Cargando…
Effects of remote cutaneous pain on trigeminal laser-evoked potentials in migraine patients
The present study aimed to evaluate heat pain thresholds and evoked potentials following CO(2) laser thermal stimulation (laser-evoked potentials, LEPs), during remote application of capsaicin, in migraine patients vs. non-migraine healthy controls. Twelve outpatients suffering from migraine without...
Autores principales: | , , , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Springer-Verlag
2007
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3476143/ https://www.ncbi.nlm.nih.gov/pubmed/17563842 http://dx.doi.org/10.1007/s10194-007-0385-8 |
_version_ | 1782247058290245632 |
---|---|
author | de Tommaso, Marina Difruscolo, Olimpia Sardaro, Michele Libro, Giuseppe Pecoraro, Carla Serpino, Claudia Lamberti, Paolo Livrea, Paolo |
author_facet | de Tommaso, Marina Difruscolo, Olimpia Sardaro, Michele Libro, Giuseppe Pecoraro, Carla Serpino, Claudia Lamberti, Paolo Livrea, Paolo |
author_sort | de Tommaso, Marina |
collection | PubMed |
description | The present study aimed to evaluate heat pain thresholds and evoked potentials following CO(2) laser thermal stimulation (laser-evoked potentials, LEPs), during remote application of capsaicin, in migraine patients vs. non-migraine healthy controls. Twelve outpatients suffering from migraine without aura were compared with 10 healthy controls. The LEPs were recorded by 6 scalp electrodes, stimulating the dorsum of the right hand and the right supraorbital zone in basal condition, during the application of 3% capsaicin on the dorsum of the left hand and after capsaicin removal. In normal subjects, the laser pain and the N2-P2 vertex complex obtained by the hand and face stimulation were significantly reduced during remote capsaicin application, with respect to pre-and post-capsaicin conditions, while in migraine LEPs and laser pain were not significantly modified during remote painful stimulation. In migraine a defective brainstem inhibiting control may coexist with cognitive factors of focalised attention to facial pain, less sensitive to distraction by a second pain. |
format | Online Article Text |
id | pubmed-3476143 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2007 |
publisher | Springer-Verlag |
record_format | MEDLINE/PubMed |
spelling | pubmed-34761432012-11-29 Effects of remote cutaneous pain on trigeminal laser-evoked potentials in migraine patients de Tommaso, Marina Difruscolo, Olimpia Sardaro, Michele Libro, Giuseppe Pecoraro, Carla Serpino, Claudia Lamberti, Paolo Livrea, Paolo J Headache Pain Original The present study aimed to evaluate heat pain thresholds and evoked potentials following CO(2) laser thermal stimulation (laser-evoked potentials, LEPs), during remote application of capsaicin, in migraine patients vs. non-migraine healthy controls. Twelve outpatients suffering from migraine without aura were compared with 10 healthy controls. The LEPs were recorded by 6 scalp electrodes, stimulating the dorsum of the right hand and the right supraorbital zone in basal condition, during the application of 3% capsaicin on the dorsum of the left hand and after capsaicin removal. In normal subjects, the laser pain and the N2-P2 vertex complex obtained by the hand and face stimulation were significantly reduced during remote capsaicin application, with respect to pre-and post-capsaicin conditions, while in migraine LEPs and laser pain were not significantly modified during remote painful stimulation. In migraine a defective brainstem inhibiting control may coexist with cognitive factors of focalised attention to facial pain, less sensitive to distraction by a second pain. Springer-Verlag 2007-06-11 2007-06 /pmc/articles/PMC3476143/ /pubmed/17563842 http://dx.doi.org/10.1007/s10194-007-0385-8 Text en © Springer-Verlag Italia 2007 |
spellingShingle | Original de Tommaso, Marina Difruscolo, Olimpia Sardaro, Michele Libro, Giuseppe Pecoraro, Carla Serpino, Claudia Lamberti, Paolo Livrea, Paolo Effects of remote cutaneous pain on trigeminal laser-evoked potentials in migraine patients |
title | Effects of remote cutaneous pain on trigeminal laser-evoked potentials in migraine patients |
title_full | Effects of remote cutaneous pain on trigeminal laser-evoked potentials in migraine patients |
title_fullStr | Effects of remote cutaneous pain on trigeminal laser-evoked potentials in migraine patients |
title_full_unstemmed | Effects of remote cutaneous pain on trigeminal laser-evoked potentials in migraine patients |
title_short | Effects of remote cutaneous pain on trigeminal laser-evoked potentials in migraine patients |
title_sort | effects of remote cutaneous pain on trigeminal laser-evoked potentials in migraine patients |
topic | Original |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3476143/ https://www.ncbi.nlm.nih.gov/pubmed/17563842 http://dx.doi.org/10.1007/s10194-007-0385-8 |
work_keys_str_mv | AT detommasomarina effectsofremotecutaneouspainontrigeminallaserevokedpotentialsinmigrainepatients AT difruscoloolimpia effectsofremotecutaneouspainontrigeminallaserevokedpotentialsinmigrainepatients AT sardaromichele effectsofremotecutaneouspainontrigeminallaserevokedpotentialsinmigrainepatients AT librogiuseppe effectsofremotecutaneouspainontrigeminallaserevokedpotentialsinmigrainepatients AT pecorarocarla effectsofremotecutaneouspainontrigeminallaserevokedpotentialsinmigrainepatients AT serpinoclaudia effectsofremotecutaneouspainontrigeminallaserevokedpotentialsinmigrainepatients AT lambertipaolo effectsofremotecutaneouspainontrigeminallaserevokedpotentialsinmigrainepatients AT livreapaolo effectsofremotecutaneouspainontrigeminallaserevokedpotentialsinmigrainepatients |