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Gunduz A, Valls-Solé J, Serranová T, Coppola G, Kofler M, Jääskeläinen SK. The blink reflex and its modulation - Part 2: Pathophysiology and clinical utility. Clin Neurophysiol 2024; 160:75-94. [PMID: 38412746 DOI: 10.1016/j.clinph.2024.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 12/30/2023] [Accepted: 02/06/2024] [Indexed: 02/29/2024]
Abstract
The blink reflex (BR) is integrated at the brainstem; however, it is modulated by inputs from various structures such as the striatum, globus pallidus, substantia nigra, and nucleus raphe magnus but also from afferent input from the peripheral nervous system. Therefore, it provides information about the pathophysiology of numerous peripheral and central nervous system disorders. The BR is a valuable tool for studying the integrity of the trigemino-facial system, the relevant brainstem nuclei, and circuits. At the same time, some neurophysiological techniques applying the BR may indicate abnormalities involving structures rostral to the brainstem that modulate or control the BR circuits. This is a state-of-the-art review of the clinical application of BR modulation; physiology is reviewed in part 1. In this review, we aim to present the role of the BR and techniques related to its modulation in understanding pathophysiological mechanisms of motor control and pain disorders, in which these techniques are diagnostically helpful. Furthermore, some BR techniques may have a predictive value or serve as a basis for follow-up evaluation. BR testing may benefit in the diagnosis of hemifacial spasm, dystonia, functional movement disorders, migraine, orofacial pain, and psychiatric disorders. Although the abnormalities in the integrity of the BR pathway itself may provide information about trigeminal or facial nerve disorders, alterations in BR excitability are found in several disease conditions. BR excitability studies are suitable for understanding the common pathophysiological mechanisms behind various clinical entities, elucidating alterations in top-down inhibitory systems, and allowing for follow-up and quantitation of many neurological syndromes.
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Affiliation(s)
- Aysegul Gunduz
- Istanbul University-Cerrahpasa, Cerrahpasa Faculty of Medicine, Department of Neurology, Division of Neurophysiology, Istanbul, Turkey.
| | - Josep Valls-Solé
- IDIBAPS. Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Villarroel 170 08024, Barcelona, Spain.
| | - Tereza Serranová
- Department of Neurology and Center of Clinical Neuroscience, Charles University, Prague 1st Faculty of Medicine and General University Hospital, Prague, Kateřinská 30, 12800 Prague 2, Czech Republic.
| | - Gianluca Coppola
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome Polo Pontino ICOT, via Franco Faggiana 1668 04100, Latina, Italy.
| | - Markus Kofler
- Department of Neurology, Hochzirl Hospital, A-6170 Zirl, Austria.
| | - Satu K Jääskeläinen
- Department of Clinical Neurophysiology, Division of Medical Imaging, Turku University Hospital and University of Turku, Postal Box 52, FIN 20521 Turku, Finland.
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Nahman-Averbuch H, Callahan D, Darken R, Haroutounian S. Harnessing the conditioned pain modulation response in migraine diagnosis, outcome prediction, and treatment-A narrative review. Headache 2023; 63:1167-1177. [PMID: 37522350 DOI: 10.1111/head.14601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 05/01/2023] [Accepted: 06/14/2023] [Indexed: 08/01/2023]
Abstract
OBJECTIVE To present the potential use and relevance of the conditioned pain modulation (CPM) response to migraine diagnosis, outcome prediction, and treatment. BACKGROUND The CPM response is a widely used laboratory test to examine inhibitory pain modulation capabilities. METHODS This narrative review summarizes and synthesizes the findings on the CPM response in patients with migraine. RESULTS For diagnosis, we summarized the studies comparing CPM responses between patients with migraine and individuals without migraine or with other headache syndromes, as well as between patients with subtypes of migraine. For prediction, we summarized the studies utilizing the CPM response to predict migraine outcome, such as response to interventions. For treatment, we described a device that utilizes the CPM response for acute and preventative migraine treatment. In addition, we suggest the requirements needed for the CPM response to be used for migraine diagnosis, outcome prediction, and treatment. CONCLUSIONS Although more research is needed, the CPM response could be a useful tool for improving migraine management.
