Abstract
Objective
To assess the value of triple stimulation technique (TST) for diagnose of chronic inflammatory demyelinating polyradiculoneuropathy (CIDP).
Methods
Seven clinically suspected CIDP patients who did not fulfill EFNS/PNS electrodiagnostic criteria for demyelinating neuropathy were enrolled in our study. Routine nerve conduction studies, lumbar puncture, spinal cord magnetic resonance imaging and TST were detected. The patients were being treated with oral prednisone starting at 1 mg/kg daily. The overall disability sum score was performed to evaluate the effect of corticosteroids.
Results
Twenty-eight motor nerves were tested with TST, two conduction blocks (CBs) were detected between the root emergence and the Erb point in six patients respectively and one CB was detected in one patient. Symptoms of all seven patients improved after treatment with oral prednisone.
Conclusion
TST can detect CBs located between the root emergence and the Erb point. TST is useful for early diagnosis of CIDP.
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Acknowledgements
This work was supported by Medical scientific research of Chongqing Health and Family Planning Committee(2015MSXM004).
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Du Cao and Jie Hao are co-first authors.
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Cao, D., Guo, X., Yuan, T. et al. Diagnosing chronic inflammatory demyelinating polyradiculoneuropathy with triple stimulation technique. J Neurol 265, 1916–1921 (2018). https://doi.org/10.1007/s00415-018-8929-1
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DOI: https://doi.org/10.1007/s00415-018-8929-1