Test-retest reliability of contact heat-evoked potentials from cervical dermatomes

Journal of Clinical Neurophysiology : Official Publication of the American Electroencephalographic Society
John L K KramerJ D Steeves

Abstract

The purpose of this study was to investigate the test-retest reliability of contact heat-evoked potentials (CHEPs) in neurologically healthy subjects from cervical dermatomes (C4-C8). Seventeen individuals underwent test-retest examination of cervical CHEPs. Peak latencies and peak-to-peak amplitude of N2-P2 and ratings of perceived intensity were analyzed using test-retest reliability statistics (intraclass correlation coefficients [ICCs] and Bland-Altman confidence parameters). For comparison, a group of similar age and gender was also examined with dermatomal somatosensory-evoked potentials (dSSEPs, n = 17). The ICC values for CHEP latency and amplitude parameters were significant (P < 0.05) and corresponded to at least "fair" reliability, while peak-to-peak amplitude demonstrated "substantial" (≥0.81) reliability for all dermatomes. The coefficients of repeatability (i.e., 2SD of the difference between examinations) confirm that CHEPs and dSSEPs are reliable according to measures of latency. Superior peak-to-peak amplitude test-retest reliability was found for CHEPs. In conclusion, the test-retest reliability of dSSEP and CHEP parameters supports the fact that these outcomes can be used to objectively track changes in spina...Continue Reading

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Citations

Jul 31, 2013·Journal of Neurotrauma·Inge-Marie VelstraArmin Curt
Jan 10, 2013·World Neurosurgery·Sukhvinder Kalsi-RyanMichael G Fehlings
Mar 26, 2015·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·J L K KramerP Freund
Sep 27, 2014·Muscle & Nerve·Vera LagerburgIngemar S J Merkies
Jun 12, 2013·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·R RuscheweyhM Marziniak
Apr 14, 2015·The Journal of Pain : Official Journal of the American Pain Society·Catherine R JutzelerJohn L K Kramer
Jan 31, 2020·Frontiers in Human Neuroscience·Lukas D LindeJohn L K Kramer
Jun 20, 2019·Pain Medicine : the Official Journal of the American Academy of Pain Medicine·Jan RosnerMichèle Hubli
Jan 25, 2020·Nature Reviews. Neurology·Jetan H BadhiwalaMichael G Fehlings
Feb 8, 2018·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·J RosnerC R Jutzeler
Mar 27, 2021·Scientific Reports·Iara De SchoenmackerJohn L K Kramer

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