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Affiliation(s)
- Hadas Nahman-Averbuch
- Department of Anesthesiology, Washington University Pain Center, Washington University School of Medicine, St. Louis, Missouri, USA
| | - David Callahan
- Department of Neurology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Rachel Darken
- Department of Neurology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Simon Haroutounian
- Department of Anesthesiology, Washington University Pain Center, Washington University School of Medicine, St. Louis, Missouri, USA
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Peterson JA, Bemben MG, Larson RD, Pereira H, Crowson HM, Black CD. Symptomatic but not Asymptomatic COVID-19 Impairs Conditioned Pain Modulation in Young Adults. THE JOURNAL OF PAIN 2022; 23:1923-1932. [PMID: 35872293 PMCID: PMC9303070 DOI: 10.1016/j.jpain.2022.06.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 06/07/2022] [Accepted: 06/15/2022] [Indexed: 01/08/2023]
Abstract
Pain is a common symptom reported in COVID-19 patients. Impaired endogenous pain-modulatory mechanisms such as conditioned pain modulation (CPM), and exercise-induced hypoalgesia (EIH) have been found in chronic pain conditions but is often overlooked in acute conditions that evoke painful symptoms, such as COVID-19. The purpose was to compare pressure-pain sensitivity, CPM, and EIH function among individuals who previously had COVID-19, both symptomatically and asymptomatically, and a healthy control group. Pressure pain thresholds of 59 participants were assessed in the forearm and leg using a pressure algometer before and after 1) submersion of their dominant foot in cold water (2°C) for 1min; and 2) isometric knee extension performed to task-failure at 25% of their maximal contraction. The CPM response was attenuated in individuals who were infected with symptomatic COVID-19 (N = 26) compared to asymptomatic COVID-19 (N = 13) in arm (-1.0% ± 20.3 vs 33.3% ± 26.2; P < .001) and leg (12.8% ± 22.0 vs 33.8% ± 28.2; P = .014) and compared to controls (N = 20) in arm only (-1.0% ± 26.2 vs 23.4% ± 28.2; P = .004). The EIH response was not different between groups. CPM was impaired in individuals who had symptomatic COVID-19, which may have long-term implications on pain modulation. Perspective This study reveals that CPM was impaired in individuals who had symptomatic COVID-19 during the first wave of COVID-19, pre vaccine. These findings present a preliminary motive to study the long-term implications of COVID-19 and its effects on pain modulation.
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Petersen KKS, Drewes AM, Olesen AE, Ammitzbøll N, Bertoli D, Brock C, Arendt-Nielsen L. The Effect of Duloxetine on Mechanistic Pain Profiles, Cognitive Factors, and Clinical Pain in Patients with Painful Knee Osteoarthritis - A Randomized, Double-Blind, Placebo-Controlled, Crossover Study. Eur J Pain 2022; 26:1650-1664. [PMID: 35638317 PMCID: PMC9541875 DOI: 10.1002/ejp.1988] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 05/03/2022] [Accepted: 05/21/2022] [Indexed: 11/11/2022]
Abstract
BACKGROUND Duloxetine is indicated in the management of pain in osteoarthritis. Evidence suggests that duloxetine modulate central pain mechanisms and cognitive factors, and these factors are assumed contributing to the analgesic effect. This proof-of-mechanism, randomized, placebo-controlled, crossover, double-blinded trial evaluated the effect of duloxetine on quantitative sensory testing (QST), cognitive factors, and clinical pain in patients with osteoarthritis and to predict the analgesic effect. METHODS Twenty-five patients completed this cross-over study with either 18-weeks duloxetine (maximum 60 mg/daily) followed by placebo or vice-versa. Pressure pain thresholds, temporal summation of pain, and conditioned pain modulation were assessed using cuff algometry. The Hospital Anxiety and Depression Scale and the Pain Catastrophizing Scale evaluated cognitive factors. Clinical pain was assessed using Brief Pain Inventory and Western Ontario and McMaster Universities Osteoarthritis Index. Linear regression models were used to predict the analgesic effect of duloxetine. RESULTS Depending on the clinical pain outcome, 40-68% of patients were classified as responders to duloxetine. Linear regression models predicted the analgesic effect (predictive value of 45-75% depending on clinical pain outcome parameter) using a combination of pre-treatment QST parameters, cognitive factors, and clinical pain. No significant changes were found for QST, cognitive factors, or clinical pain on a group level when comparing duloxetine to placebo. CONCLUSION A combination of pre-treatment QST, cognitive factors, and clinical pain was able to predict the analgesic response of duloxetine. However, in this relatively small study, duloxetine did not selectively modulate QST, cognitive factors, or clinical pain intensity when compared with placebo.
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Affiliation(s)
- Kristian Kjaer-Staal Petersen
- Center for Neuroplasticity and Pain, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
| | - Asbjørn Mohr Drewes
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.,Mech-Sense, Department of Gastroenterology and Hepatology, Aalborg University Hospital, Aalborg, Denmark
| | - Anne Estrup Olesen
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.,Department of Clinical Pharmacology, Aalborg University Hospital, Aalborg, Denmark
| | - Nadia Ammitzbøll
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.,Mech-Sense, Department of Gastroenterology and Hepatology, Aalborg University Hospital, Aalborg, Denmark
| | - Davide Bertoli
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.,Mech-Sense, Department of Gastroenterology and Hepatology, Aalborg University Hospital, Aalborg, Denmark
| | - Christina Brock
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.,Mech-Sense, Department of Gastroenterology and Hepatology, Aalborg University Hospital, Aalborg, Denmark
| | - Lars Arendt-Nielsen
- Center for Neuroplasticity and Pain, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark.,Mech-Sense, Department of Gastroenterology and Hepatology, Aalborg University Hospital, Aalborg, Denmark
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Nahman-Averbuch H, Thomas PL, Schneider VJ, Chamberlin LA, Peugh JL, Hershey AD, Powers SW, Coghill RC, King CD. Spatial aspects of pain modulation are not disrupted in adolescents with migraine. Headache 2020; 61:485-492. [PMID: 33231888 DOI: 10.1111/head.14017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 10/14/2020] [Accepted: 10/15/2020] [Indexed: 10/22/2022]
Abstract
OBJECTIVE To compare spatial pain modulation capabilities between adolescents with and without migraine. BACKGROUND Conditioned pain modulation (CPM) responses at the leg are similar in adolescents with versus without migraine. However, the anatomical region of testing may affect spatial pain modulation capabilities as differences in nociceptive processing between patients with migraine and healthy controls are found in local areas that are near the site of clinical pain but not in nonlocal areas. This study aimed to examine spatial pain modulation capabilities tested by the CPM paradigm using test stimulus applied to a local body area. METHODS Nineteen adolescents with migraine (age 14.9 ± 2.3, mean ± SD; 16 female) and 20 healthy adolescents (age 13.8 ± 2.5, mean ± SD; 16 female) completed this case-control study at Cincinnati Children's Hospital Medical Center. Pressure pain thresholds (PPT) were assessed at the trapezius before and during immersion of the foot in a cold water bath (8°C). RESULTS In the migraine group (146.0 ± 79.1, mean ± SD), compared to healthy controls (248.0 ± 145.5, mean ± SD), significantly lower PPT (kilopascal) values were found (estimate = 124.28, 95% CI: 58.98, 189.59, p < 0.001; effect size: d = 1.40). No differences between the groups were found for pain intensity and unpleasantness ratings of cold-water immersion nor the CPM response. CONCLUSIONS This study found altered ascending nociceptive processing of mechanical stimuli at the neck in adolescents with migraine. However, endogenous pain modulatory mechanisms were functional and not altered. In light of other studies, impairments in inhibitory control may not be involved in migraine pathophysiology in pediatric patients regardless of stimulus location.
