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Academic literature on the topic 'Seuils nociceptifs'
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Journal articles on the topic "Seuils nociceptifs"
Slaoui, T., A. Mas-Gerdelat, F. Ory-Magne, O. Rascol, and C. Brefel-Courbon. "La lévodopa modifie les seuils nociceptifs chez le patient parkinsonien." Revue Neurologique 163, no. 1 (2007): 66–71. http://dx.doi.org/10.1016/s0035-3787(07)90356-2.
Full textCherpi, M., A. Delage, T. Paul, and M. Renard. "Nociception in the Skin: nociceptors are no longer the only actors." Douleur et Analgésie 32, no. 4 (2019): 217–20. http://dx.doi.org/10.3166/dea-2020-0081.
Full textEl Bitar, N., and D. Le Bars. "Douleur et thermorégulation Les effets ambivalents de la morphine." Douleur et Analgésie 31, no. 1 (2018): 35–61. http://dx.doi.org/10.3166/dea-2018-0002.
Full textDupouy, Julia, Ory-Magne Fabienne, Jean Pellaprat, et al. "La duloxétine ne modifie pas le seuil nociceptif chez le Parkinsonien." Revue Neurologique 173 (March 2017): S134—S135. http://dx.doi.org/10.1016/j.neurol.2017.01.239.
Full textDalmas, S., and P. Scherpereel. "Réflexe nociceptif de flexion. Principes et applications de la mesure du seuil." Annales Françaises d'Anesthésie et de Réanimation 8, no. 3 (1989): 284–86. http://dx.doi.org/10.1016/s0750-7658(89)80121-2.
Full textSouza, Kelvin Borges Rocha de, Luciana Lyra Casais-e-Silva, and Marcio Cajazeira Aguiar. "O modelo de dor inflamatória induzida pela carragenina como estratégia para avaliar a ação de drogas sobre a dor miofascial." Revista de Ciências Médicas e Biológicas 19, no. 3 (2020): 507. http://dx.doi.org/10.9771/cmbio.v19i3.42460.
Full textAmestoy, A. "La douleur chez les personnes avec Trouble du Spectre de l’Autisme. État des lieux et perspectives." European Psychiatry 29, S3 (2014): 602. http://dx.doi.org/10.1016/j.eurpsy.2014.09.203.
Full textPacheco Filho, E. F., F. M. B. Magalhães, A. V. Machado, and R. O. Costa. "Apitoxina e sua Atividade Anti-inflamatória e Anti-nociceptiva." ACTA Apicola Brasilica 2, no. 2 (2014): 11. http://dx.doi.org/10.18378/aab.v2i2.3737.
Full textPellaprat, J., E. Dellapina, D. Adel, et al. "Étude de corrélation entre la fixation du [123I]-FP-CIT et le seuil nociceptif dans la maladie de Parkinson." Revue Neurologique 170 (April 2014): A131. http://dx.doi.org/10.1016/j.neurol.2014.01.354.
Full textPellaprat, Jean, Angelique Gerdelat-Mas, Marion Simonetta-Moreau, et al. "Effet de la stimulation magnétique transcrânienne répétitive (rTMS) haute fréquence, appliquée sur le cortex moteur primaire, sur le seuil de perception nociceptif chez le patient parkinsonien : étude physiopathologique." Revue Neurologique 168 (April 2012): A110—A111. http://dx.doi.org/10.1016/j.neurol.2012.01.282.
Full textDissertations / Theses on the topic "Seuils nociceptifs"
Dellapina, Estelle. "Étude physiopathologique de la douleur dans la maladie de Parkinson : approches pharmacologique, en neuroimagerie et évaluation des effets de la stimulation cérébrale profonde du noyau sous-thalamique." Toulouse 3, 2012. http://thesesups.ups-tlse.fr/1758/.
