CIDP: investigations
Evidence-based neurology checklist on cidp: investigations: Nerve conduction studies (NCS): features Prolonged distal motor latency Reduced velocities Prolonged F wave latency Temporal dispersion Conduction block Slow motor nerve conduction velocity (mNCV): this is <80% of the lower limit Sensory…
Nerve conduction studies (NCS): features
- Prolonged distal motor latency
- Reduced velocities
- Prolonged F wave latency
- Temporal dispersion
- Conduction block
- Slow motor nerve conduction velocity (mNCV): this is <80% of the lower limit
- Sensory NCS is not sensitive
Cerebrospinal fluid (CSF) analysis
Nerve ultrasound
Autoantibodies
Other investigations
Emerging investigations
Acronym
References
- The French CIDP Group, Vallat JM. Recommendations on diagnostic strategies for chronic inflammatory demyelinating polyradiculopathy. Postgrad Med J 2008; 84:378-381.
- The French CIDP Group. Recommendations on diagnostic strategies for chronic inflammatory demyelinating polyradiculopathy. JNNP 2008; 79:115-118.
- Vallat JM, Sommer C, Magy L. Chronic inflammatory demyelinating polyradiculoneuropathy: diagnostic and therapeutic challenges for a treatable condition. Lancet Neurol 2010; 9:402-412.
- Capodivento G, De Michelis C, Carpo M, et al. CSF sphingomyelin: a new biomarker of demyelination in the diagnosis and management of CIDP and GBS. JNNP 2020 (Online ahead of print).
- Grimm A, Schubert V, Axer H, Ziemann U. Giant nerves in chronic inflammatory polyradiculoneuropathy. Muscle Nerve 2017; 55:285-289.
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