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Affiliation(s)
- Hadas Nahman-Averbuch
- Division of Behavioral Medicine and Clinical Psychology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.,Center for Understanding Pediatric Pain, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Priya L Thomas
- Division of Behavioral Medicine and Clinical Psychology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Victor J Schneider
- Division of Behavioral Medicine and Clinical Psychology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Leigh Ann Chamberlin
- Division of Behavioral Medicine and Clinical Psychology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - James L Peugh
- Division of Behavioral Medicine and Clinical Psychology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Andrew D Hershey
- Center for Understanding Pediatric Pain, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA.,Division of Neurology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Scott W Powers
- Division of Behavioral Medicine and Clinical Psychology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.,Center for Understanding Pediatric Pain, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Robert C Coghill
- Division of Behavioral Medicine and Clinical Psychology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.,Center for Understanding Pediatric Pain, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA.,Pediatric NeuroImaging Research Consortium, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Christopher D King
- Division of Behavioral Medicine and Clinical Psychology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.,Center for Understanding Pediatric Pain, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
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Torres-Ferrús M, Ursitti F, Alpuente-Ruiz A, Brunello F, Chiappino D, de Vries T, Di Marco S, Ferlisi S, Guerritore L, Gonzalez-Garcia N, Gonzalez-Martinez A, Khutorov D, Kritsilis M, Kyrou A, Makeeva T, Minguez-Olaondo A, Pilati L, Serrien A, Tsurkalenko O, Van den Abbeele D, van Hoogstraten WS, Lampl C. From transformation to chronification of migraine: pathophysiological and clinical aspects. J Headache Pain 2020; 21:42. [PMID: 32349653 PMCID: PMC7189559 DOI: 10.1186/s10194-020-01111-8] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 04/15/2020] [Indexed: 02/06/2023] Open
Abstract
Chronic migraine is a neurological disorder characterized by 15 or more headache days per month of which at least 8 days show typical migraine features. The process that describes the development from episodic migraine into chronic migraine is commonly referred to as migraine transformation or chronification. Ample studies have attempted to identify factors associated with migraine transformation from different perspectives. Understanding CM as a pathological brain state with trigeminovascular participation where biological changes occur, we have completed a comprehensive review on the clinical, epidemiological, genetic, molecular, structural, functional, physiological and preclinical evidence available.
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Affiliation(s)
- M. Torres-Ferrús
- Headache and Craniofacial Pain Unit, Neurology Department, Hospital Universitari Vall d’Hebron, Headache and Neurological Pain Research Group, Vall d’Hebron Research Institute (VHIR), Departament de Medicina, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - F. Ursitti
- Headache Center, Child Neurology Unit, Bambino Gesu’ Children’s Hospital, Rome, Italy
| | - A. Alpuente-Ruiz
- Headache and Craniofacial Pain Unit, Neurology Department, Hospital Universitari Vall d’Hebron, Headache and Neurological Pain Research Group, Vall d’Hebron Research Institute (VHIR), Departament de Medicina, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - F. Brunello
- Juvenile Headache Centre, Department of Woman’s and Child’s Health, University Hospital of Padua, Padua, Italy
| | - D. Chiappino
- Department of Internal medicine, Sant’Andrea Hospital, University of Rome, Sapienza, Italy
| | - T. de Vries
- Division of Vascular Medicine and Pharmacology, Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - S. Di Marco
- Department of Biomedicine Neuroscience and Advanced Diagnostics, Policlinico Paolo Giaccone Hospital, University of Palermo, Palermo, Italy
| | - S. Ferlisi
- Department of Biomedicine Neuroscience and Advanced Diagnostics, Policlinico Paolo Giaccone Hospital, University of Palermo, Palermo, Italy
| | - L. Guerritore
- Department of Internal medicine, Sant’Andrea Hospital, University of Rome, Sapienza, Italy
| | - N. Gonzalez-Garcia
- Headache and Craniofacial Pain Unit, Neurology Department, Hospital Universitario Clínico San Carlos, Madrid, Spain
| | - A. Gonzalez-Martinez
- Neurology Department, Hospital Universitario de La Princesa & Instituto de Investigación Sanitaria de La Princesa, Universidad Autónoma de Madrid (UAM), Madrid, Spain
| | - D. Khutorov
- Department of Clinical Neurology and Sleep Medicine, The Nikiforov Russian Center of Emergency and Radiation Medicine of EMERCOM of Russia, Saint-Petersburg, Russia
| | | | - A. Kyrou
- University Hospital of Psychiatry and Psychotherapy, University of Bern, Switzerland University Hospital of Psychiatry, Bern, Switzerland
| | - T. Makeeva
- Headache Unit, Department of Neurology, Medical center “New Medical Technologies”, Voronezh, Russia