Full textOne of the most disabling and frequent symptom of Parkinson's disease (PD) is pain. PD patients can suffer from different types of painful symptoms. In this work, we were interested in central neuropathic pain. Pathophysiological basis of this type of pain remains to clarify. A central modification of pain processing has been suggested in PD with a hypersensitivity to pain and abnormal activations of areas involved in pain processing in patients with PD. One hypothesis is that these abnormalities in pain perception could be related to central dopamine deficiency, one of the neuropathological hallmarks of Parkinson's disease. Indeed, basal ganglia have been shown to be involved in pain processing. This work evaluated the role of dopaminergic system in pain perception in two different ways: one evaluating the effect of a dopamine agonist on pain perception and the other testing the correlation between dopamine deficiency and clinical parameters of pain. Results showed that dopaminergic system is probably not involved in pain perception abnormalities and in the occurrence of central neuropathic pain in Parkinson's disease. Others monoaminergic systems, such as the noradrenergic system, could thus be involved and it would be interesting to test this hypothesis in future studies. The other part of our work showed that subthalamic deep brain stimulation had a significant effect on pain threshold, pain-induced activity in positron emission tomography and pain intensity in patients suffering from central neuropathic pain. Deep brain stimulation of this target could thus be an interesting treatment of pain in Parkinson's disease
Robin, Olivier. "Contribution à l'étude de la douleur expérimentale chez l'homme." Lyon 1, 1995. http://www.theses.fr/1995LYO1DE02.
Full textHonoré, Margaux. "L'effet hypoalgésique de la manipulation vertébrale The regional effect of spinal manipulation on the pressure pain threshold in asymptomatic subjects: a systematic literature review How big is the effect of spinal manipulation on the pressure pain threshold and for how long does it last? – secondary analysis of data from a systematic review Wedderkopp Chiropractic & Manual Therapies volume 27, Article number: 22 (2019) What is the effect of spinal manipulation on the pressure pain threshold in young, asymptomatic subjects? A randomized placebo-controlled trial, with a cross-over design." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASS131.
Full textSpinal manipulation is known for its clinical effect on musculoskeletal pain. Or, its mechanisms of action on pain are still little known. This is why this doctoral project sought to determine the existence of a specific effect on the threshold of pressure pain, in asymptomatic subjects, and if it exists, to specify its size and its duration. Our two systematic and critical reviews of the literature have highlighted the presence of a specific regional effect of vertebral manipulation on this painful perception in the asymptomatic population, with a medium effect size and short duration. However, these results contradict our experimental trial on the effect of placebo-controlled thoracic spinal manipulation in this population. This difference can be explained by the quality of the placebo maneuver, with the verification of successful blindness during the experiment by a questionnaire. In conclusion, our work has not succeeded in reproducing a specific effect of vertebral manipulation on the threshold of pain perception at pressure, suggesting that the mechanisms of action of manipulation are similar to those in a placebo maneuver. Therefore, the main importance of the work is to have shown the importance of the placebo effect and commenting on the results of a trial may depend on the way the placebo intervention is performed and indicated
Pinto, NatÃlia BitÃ. "AvaliaÃÃo da atividade neuroprotetora do extrato padronizado de Camellia sinensis e de seus princÃpios bioativos: envolvimento de aÃÃes anti-inflamatÃrias e antioxidantes." Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=15024.
