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Nodo-paranodopathies: Concepts, Clinical Implications, and Management.
Satish V Khadilkar1, Saurabh Kamat1, Riddhi Patel1
1Departments of Neurology, Bombay Hospital Institute of Medical Sciences, Seth GS Medical College and KEM Hospital, Mumbai, Maharashtra, India.
Annals of Indian Academy of Neurology
|March 13, 2023
Summary
Immune-mediated neuropathies targeting the nodal/paranodal region, termed nodopathies, present unique clinical features. Early detection and targeted therapies are crucial for better patient outcomes in these rare nerve disorders.
Area of Science:
- Neuroscience
- Immunology
- Pathophysiology
Background:
- Peripheral neuropathies are typically classified as demyelinating or axonal.
- Nodal/paranodal dysfunction is increasingly recognized in immune-mediated neuropathies.
- Antibodies targeting these nerve regions are detected in patients with distinct clinical presentations.
Purpose of the Study:
- To review the structure, concept, and pathophysiology of nodopathies.
- To outline the clinical phenotypes associated with nodal/paranodal antibodies.
- To suggest evidence-based therapeutic strategies for nodopathies.
Main Methods:
- Literature review
- Synthesis of current evidence on nodopathies
- Analysis of clinical, electrophysiological, and diagnostic features
Main Results:
- Nodopathies exhibit phenotypes similar to Guillain-Barré syndrome and chronic inflammatory demyelinating polyradiculoneuropathy, with additional atypical neurological and systemic features.
- Patients with nodopathies often show poor response to standard immunotherapies like IVIG.
- Specific nodal/paranodal antibodies are key diagnostic markers.
Conclusions:
- Understanding nodal/paranodal dysfunction is vital for immune-mediated neuropathies.
- Nodopathies represent a distinct category of neuropathies requiring tailored management.
- Further research into targeted therapies for nodopathies is warranted.
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