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Peripheral neuropathies of infancy.
Jo M Wilmshurst1, John D Pollard, Garth Nicholson
1The Children's Hospital at Westmead, PO Box 3515, Parramatta, NSW 2124, Australia. wilmshur@ich.uct.ac.za
Developmental Medicine and Child Neurology
|June 6, 2003
Summary
Peripheral neuropathy is a notable diagnosis in infants, affecting 50 babies under one year old. Early identification of these nerve disorders is crucial for timely management and improved patient outcomes.
Area of Science:
- Neurology
- Pediatrics
- Genetics
Background:
- Peripheral neuropathies are diagnosed in children, with a significant subset presenting in infancy.
- Nerve biopsy is a key diagnostic tool for confirming peripheral neuropathies in pediatric patients.
Purpose of the Study:
- To investigate the incidence and characteristics of peripheral neuropathies in infants.
- To highlight the importance of early diagnosis and management of infantile neuropathies.
Main Methods:
- Retrospective analysis of 260 patients (<17 years) with peripheral neuropathies confirmed by nerve biopsy over 33 years.
- Specific focus on 50 infants (<1 year) with detailed classification of neuropathy types (demyelinating, axonal, hereditary motor sensory neuropathy).
- Molecular genetic studies were performed for patients with suspected hereditary motor sensory neuropathy.
Main Results:
- Peripheral neuropathy was diagnosed in 50 infants under one year of age.
- Common types included demyelinating (24) and axonal (21) neuropathies.
- Hereditary motor sensory neuropathy was identified in 19 infants, with 13 confirmed to have myelin protein mutations.
Conclusions:
- Peripheral neuropathy is not uncommon in infancy, presenting with diverse etiologies.
- Early diagnosis through clinical evaluation and nerve biopsy is essential.
- Genetic confirmation aids in understanding hereditary forms and guides patient management.