of the brain structures.

Question 3

What causes D,L-2-hydroxyglutaric aciduria?

Accepted Answer

This condition is an inborn error of metabolism, meaning it is present at birth due to changes in the body’s metabolic processes. A known gene associated with this condition is SLC25A1. Variations in this gene affect how cells process energy, which can lead to the signs and symptoms observed. Associated genes include SLC25A1.

Question 4

How is D,L-2-hydroxyglutaric aciduria inherited?

Accepted Answer

D,L-2-hydroxyglutaric aciduria follows an autosomal recessive inheritance pattern. This means a child must inherit a copy of the altered gene from both parents to develop the condition. Parents who each carry one copy typically do not show symptoms.

Question 5

How rare is D,L-2-hydroxyglutaric aciduria?

Accepted Answer

D,L-2-hydroxyglutaric aciduria is classified as very rare. The estimated prevalence is approximately <1 in 1,000,000. Because rare disease data can be limited, actual numbers may differ from published estimates.

Question 6

How is D,L-2-hydroxyglutaric aciduria diagnosed?

Accepted Answer

Diagnosis of D,L-2-hydroxyglutaric aciduria is based on a combination of clinical findings and laboratory tests. Elevated levels of lactate in the blood and cerebrospinal fluid, unusual urinary Krebs cycle metabolites, and characteristic findings on brain imaging help medical professionals identify this condition.

Question 7

Are there treatments for D,L-2-hydroxyglutaric aciduria?

Accepted Answer

Information about treatment is currently limited for this condition.

Question 8

What complications can arise from D,L-2-hydroxyglutaric aciduria?

Accepted Answer

D,L-2-hydroxyglutaric aciduria can lead to severe brain-related issues, including epileptic encephalopathy, which is a type of seizure disorder. Individuals may also face respiratory difficulties and significant developmental delays. These complications can greatly affect daily life and require careful management.

Question 9

How does D,L-2-hydroxyglutaric aciduria affect daily life for patients?

Accepted Answer

Living with D,L-2-hydroxyglutaric aciduria can be challenging due to severe seizures, breathing difficulties, and developmental delays. Patients may need special care and support for feeding and growth issues, as well as therapy to help with muscle control. Families often have to adapt their daily routines to meet these needs.

Question 10

What is the prognosis for someone with D,L-2-hydroxyglutaric aciduria?

Accepted Answer

Currently, information about the prognosis for individuals with D,L-2-hydroxyglutaric aciduria is limited. The condition can lead to significant developmental delays and complications, which may affect overall life expectancy. Ongoing research may provide more insights into long-term outcomes.

Question 11

Are there specific specialists that should be involved in the care of someone with D,L-2-hydroxyglutaric aciduria?

Accepted Answer

Yes, individuals with D,L-2-hydroxyglutaric aciduria may benefit from a team of specialists. This can include neurologists for managing seizures and developmental issues, as well as dietitians for addressing feeding challenges. A multidisciplinary approach can help provide comprehensive care tailored to the patient's needs.

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D,L-2-hydroxyglutaric aciduria

Overview

Clinical Presentation

Genetic Landscape

Diagnosis

Prognosis

Research Landscape

Medical References

External Resources

OMIM

Orphanet

GARD

Questions for Your Care Team

Questions for Your Care Team

FAQ

Frequently Asked Questions

Explore clinical features

Recent Publications

D,L-2-hydroxyglutaric aciduria

Overview

Clinical Presentation

Genetic Landscape

Diagnosis

Prognosis

Research Landscape

Medical References

External Resources

OMIM

Orphanet

GARD

Related Diseases

Questions for Your Care Team

Questions for Your Care Team

FAQ

Frequently Asked Questions

What is D,L-2-hydroxyglutaric aciduria?

What are the symptoms of D,L-2-hydroxyglutaric aciduria?

What causes D,L-2-hydroxyglutaric aciduria?

How is D,L-2-hydroxyglutaric aciduria inherited?

How rare is D,L-2-hydroxyglutaric aciduria?

How is D,L-2-hydroxyglutaric aciduria diagnosed?

Are there treatments for D,L-2-hydroxyglutaric aciduria?

What complications can arise from D,L-2-hydroxyglutaric aciduria?

How does D,L-2-hydroxyglutaric aciduria affect daily life for patients?

What is the prognosis for someone with D,L-2-hydroxyglutaric aciduria?

Are there specific specialists that should be involved in the care of someone with D,L-2-hydroxyglutaric aciduria?

Explore clinical features

Recent Publications