| | - A. Minguez-Olaondo
- Department of Neurology, Universitary Hospital of Donostia, San Sebastian, Spain
- Department of Neurology, Clínica Universidad de Navarra, Pamplona, Spain
- Department of Neurology, Hospital Quironsalud Donostia, San Sebastian, Spain
| | - L. Pilati
- Department of Biomedicine Neuroscience and Advanced Diagnostics, Policlinico Paolo Giaccone Hospital, University of Palermo, Palermo, Italy
| | - A. Serrien
- Department of Neurology, University Hospitals Leuven, Leuven, Belgium
| | - O. Tsurkalenko
- Department of Neurology and Neurosurgery, State Institution “Dnipropetrovsk medical akademy MOH Ukraine”, Dnipro, Ukraine
| | | | - W. S. van Hoogstraten
- Department of Neuroscience, Erasmus University Medical Centre, Rotterdam, The Netherlands
| | - C. Lampl
- Headache Medical Center Linz, Ordensklinikum Linz Barmherzige Schwestern, Linz, Austria
| | - On behalf of School of Advanced Studies of European Headache Federation (EHF-SAS)
- Headache and Craniofacial Pain Unit, Neurology Department, Hospital Universitari Vall d’Hebron, Headache and Neurological Pain Research Group, Vall d’Hebron Research Institute (VHIR), Departament de Medicina, Universitat Autònoma de Barcelona, Barcelona, Spain
- Headache Center, Child Neurology Unit, Bambino Gesu’ Children’s Hospital, Rome, Italy
- Juvenile Headache Centre, Department of Woman’s and Child’s Health, University Hospital of Padua, Padua, Italy
- Department of Internal medicine, Sant’Andrea Hospital, University of Rome, Sapienza, Italy
- Division of Vascular Medicine and Pharmacology, Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
- Department of Biomedicine Neuroscience and Advanced Diagnostics, Policlinico Paolo Giaccone Hospital, University of Palermo, Palermo, Italy
- Headache and Craniofacial Pain Unit, Neurology Department, Hospital Universitario Clínico San Carlos, Madrid, Spain
- Neurology Department, Hospital Universitario de La Princesa & Instituto de Investigación Sanitaria de La Princesa, Universidad Autónoma de Madrid (UAM), Madrid, Spain
- Department of Clinical Neurology and Sleep Medicine, The Nikiforov Russian Center of Emergency and Radiation Medicine of EMERCOM of Russia, Saint-Petersburg, Russia
- Grevena General Hospital, Grevena, Greece
- University Hospital of Psychiatry and Psychotherapy, University of Bern, Switzerland University Hospital of Psychiatry, Bern, Switzerland
- Headache Unit, Department of Neurology, Medical center “New Medical Technologies”, Voronezh, Russia
- Department of Neurology, Universitary Hospital of Donostia, San Sebastian, Spain
- Department of Neurology, Clínica Universidad de Navarra, Pamplona, Spain
- Department of Neurology, Hospital Quironsalud Donostia, San Sebastian, Spain
- Department of Neurology, University Hospitals Leuven, Leuven, Belgium
- Department of Neurology and Neurosurgery, State Institution “Dnipropetrovsk medical akademy MOH Ukraine”, Dnipro, Ukraine
- Department of Neurology, Ghent University Hospital, Ghent, Belgium
- Department of Neuroscience, Erasmus University Medical Centre, Rotterdam, The Netherlands
- Headache Medical Center Linz, Ordensklinikum Linz Barmherzige Schwestern, Linz, Austria
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Qu Z, Liu L, Yang Y, Zhao L, Xu X, Li Z, Zhu Y, Jing X, Wang X, Zhang CS, Fisher M, Li B, Wang L. Electro-acupuncture inhibits C-fiber-evoked WDR neuronal activity of the trigeminocervical complex: Neurophysiological hypothesis of a complementary therapy for acute migraine modeled rats. Brain Res 2020; 1730:146670. [PMID: 31953213 DOI: 10.1016/j.brainres.2020.146670] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 01/07/2020] [Accepted: 01/11/2020] [Indexed: 11/17/2022]
Abstract
INTRODUCTION Acupuncture has become a relevant complementary and alternative treatment for acute migraine; however, the neurophysiological mechanism (C-fibers) underlying this effect remains unclear. C-fibers play a crucial role for diffuse noxious inhibitory controls (DNIC) at wide dynamic range (WDR) neurons in the trigeminocervical complex (TCC) in migraine attacks, and we supposed that this may be the mechanism of acupuncture analgesia. This study aimed to examine the neurophysiology of acupuncture intervention in an acute migraine rat model. METHODS Inflammatory soup (IS) or saline was injected into the dura mater to establish a migraine and control model in rats. To explore the neurobiological mechanism of acupuncture for migraine, we implemented electro-acupuncture (EA), non-electric-stimulation acupuncture, and no-acupuncture in IS and saline injected rats, and recorded the single-cell extraneural neurophysiology of the atlas (C1) spinal dorsal horn neurons in the TCC. RESULTS Our research shows that electro-acupuncture at GB8 (Shuaigu), located in the periorbital region receptive field of the trigeminal nerve, may rapidly reduce the C-fiber evoked WDR neuronal discharges of the TCC within 60 s. DISCUSSION This study provides pioneering evidence of a potential neurobiological mechanism for the analgesic effect on migraine attacks achieved by electro-acupuncture intervention via DNIC. The data indicates that EA may become a crucial supplementary and alternative therapy for migraineurs that failed to respond to acute medications, e.g., fremanezumab, which achieves its analgesic effect via modulating Aσ-fibers, not C-fibers.
