4.7 Review

Acute Encephalopathy Caused by Inherited Metabolic Diseases

Journal

JOURNAL OF CLINICAL MEDICINE
Volume 12, Issue 11, Pages -

Publisher

MDPI
DOI: 10.3390/jcm12113797

Keywords

acute encephalopathy; inherited metabolic disease; urea cycle disorders; amino acid metabolism disorders; fatty acid metabolism disorders; mitochondrial diseases; homocystinuria; liver transplantation; enoyl-CoA hydratase short-chain 1

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Acute encephalopathy is a severe medical condition that primarily affects previously healthy children and young adults, often resulting in death or severe neurological consequences. Inherited metabolic diseases, such as urea cycle disorders, amino acid metabolism disorders, and organic acid metabolism disorders, can cause acute encephalopathy. Early metabolic/metabolic screening tests are crucial for diagnosing these diseases. Prompt recognition, appropriate testing, and parallel treatment are essential in managing acute encephalopathy caused by inherited metabolic diseases.
Acute encephalopathy is a critical medical condition that typically affects previously healthy children and young adults and often results in death or severe neurological sequelae. Inherited metabolic diseases that can cause acute encephalopathy include urea cycle disorders, amino acid metabolism disorders, organic acid metabolism disorders, fatty acid metabolism disorders, mutations in the thiamine-transporter gene, and mitochondrial diseases. Although each inherited metabolic disease is rare, its overall incidence is reported as 1 in 800-2500 patients. This narrative review presents the common inherited metabolic diseases that cause acute encephalopathy. Since diagnosing inherited metabolic diseases requires specific testing, early metabolic/metanolic screening tests are required when an inherited metabolic disease is suspected. We also describe the symptoms and history associated with suspected inherited metabolic diseases, the various tests that should be conducted in case of suspicion, and treatment according to the disease group. Recent advancements made in the understanding of some of the inherited metabolic diseases that cause acute encephalopathy are also highlighted. Acute encephalopathy due to inherited metabolic diseases can have numerous different causes, and recognition of the possibility of an inherited metabolic disease as early as possible, obtaining appropriate specimens, and proceeding with testing and treatment in parallel are crucial in the management of these diseases.

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