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How is Pyruvate Dehydrogenase Complex Deficiency diagnosed?

See how Pyruvate Dehydrogenase Complex Deficiency is diagnosed. Which specialists are essential to meet, what tests are needed and other useful information for the diagnosis of Pyruvate Dehydrogenase Complex Deficiency

Pyruvate Dehydrogenase Complex Deficiency diagnosis

Pyruvate Dehydrogenase Complex (PDC) deficiency is a rare genetic disorder that affects the body's ability to convert food into energy. It is caused by mutations in the genes responsible for producing the enzymes that make up the PDC. This complex plays a crucial role in the process of converting pyruvate, a product of glucose metabolism, into acetyl-CoA, which is necessary for the production of energy in the form of ATP.



Diagnosing PDC deficiency can be challenging due to its rarity and the wide range of symptoms it can present. However, there are several key steps involved in the diagnostic process:



1. Clinical Evaluation:

The first step in diagnosing PDC deficiency is a thorough clinical evaluation. The healthcare provider will review the patient's medical history, including any symptoms or developmental delays. They will also perform a physical examination to assess for any characteristic features associated with the disorder.



2. Biochemical Testing:

One of the primary diagnostic tests for PDC deficiency is a blood test to measure the levels of lactate and pyruvate. Elevated levels of lactate and pyruvate, along with an increased lactate-to-pyruvate ratio, can indicate impaired PDC function. Additional biochemical tests may be performed to assess the activity of the PDC enzymes directly.



3. Genetic Testing:

Genetic testing is crucial for confirming the diagnosis of PDC deficiency. It involves analyzing the patient's DNA to identify mutations in the genes responsible for PDC enzyme production. This can be done through various techniques, such as targeted gene sequencing or whole-exome sequencing. Genetic testing can also help determine the specific subtype of PDC deficiency, as there are multiple genes involved.



4. Imaging Studies:

Imaging studies, such as magnetic resonance imaging (MRI) or computed tomography (CT) scans, may be performed to evaluate the structure and function of the brain. PDC deficiency can lead to structural abnormalities or brain lesions, which can be visualized through these imaging techniques.



5. Enzyme Activity Assays:

Enzyme activity assays can be conducted to measure the activity of the PDC enzymes directly. This involves obtaining a tissue sample, typically from muscle or skin, and analyzing it in a laboratory setting. Reduced enzyme activity is indicative of PDC deficiency.



It is important to note that the diagnostic process may vary depending on the individual case and the availability of specialized testing facilities. Additionally, PDC deficiency can present with a wide range of symptoms and severity, making diagnosis challenging in some cases.



Early diagnosis of PDC deficiency is crucial for implementing appropriate management strategies, such as dietary modifications and supportive therapies. Therefore, if PDC deficiency is suspected based on clinical symptoms or biochemical abnormalities, it is essential to consult with a healthcare professional experienced in metabolic disorders for further evaluation and diagnosis.


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Stories of Pyruvate Dehydrogenase Complex Deficiency

PYRUVATE DEHYDROGENASE COMPLEX DEFICIENCY STORIES
Pyruvate Dehydrogenase Complex Deficiency stories
Our son Noah was severely affected. He passed from complications of PDCD & RSV in 2008. He was 8 months old.
Pyruvate Dehydrogenase Complex Deficiency stories
Lauren was born in 2002 and was diagnosed at about 2 years. She died in 2012 from respiratory acidosis resulting from progressive pdh deficiency.  She had a trachy, portacath and was Fed by ng tube. She was an inspirational brave and very happy litt...
Pyruvate Dehydrogenase Complex Deficiency stories
Kayleigh Grace was born in November of 2016 and diagnosed with pyruvate dehydrogenase complex deficiency at a few days old, by some miracle her geneticist caught on to her rising lactic acid levels by blood test. On top of that she had severe brain l...
Pyruvate Dehydrogenase Complex Deficiency stories
Grace passed away age 7 after fighting Pdh deficiency from birth  Her baby sister Hope was lost at 14.4 weeks pregnant due to having the condition aswell.  I am a carrier of PDH. 

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