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Affiliation(s)
- Zhengyang Qu
- Acupuncture and Moxibustion Department, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Key Laboratory of Acupuncture Neuromodulation, Beijing, China
| | - Lu Liu
- Acupuncture and Moxibustion Department, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Key Laboratory of Acupuncture Neuromodulation, Beijing, China; Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yi Yang
- Department of History, University College London, London, UK
| | - Luopeng Zhao
- Acupuncture and Moxibustion Department, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Key Laboratory of Acupuncture Neuromodulation, Beijing, China; Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing, China
| | - Xiaobai Xu
- Acupuncture and Moxibustion Department, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Key Laboratory of Acupuncture Neuromodulation, Beijing, China
| | - Zhijuan Li
- Acupuncture and Moxibustion Department, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Key Laboratory of Acupuncture Neuromodulation, Beijing, China
| | - Yupu Zhu
- Acupuncture and Moxibustion Department, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Key Laboratory of Acupuncture Neuromodulation, Beijing, China
| | - Xianghong Jing
- Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiaoyu Wang
- Institute of Acupuncture and Moxibustion, China Academy of Chinese Medical Sciences, Beijing, China
| | - Claire Shuiqing Zhang
- School of Health and Biomedical Sciences, RMIT University, Melbourne, Victoria, Australia
| | - Marc Fisher
- Division of Stroke and Cerebrovascular Diseases, Department of Neurology, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Bin Li
- Acupuncture and Moxibustion Department, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Key Laboratory of Acupuncture Neuromodulation, Beijing, China
| | - Linpeng Wang
- Acupuncture and Moxibustion Department, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Key Laboratory of Acupuncture Neuromodulation, Beijing, China.
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8
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Williams AE, Miller MM, Bartley EJ, McCabe KM, Kerr KL, Rhudy JL. Impairment of Inhibition of Trigeminal Nociception via Conditioned Pain Modulation in Persons with Migraine Headaches. PAIN MEDICINE (MALDEN, MASS.) 2019; 20:1600-1610. [PMID: 30690591 PMCID: PMC7963204 DOI: 10.1093/pm/pny305] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
OBJECTIVE To assess conditioned pain modulation efficiency in persons with and without migraine headaches. DESIGN Cross-sectional assessment of experimental pain. SETTING University campus and surrounding community in a large Midwestern US city. SUBJECTS Twenty-three adults with and 32 without a history of migraine headaches participated in the study. Participants were mostly female (N = 40) with an average age of 23 years. METHODS Four electrocutaneous stimulations of the supraorbital branch of the left trigeminal nerve were delivered at 150% of an individually determined pain threshold. Conditioned pain modulation was assessed by applying a noxious counterstimulus (forearm ischemia) and delivering four more electrocutaneous stimulations. After each stimulation, pain and the nociceptive blink reflex were assessed. Depression and pain catastrophizing were assessed to control for the potential influence of these variables on pain modulation. RESULTS Participants with and without migraine headaches had similar baseline pain responsivity, without significant differences in pain report or nociceptive blink reflexes. Pain report was inhibited by conditioned pain modulation in both the migraine and control groups. However, unlike nonmigraine controls, participants with migraines did not exhibit an inhibition of nociceptive blink reflexes during the ischemia task. This pattern persisted after controlling for level of pain catastrophizing and depression. CONCLUSIONS Migraine sufferers exhibited impaired conditioned pain modulation of the nociceptive blink reflex, suggesting a deficiency in inhibition of trigeminal nociception, which may contribute to the development of migraine headaches.
