Methylmalonic acidemia digital illustration

Methylmalonic acidemia Save


ICD-10 code: E71.120

Disease category: E71.12: Disorders of propionate metabolism

Methylmalonic Acidemia: Causes, Symptoms, and Management

Methylmalonic acidemia (MMA) is a rare genetic disorder characterized by the body's inability to break down certain proteins and fats properly. This metabolic disorder is caused by a deficiency of the enzyme methylmalonyl-CoA mutase, leading to the buildup of toxic substances such as methylmalonic acid in the blood and tissues.

Although MMA is a genetic condition, it may not be apparent at birth. Symptoms typically appear during infancy or early childhood and can vary widely in severity. Some common signs of methylmalonic acidemia include poor feeding, vomiting, lethargy, developmental delays, failure to thrive, and an enlarged liver.

To diagnose MMA, a healthcare professional may conduct various tests, including blood and urine tests, genetic testing, and a physical examination. Early detection is crucial for prompt management and treatment.

While there is no cure for MMA, the condition can be managed through dietary modifications and careful monitoring. A specialized diet low in protein and high in specific nutrients, such as vitamin B12 and carnitine, is often prescribed to help minimize symptoms and prevent complications.

  1. Dietary Modifications: A low-protein diet helps reduce the production of methylmalonic acid. Foods rich in protein, such as meat, fish, and dairy products, need to be limited or avoided. Instead, individuals with MMA should consume foods low in protein, such as fruits, vegetables, and certain grains.
  2. Supplementation: Individuals with MMA may require vitamin B12 and carnitine supplementation to support their metabolic processes and prevent deficiencies.
  3. Regular Monitoring: Close monitoring of blood and urine methylmalonic acid levels is necessary to assess the effectiveness of dietary modifications and manage the condition effectively.

It is important for individuals with MMA to work closely with a team of healthcare professionals, including metabolic specialists, dietitians, and genetic counselors. These professionals can provide guidance, support, and ongoing monitoring to ensure the best possible management of the condition.

In conclusion, methylmalonic acidemia is a rare genetic disorder characterized by the body's inability to break down certain proteins and fats. While there is no cure, the condition can be managed through dietary modifications, supplementation, and regular monitoring. Early detection and intervention are essential for optimizing outcomes and improving the quality of life for individuals with MMA.

Treatment of Methylmalonic acidemia:

Treatment Options for Methylmalonic Acidemia: Managing a Rare Metabolic Disorder

Methylmalonic acidemia (MMA) is a rare genetic metabolic disorder that affects the body's ability to break down certain proteins and fats. It leads to the accumulation of toxic substances, causing a range of symptoms and complications. While there is no cure for MMA, there are several treatment options...

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