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Sensory Small Fiber Function Differentially Assessed with Diode Laser ( DL) Quantitative Sensory Testing ( QST) in Painful Neuropathy ( PN).
- Source :
-
Pain Medicine . Mar2013, Vol. 14 Issue 3, p417-421. 5p. 3 Graphs. - Publication Year :
- 2013
-
Abstract
- Sensory function of small peripheral nerve fiber was assessed by means of quantitative sensory testing ( QST) during which sensory stimulation was provided using diode laser ( DL) in patients suffering from painful neuropathy ( PN) and compared with symptom-free healthy controls ( HC). Based on previous research work using DL stimulation, parameters that demonstrated safe and specific activation of A-delta, which were distinct from stimulation parameters for the activation of C-fibers, were utilized in this study. Results of this study demonstrated that this differential activation pointed to the impaired function of A-delta fibers while C-fiber function was unaffected. Stimulation of HC reproduced previously published results, and stimulation during this study was safe also without any dermal effect in patients with PN and in HC. Parameters used in this study were demonstrated in previous preclinical rodent study identical differential effect on activation of A-delta and C-fibers, and as such, DL is an ideal tool for translational pain research where specific activation of A-delta or C-fibers, or both, is required. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 15262375
- Volume :
- 14
- Issue :
- 3
- Database :
- Academic Search Index
- Journal :
- Pain Medicine
- Publication Type :
- Academic Journal
- Accession number :
- 86053370
- Full Text :
- https://doi.org/10.1111/pme.12049