Full textA doenÃa de Parkinson (DP) à uma desordem neurodegenerativa caracterizada pela destruiÃÃo dos neurÃnios nigroestriatais dopaminÃrgicos. O tratamento atual à apenas sintomÃtico e, atà o presente momento, nÃo existem drogas capazes de inibir a degeneraÃÃo neuronal. Assim à grande a procura por agentes neuroprotetores que possam impedir ou retardar a progressÃo desta doenÃa. A Camellia sinensis à uma espÃcie da famÃlia Theaceae, popularmente conhecida como chÃ-verde (CV). VÃrios estudos tÃm demonstrado os efeitos benÃficos desta planta e de seus princÃpios bioativos contra doenÃas neurodegenerativas. O objetivo deste trabalho foi avaliar o efeito neuroprotetor do extrato padronizado do chÃ-verde e de suas catequinas, epicatequina (EC) e epigalocatequina 3-galato (EGCG), no modelo de DP induzida por 6-OHDA em ratos, bem como estudar o efeito do CV em modelos de inflamaÃÃo e nocicepÃÃo. Os animais (ratos Wistar machos, 180-250 g) foram tratados por via oral com CV (25 ou 50 mg/kg), catequinas (EC ou EGCG, na dose de 10 mg/kg), a associaÃÃo de CV (25 mg/kg) + L-DOPA (25 mg/kg) e com L-DOPA sozinha (nas doses de 25 ou 50 mg/kg) durante 14 dias consecutivos; os tratamentos foram iniciados 1h antes da lesÃo estriatal unilateral por 6-OHDA (24 Âg/2ÂL). Nos testes comportamentais, os resultados mostraram que houve um aumento significativo do nÃmero de rotaÃÃes induzidas por apomorfina, diminuiÃÃo da atividade locomotora no teste do campo aberto, aumento do tempo de imobilidade no teste no nado forÃado, aumento do tempo de encontro da plataforma no teste do labirinto aquÃtico e aumento do nÃmero de quedas no teste do rota rod nos animais lesionados com 6-OHDA, em comparaÃÃo com os animais falso-operados. Essas modificaÃÃes foram, em parte ou totalmente, revertidas apÃs os tratamentos com CV, CV + L-DOPA, EC, EGCG e L-DOPA sozinha. A 6-OHDA provocou morte neuronal, evidenciada pela reduÃÃo dos nÃveis de dopamina e metabolitos (DOPAC e HVA) no estriado direito lesionado quando comparado com o estriado esquerdo nÃo-lesionado (contralateral). Essa depleÃÃo foi significativamente atenuada nos animais lesionados e tratados com CV, L-DOPA, EC, EGCG e associaÃÃo CV 25 + L-DOPA 25; estas mesmas drogas diminuÃram os nÃveis de TBARS (indicador de peroxidaÃÃo lipÃdica) e nitrito/nitrato (indicador de estresse oxidativo) no estriado de ratos submetidos a lesÃo estriatal por 6-OHDA. Experimentos in vitro demonstraram que o CV (0,1-100 Âg/Âl) apresentou um forte efeito antioxidante, ao reduzir a produÃÃo de substÃncias oxidantes em neutrÃfilos humanos estimulados por PMA. Na coloraÃÃo de Nissl, observou-se que nos animais lesionados e tratados com CV, EGCG e CV + L-DOPA houve uma preservaÃÃo dos neurÃnios hipocampais. Os tratamentos com CV e CV+L-DOPA aumentaram a imunorreatividade para TH e diminuÃram a imunomarcaÃÃo para COX-2 no estriado, bem como o CV e EGCG atenuaram a marcaÃÃo para iNOS no hipocampo dos animais tratados, em relaÃÃo ao grupo controle. Observou-se que o CV potencializou os efeitos da L-DOPA, evidenciando um possÃvel efeito sinÃrgico entre essas drogas. Em outra etapa do estudo, avaliou-se a atividade anti-inflamatÃria/antinociceptiva do CV. Assim, no modelo de edema de pata, induzido por carragenina ou dextrano, verificou-se uma diminuiÃÃo do volume do edema da pata dos ratos, apÃs tratamento com CV, em relaÃÃo aos do grupo controle (tratado apenas com Ãgua destilada). O CV produziu efeito antinociceptivo, nos testes da formalina e das contorÃÃes abdominais, induzidas por Ãcido acÃtico, como tambÃm nos testes da placa quente e de Hargreaves, possivelmente atravÃs da ativaÃÃo de receptores opioides e da reduÃÃo do processo inflamatÃrio. Nestes testes de nocicepÃÃo e inflamaÃÃo, o CV potencializou os efeitos da morfina, indometacina e dexametasona. Portanto, nossos resultados evidenciaram os efeitos neuroprotetores do CV e de seus princÃpios bioativos, EC e EGCG, possivelmente decorrentes de suas propriedades anti-inflamatÃrias e antioxidantes, tornando-as opÃÃes terapÃuticas futuras para a prevenÃÃo ou tratamento de doenÃas neurodegenerativas, como a doenÃa de Parkinson.
Urien, Louise. "L' ablation des neurones GINIP+ révèle un rôle critique des mécanorécepteurs à bas seuil de type C dans la modulation des douleurs chimiques et mécaniques." Thesis, Aix-Marseille, 2015. http://www.theses.fr/2015AIXM4030/document.
Full textPrimary sensory neurons are heterogeneous by myriad of molecular criteria. However, the functional significance of this remarkable heterogeneity is just emerging. Here we used our recently generated ginip mouse model to selectively ablate the cutaneous free nerve endings MRGPRD+ neurons and the C-Low threshold mechanoreceptors (C-LTMRs). Ablation of GINIP-expressing neurons led to a significant decrease of formalin-evoked first pain and a complete absence of the second phase pain response, without affecting thermal or mechanical sensitivity. Knowing that MRGPRD+ neurons are dispensable for formalin-evoked pain and that these neurons play a critical role in acute and injury-induced mechanical pain, our data demonstrate that formalin-induced pain hypersensitivity is primarily transduced via C-LTMRs, and suggest that C-LTMRs and MRGPRD+ neurons play antagonistic roles in transduction of acute and injury-induced mechanical pain. Therefore, our results suggest that C-LTMRs act as strong modulators of chemical and mechanical pain signals