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Affiliation(s)
- Amy E Williams
- Department of Psychiatry, Riley Child and Adolescent Psychiatry Clinic, Indiana University School of Medicine, Indiana University Health Physicians, Indianapolis, Indiana
| | - Megan M Miller
- Department of Psychology, Indiana University–Purdue University Indianapolis, Indianapolis, Indiana
| | - Emily J Bartley
- Department of Community Dentistry and Behavioral Science, Pain Research & Intervention Center of Excellence (PRICE), University of Florida, Gainesville, Florida
| | - Klanci M McCabe
- Section of Psychology, Division of Developmental and Behavioral Sciences, Children’s Mercy Kansas City, University of Missouri Kansas City School of Medicine, Kansas City, Missouri
| | - Kara L Kerr
- Department of Human Development and Family Science, Oklahoma State University, Tulsa, Oklahoma
- Laureate Institute for Brain Research, Tulsa, Oklahoma
| | - Jamie L Rhudy
- Department of Psychology, The University of Tulsa, Tulsa, Oklahoma, USA
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Abstract
Inhibitory pain modulation has been reported to be deficient in adults across different types of chronic pain, including migraine. To determine whether a similar phenomenon occurs in youth, we performed a quantitative sensory testing investigation in adolescents with migraine (N = 19). These patients were compared to healthy adolescents with (Fam-His; N = 20) or without (Healthy; N = 29) a family history of migraine (eg, first-degree relative with migraine). Subjects were first familiarized with the stimuli and visual analogue rating scales using graded noxious stimuli (0°C, 43-49°C range). These data were used to explore potential pain sensitivity differences between the groups. Pain inhibition was assessed by conditioned pain modulation (CPM), which used both suprathreshold heat pain (heat CPM) and pressure pain thresholds (pressure CPM) as the test stimuli before and during cold-water immersion (8°C). In response to the graded heat stimuli, Fam-His participants reported higher pain intensity ratings compared with patients with migraine, who in turn reported higher pain intensity ratings than the healthy controls (F = 3.6, [df = 2, 459], P = 0.027). For heat and pressure CPM, there was no significant group difference in the magnitude of CPM responses. Thus, adolescents with migraine and healthy adolescents have similar inhibitory pain modulation capability, despite having marked differences in pain sensitivity. Although Fam-His participants are asymptomatic, they demonstrate alterations in pain processing, which may serve as markers for prediction of migraine development.
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Nation KM, Dodick DW, Navratilova E, Porreca F. Sustained exposure to acute migraine medications combined with repeated noxious stimulation dysregulates descending pain modulatory circuits: Relevance to medication overuse headache. Cephalalgia 2018; 39:617-625. [DOI: 10.1177/0333102418804157] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Background Loss of conditioned pain modulation/diffuse noxious inhibitory controls has been demonstrated in patients with migraine and medication overuse headache. We hypothesized that exposure to acute migraine medications may lead to dysregulation of central pain modulatory circuits that could be revealed by evaluating diffuse noxious inhibitory controls and that prior noxious stimulus is required for a loss of the diffuse noxious inhibitory control response in rats exposed to these medications. Methods Rats were “primed” by continuous infusion of morphine or one of two doses of sumatriptan. Diffuse noxious inhibitory control was evaluated at the end of drug-priming (day 7) and again after sensory thresholds returned to baseline (day 21). The Randall-Selitto hindpaw pressure test was used as the test stimulus and forepaw capsaicin injection served as the conditioning stimulus. Results Morphine-primed rats showed opioid-induced hyperalgesia accompanied by a loss of diffuse noxious inhibitory controls on day 7. Sumatriptan-primed rats did not develop hyperalgesia or loss of diffuse noxious inhibitory controls on day 7. Morphine-primed and high-dose sumatriptan-primed rats only had a loss of diffuse noxious inhibitory control on day 21 if they received a capsaicin injection on day 7. Conclusions Prolonged exposure to migraine treatments followed by an acute nociceptive stimulation caused long-lasting alterations in descending pain modulation, shown by a loss of diffuse noxious inhibitory controls. Morphine was more detrimental than sumatriptan, consistent with clinical observations of higher medication overuse headache risk with opioids. These data suggest a mechanism of medication overuse headache by which migraine medications combined with repeated episodes of pain may amplify the consequences of nociceptor activation and increase the probability of future migraine attacks as well as risk of medication overuse headache.
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Affiliation(s)
- Kelsey M Nation
- Department of Pharmacology, University of Arizona, Tucson, AZ, USA
| | | | - Edita Navratilova
- Department of Pharmacology, University of Arizona, Tucson, AZ, USA
- Mayo Clinic, Scottsdale, AZ, USA
| | - Frank Porreca
- Department of Pharmacology, University of Arizona, Tucson, AZ, USA
- Mayo Clinic, Scottsdale, AZ, USA
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11
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Albusoda A, Ruffle JK, Friis KA, Gysan MR, Drewes AM, Aziz Q, Farmer AD. Systematic review with meta-analysis: conditioned pain modulation in patients with the irritable bowel syndrome. Aliment Pharmacol Ther 2018; 48:797-806. [PMID: 30206948 DOI: 10.1111/apt.14965] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 06/12/2018] [Accepted: 08/06/2018] [Indexed: 12/12/2022]
Abstract
BACKGROUND Irritable bowel syndrome (IBS) is common and is characterised by recurrent abdominal pain, which is a major contributor to healthcare seeking. The neurobiological basis of this pain is incompletely understood. Conditioned pain modulation is a neuromodulatory mechanism through which the brain inhibits the nociceptive afferent barrage through the descending pathways. Reduced conditioned pain modulation has been implicated in the pathophysiology of IBS, although to date only in studies with relatively small sample sizes. AIM To clarify the relationship between conditioned pain modulation and IBS by undertaking a systemic review and meta-analysis METHODS: A systematic review of MEDLINE and Web of Science databases was searched (up to 10 May 2018). We included studies examining conditioned pain modulation in adults with IBS and healthy subjects. Data were pooled for meta-analysis to calculate the odds ratio and effect size of abnormal conditioned pain modulation in IBS, with 95% confidence intervals (CI). RESULTS The search strategy identified 645 studies, of which 13 were relevant and 12 met the inclusion criteria. Conditioned pain modulation in IBS patients vs healthy subjects was significantly reduced, odds ratio 4.84 (95% CI: 2.19-10.71, P < 0.0001), Hedges' g effect size of 0.85 (95% CI: 0.42-1.28, P < 0.001). There was significant heterogeneity in effect sizes (Q-test χ2 = 52, P < 0.001, I2 = 78.8%) in the absence of publication bias. CONCLUSION Conditioned pain modulation is significantly diminished in patients with IBS vs healthy controls. These data suggest that abnormal descending pathways may play an important pathophysiological role in IBS, which could represent an investigation and a therapeutic target in IBS.
