Decreased axon flare reaction to electrical stimulation in patients with chronic demyelinating inflammatory polyneuropathy
Purpose: In chronic inflammatory demyelinating polyradiculopathy (CIDP), the impairment of unmyelinated nerve fibers appears unexpected. The measurement of the electrically induced axon flare reflex is a clinical test to assess the peripheral C-nociceptor function. In this study, we compared the fla...
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| Main Authors: | , , , , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
2017/03/01
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| In: |
Journal of clinical neurophysiology
Year: 2017, Volume: 34, Issue: 2, Pages: 101-106 |
| ISSN: | 1537-1603 |
| DOI: | 10.1097/WNP.0000000000000294 |
| Online Access: | Verlag, Volltext: http://dx.doi.org/10.1097/WNP.0000000000000294 Verlag, Volltext: https://insights.ovid.com/crossref?an=00004691-201703000-00001 
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| Author Notes: | Panagiotis Kokotis, Martin Schmelz, Aikaterini E. Papagianni, Thomas Zambelis, and Nikos Karandreas |
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| 245 | 1 | 0 | |a Decreased axon flare reaction to electrical stimulation in patients with chronic demyelinating inflammatory polyneuropathy |c Panagiotis Kokotis, Martin Schmelz, Aikaterini E. Papagianni, Thomas Zambelis, and Nikos Karandreas |
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| 520 | |a Purpose: In chronic inflammatory demyelinating polyradiculopathy (CIDP), the impairment of unmyelinated nerve fibers appears unexpected. The measurement of the electrically induced axon flare reflex is a clinical test to assess the peripheral C-nociceptor function. In this study, we compared the flare area in patients suffering from CIDP with healthy subjects. Methods: We examined 18 patients fulfilling the criteria for CIDP (11 men, mean age 51.8 years, SD 15.1) and 18 age-matched adult healthy volunteers (control group) (11 men, mean age 51.9 years, SD 15.8). The flare responses were elicited by transcutaneous electrical stimulation and recorded by laser Doppler imaging. Results: There was a significant reduction of electrically induced maximum flare area in the foot dorsum of patients with CIDP (t-value 2.08, P = 0.04) which proved to be length-dependent measured by a numerical index comparing the results with the forearm and thigh. The repeatedmeasures ANOVA revealed statistically significant smaller flare areas in all body regions for the CIDP group (P < 0.001). Conclusions: The axon flare reaction to electrical stimulation was decreased in patients with chronic demyelinating inflammatory polyneuropathy. The evaluation of the axon flare response can be proposed as a noninvasive objective functional test to detect an impaired C-fiber function in CIDP patients with the advantages of simplicity of the procedure, time economy, and objectivity. | ||
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| 700 | 1 | |a Karandreas, Nikos |e VerfasserIn |4 aut | |
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