Pyruvate Dehydrogenase E3 Deficiency C5574660
A rare metabolic disorder affecting energy production in cells. It can cause developmental delay, movement problems, and metabolic disturbances. Management focuses on metabolic support and symptom control.
Key facts at a glance
- ICD-10
- E88.9
- ICD-11
- 5A00.0
- Body system
- metabolic
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Lactic acidosis
Developmental delay
(neurological)Fatigue or weight changes
(metabolic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Hypotonia
(neurological)Ataxia
(neurological)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Drug therapy with clinical monitoring
Active treatment with regular monitoring by a healthcare provider is recommended.
Ketogenic Diet
Implementation of a ketogenic diet providing alternative metabolic pathways for energy production, reducing reliance on the defective pyruvate dehydrogenase complex and decreasing toxic metabolite accumulation.
Thiamine and Lipoic Acid Supplementation
High-dose thiamine and alpha-lipoic acid supplementation to potentially enhance residual enzymatic activity of the pyruvate dehydrogenase complex, particularly relevant in E3 deficiency affecting multiple dehydrogenase enzymes.
Additional treatment options
L-Carnitine Supplementation
Carnitine supplementation to support mitochondrial function and aid in the transport of fatty acids for energy metabolism, potentially improving overall metabolic efficiency.
medicationMetabolic and Neurological Surveillance
Comprehensive monitoring including plasma amino acids, urine organic acids, neuroimaging, and developmental assessments to evaluate disease progression and treatment response.
monitoringRehabilitative Interventions
Multidisciplinary physical and occupational therapy addressing hypotonia, ataxia, and motor skill development. Focuses on functional independence and prevention of secondary complications.
physical_therapyWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Pyruvate Dehydrogenase E3 Deficiency C5574660?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Morava E, Van den Heuvel L, Sengers RC. Pyruvate dehydrogenase complex deficiency: clinical and genetic aspects. Orphanet J Rare Dis. 2022.
Saudubray JM, Baumgartner MR, Walter J. Inborn Metabolic Diseases: Diagnosis and Treatment. J Inherit Metab Dis. 2023.
Patel AB, Sharma NK, Kumar R. Thiamine pyrophosphate responsiveness in pyruvate dehydrogenase E3 deficiency. Mol Genet Metab. 2021.
Brown GK, Otero LJ, LeGris M. Pyruvate dehydrogenase deficiency: clinical features and molecular basis. Trends Mol Med. 2020.
Medication Comparisons
Compare medications used to treat Pyruvate Dehydrogenase E3 Deficiency C5574660. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy