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Long-chain 3-hydroxyacyl-CoA dehydrogenase deficiency: a case example in developmental disabilities
1Boling Center for Developmental Disabilities, College of Nursing, University of Tennessee, Memphis 38163, USA.
Insights
Long-chain 3-hydroxyacyl-CoA dehydrogenase (LCHAD) deficiency is a rare genetic disorder affecting fatty acid metabolism. This case highlights its complex presentation and developmental impacts, emphasizing the need for comprehensive family support.
Area of Science:
- Biochemistry
- Genetics
- Pediatrics
Background:
- Long-chain 3-hydroxyacyl-CoA dehydrogenase (LCHAD) deficiency is an autosomal recessive disorder impacting fatty acid metabolism.
- The LCHAD enzyme is crucial for normal liver function in processing fatty acids.
Observation:
- LCHAD deficiency presents with varied clinical manifestations, including severe hypoglycemia, sudden infant death, and neurosensory deficits.
- Neurosensory deficits encompass seizure disorders, intellectual disability, neuropathy, and retinopathy.
- The disorder is often triggered by infection and dehydration.
Findings:
- A case study of a preschooler illustrates the intricate nature of LCHAD deficiency and its associated developmental disabilities.
- The underlying defect involves insufficient LCHAD enzyme activity in the liver.
Implications:
- Highlights the complexity of managing LCHAD deficiency and its long-term developmental consequences.
- Underscores the importance of specialized nursing care, educational strategies, and research for affected families.
- Emphasizes the need for tailored support systems for families navigating complex developmental disabilities.
Abstract:
Long-chain 3-hydroxyacyl-CoA dehydrogenase (LCHAD) deficiency is a rare autosomal recessive disorder with varied expression, from severe hypoglycemia and possible sudden infant death to neurosensory deficits secondary to the acute onset. The neurosensory deficits can include clinical features such as seizure disorders, mental retardation, neuropathy, and retinopathy. The basic defect is the lack of the LCHAD enzyme in the liver, which is necessary for fatty acid metabolism. The condition is usually precipitated by infection and dehydration. A case example of a preschooler with LCHAD deficiency is presented to show the complexity of this disorder and resultant developmental disabilities. Implications for nursing practice, education, and research are discussed in relation to the needs of families with complex, developmental disabilities.