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Affiliation(s)
- Ahmed Albusoda
- Centre for Neuroscience and Trauma, Blizard Institute, Wingate Institute of Neurogastroenterology, Barts and the London School of Medicine & Dentistry, Queen Mary University of London, London, UK
| | - James K Ruffle
- Centre for Neuroscience and Trauma, Blizard Institute, Wingate Institute of Neurogastroenterology, Barts and the London School of Medicine & Dentistry, Queen Mary University of London, London, UK
| | | | | | - Asbjørn M Drewes
- Mech-Sense, Department of Gastroenterology and Clinical Medicine, Aalborg University Hospital, Aalborg, Denmark
| | - Qasim Aziz
- Centre for Neuroscience and Trauma, Blizard Institute, Wingate Institute of Neurogastroenterology, Barts and the London School of Medicine & Dentistry, Queen Mary University of London, London, UK
| | - Adam D Farmer
- Centre for Neuroscience and Trauma, Blizard Institute, Wingate Institute of Neurogastroenterology, Barts and the London School of Medicine & Dentistry, Queen Mary University of London, London, UK.,Department of Gastroenterology, University Hospitals Midlands NHS Trust, Stoke on Trent, Staffordshire, UK.,Institute of Applied Clinical Science, University of Keele, Keele, Staffordshire, UK
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12
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Quantitative sensory testing in patients with migraine: a systematic review and meta-analysis. Pain 2018; 159:1202-1223. [DOI: 10.1097/j.pain.0000000000001231] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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13
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You DS, Haney R, Albu S, Meagher MW. Generalized Pain Sensitization and Endogenous Oxytocin in Individuals With Symptoms of Migraine: A Cross-Sectional Study. Headache 2017; 58:62-77. [PMID: 29094347 DOI: 10.1111/head.13213] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2017] [Revised: 08/17/2017] [Accepted: 08/17/2017] [Indexed: 12/21/2022]
Abstract
OBJECTIVE The current study examined pain and neurogenic inflammation responses to topical capsaicin during the interictal period (between headache) and their relationship with plasma oxytocin in individuals with migraine. BACKGROUND Individuals with migraine can experience generalized (extracephalic) hyperalgesia, which can persist even between headache attacks. Elevated levels of plasma and cerebrospinal fluid oxytocin have been observed during migraine attacks, oxytocin levels being positively associated with the intensity of migraine symptoms. However, whether oxytocin plays a role in the mechanisms of generalized pain sensitization and neurogenic inflammation during the interictal period has not been studied yet. Understanding migraineurs' interictal pain phenotype and endogenous oxytocin might help identify individuals who would benefit from intranasal oxytocin treatment. METHODS Thirty-two subjects with migraine and 26 healthy controls underwent pain testing. The current study compared capsaicin-induced pain, central sensitization (areas of secondary mechanical allodynia and hyperalgesia), and neurogenic inflammation (capsaicin-induced flare) responses on the nondominant volar forearm between migraineurs and healthy controls. Additionally, we studied plasma oxytocin levels and their relationship to migraine symptoms, experimental pain and affect. RESULTS The results indicated a significant group effect (P = .019): Migraineurs reported greater capsaicin-induced pain unpleasantness (M = 1.2, SD = 1.4) on a 0-10 scale and showed larger areas of flare (LnM = 2.8, SD = 0.4) than healthy controls (M = 0.5, SD = 0.8; LnM = 2.6, SD = 0.4; ps < .032). In a subgroup analysis, enhanced capsaicin-induced pain unpleasantness was found in the chronic (P = .007), but not the episodic (Ps > .200), migraineurs. The oxytocin levels were elevated in migraineurs and accounted for 18% of the group difference in capsaicin-induced pain unpleasantness. Within migraineurs, interictal oxytocin levels were negatively associated with psychological distress (Ps < .030). However, during the interictal period, pain sensitivity in extracephalic regions and plasma oxytocin levels were unrelated to migraine symptom parameters (Ps > .074). Lastly, the results found no group difference in areas of secondary mechanical allodynia and hyperalgesia (Ps >.298). CONCLUSION The current study revealed that individuals with migraine exhibit enhanced extracephalic capsaicin-induced pain unpleasantness and flare responses during interictal periods. In addition, migraineurs, especially those with chronic migraine, had slightly elevated interictal oxytocin levels compared to controls, which was associated with their affective component of experimental pain. Therefore, treatment targeting affective pain during the interictal period may help to reduce generalized pain in migraine. Furthermore, endogenous increases in oxytocin may be a compensatory mechanism that may help decrease affective distress in migraineurs. The therapeutic effects of intranasal oxytocin may benefit migraineurs by reducing their affective distress.
