2008
DOI: 10.1016/j.clinph.2007.11.043
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Patterns of contact heat evoked potentials (CHEP) in neuropathy with skin denervation: Correlation of CHEP amplitude with intraepidermal nerve fiber density

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Cited by 78 publications
(49 citation statements)
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“…It is suggested that the increase in the PTh and CHEP amplitude from the dermatomes C4 to C8 could be explained by a higher nerve fiber density in more proximal than distal dermatomes, in accordance with skin biopsy studies (Arthur and Shelley, 1959;Johansson et al, 1999;Lauria et al, 1999;McArthur et al, 1998). Furthermore, the positive correlation between intraepidermal nerve fiber density and CHEP responses (Atherton et al, 2007;Chao et al, 2008) strengthens the hypothesis that the cortically observed difference might be in part because of peripheral receptor properties.…”
supporting
confidence: 61%
“…It is suggested that the increase in the PTh and CHEP amplitude from the dermatomes C4 to C8 could be explained by a higher nerve fiber density in more proximal than distal dermatomes, in accordance with skin biopsy studies (Arthur and Shelley, 1959;Johansson et al, 1999;Lauria et al, 1999;McArthur et al, 1998). Furthermore, the positive correlation between intraepidermal nerve fiber density and CHEP responses (Atherton et al, 2007;Chao et al, 2008) strengthens the hypothesis that the cortically observed difference might be in part because of peripheral receptor properties.…”
supporting
confidence: 61%
“…It has been shown that patients with sensory neuropathy of different etiologies have lower CHEPS amplitudes, which correlates with intraepidermal nerve fiber densities. [22][23][24] To the best of our knowledge, there have been only two studies specifically investigating the utility of CHEPS in the evaluation of DPN with satisfactory results. 25,26 Both concluded that CHEPS provides a noninvasive and sensitive approach to assess the involvement of small, thermonociceptive nerve fibers in patients with diabetes and that it has great potential for application to interventional studies.…”
Section: Introductionmentioning
confidence: 90%
“…À côté des tests neurophysiologiques, il n'y a que la technique histologique de mesure de la densité intra-épidermique des terminaisons nerveuses sur biopsie cutanée qui soit capable d'apporter des éléments objectifs au diagnostic de neuropathie affectant les petites fibres [24,34]. Quelques études comparatives ont été menées entre les données apportées par cette technique histologique et les enregistrements de potentiels évoqués liés à la douleur ou au réchauffement cutané [4,10,30]. Cependant, il reste à déterminer la sensibilité et la spécificité des différents tests neurophysiologiques dans le diagnostic des neuropathies « petites fibres » en pratique courante, notamment dans le cadre des neuropathies douloureuses, si tant est que celles-ci correspondent réellement à une atteinte plus spécifique des petites fibres nerveuses.…”
Section: Resultsunclassified