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Published on: April 26, 2012
[Neurophysiological evaluation of children with peripheral neuropathy]
O Papazian1, I Alfonso, V F García
1Division de Neurofisiología Clínica, Departamento de Neurología, Miami Children's Hospital, Miami, FL 33155, USA.
Revista De Neurologia
|September 18, 2002
Summary
Neurophysiological evaluation (NPE) aids in diagnosing pediatric peripheral neuropathy by identifying nerve damage components and lesion locations. While sensitive, NPE requires further testing for specific causes.
Area of Science:
- Pediatric Neurology
- Neurophysiology
- Peripheral Nerve Disorders
Context:
- Peripheral neuropathy in children presents diagnostic challenges.
- Neurophysiological evaluation (NPE) complements the standard neurologic examination.
- Understanding the capabilities and limitations of NPE is crucial for accurate diagnosis.
Purpose:
- To demonstrate the value and limitations of neurophysiological evaluation in diagnosing pediatric peripheral neuropathy.
- To highlight the diagnostic sensitivity of NPE.
- To address the lack of etiologic specificity in NPE.
Summary:
- NPE includes nerve conduction velocity (NCV) studies, electromyography (EMG), somatosensory evoked potentials (SEP), and motor evoked potentials (MEP).
- NCV assesses nerve fiber involvement (axon/myelin), fiber type (motor/sensory), lesion location, and pattern.
- EMG quantifies denervation and reinnervation.
Impact:
- NPE helps localize lesions within the peripheral nervous system (nerve root, plexus, peripheral nerves).
- It aids in determining disease severity, prognosis, and guiding surgical decisions.
- NPE is valuable for monitoring treatment efficacy and disease progression.