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Affiliation(s)
- Dokyoung S You
- Department of Psychology, Texas A&M University, College Station, TX, USA
| | - Rachel Haney
- Department of Psychology, Texas A&M University, College Station, TX, USA
| | - Sergiu Albu
- Department of Psychology, Texas A&M University, College Station, TX, USA.,Texas A&M Institute of Neuroscience, Texas A&M University, College Station, TX, USA
| | - Mary W Meagher
- Department of Psychology, Texas A&M University, College Station, TX, USA.,Texas A&M Institute of Neuroscience, Texas A&M University, College Station, TX, USA
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14
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Psychophysical and Electrophysiological Evidence for Enhanced Pain Facilitation and Unaltered Pain Inhibition in Acute Low Back Pain Patients. THE JOURNAL OF PAIN 2017. [DOI: 10.1016/j.jpain.2017.05.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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15
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Guy N, Voisin D, Mulliez A, Clavelou P, Dallel R. Medication overuse reinstates conditioned pain modulation in women with migraine. Cephalalgia 2017; 38:1148-1158. [DOI: 10.1177/0333102417727545] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background This study investigated the effects of medication overuse and withdrawal on modulation of pain processing in women with migraine. Temporal summation of laser-evoked thermal pain was used to measure the effects of conditioned pain modulation. Methods 36 female participants (12 healthy volunteers, 12 with episodic migraine and 12 with medication overuse headache) were included in a two session protocol. Medication overuse headache subjects were also tested three weeks after medication overuse headache withdrawal. Mechanical and laser-evoked thermal pain thresholds were measured on the back of the non-dominant hand where, later, temporal summation of laser-evoked thermal pain to repetitive thermal stimuli was elicited for 30 min, at an intensity producing moderate pain. Between the 10th and 20th minutes, the contralateral foot was immersed into a water bath at a not painful (30℃) or painfully cold (8℃; conditioned pain modulation) temperature. Results Episodic migraine, medication overuse headache and medication overuse headache withdrawal were associated with an increase in extracephalic temporal summation of laser-evoked thermal pain as compared to healthy volunteer subjects, while there was no alteration of laser-evoked thermal and mechanical extracephalic pain thresholds in these subjects. Conditioned pain modulation was highly efficient in temporal summation of laser-evoked thermal pain in healthy volunteer subjects, with a solid post-effect (reduction of pain). Conditioned pain modulation was still present, but reduced, in episodic migraine. By contrast, conditioned pain modulation was normal in medication overuse headache and strongly reduced in medication overuse headache withdrawal. Furthermore, in medication overuse headache withdrawal, the post-effect was no longer a decrease, but a facilitation of pain. Conclusions These data show that a decrease in conditioned pain modulation does not underlie medication overuse headache in women. On the contrary, medication overuse reinstated conditioned pain modulation in female migraine patients. They also identify different phenotypes of pain modulation in migraine patients. Registration number N° 2008-A00471-54.
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Affiliation(s)
- Nathalie Guy
- Université Clermont Auvergne, Clermont-Ferrand, France
- CHU Clermont-Ferrand, Clermont-Ferrand, France
- Inserm U1107, Neuro-Dol, Clermont-Ferrand, France
| | - Daniel Voisin
- Neurocentre Magendie, Inserm U1215, Bordeaux, France
- Université de Bordeaux, Bordeaux, France
| | | | - Pierre Clavelou
- Université Clermont Auvergne, Clermont-Ferrand, France
- CHU Clermont-Ferrand, Clermont-Ferrand, France
- Inserm U1107, Neuro-Dol, Clermont-Ferrand, France
| | - Radhouane Dallel
- Université Clermont Auvergne, Clermont-Ferrand, France
- CHU Clermont-Ferrand, Clermont-Ferrand, France
- Inserm U1107, Neuro-Dol, Clermont-Ferrand, France
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16
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Richards JR, Lapoint JM, Burillo-Putze G. Cannabinoid hyperemesis syndrome: potential mechanisms for the benefit of capsaicin and hot water hydrotherapy in treatment. Clin Toxicol (Phila) 2017; 56:15-24. [DOI: 10.1080/15563650.2017.1349910] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- John R. Richards
- Department of Emergency Medicine, University of California Davis Medical Center, Sacramento, CA, USA
| | - Jeff M. Lapoint
- Department of Emergency Medicine, Southern California Permanente Medical Group, San Diego, CA, USA
| | - Guillermo Burillo-Putze
- Área de Toxicología Clínica, Servicio de Urgencias, Universidad Europea de Canarias, Tenerife, Spain
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17
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Hitomi S, Kross K, Kurose M, Porreca F, Meng ID. Activation of dura-sensitive trigeminal neurons and increased c-Fos protein induced by morphine withdrawal in the rostral ventromedial medulla. Cephalalgia 2016; 37:407-417. [DOI: 10.1177/0333102416648655] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Aims Overuse of medications used to treat migraine headache can increase the frequency of headaches. Sudden abstinence from migraine medication can also lead to a period of withdrawal-induced headaches. The aim of this study was to examine the effect of morphine withdrawal localized to the rostral ventromedial medulla (RVM) on the activity of dura-sensitive spinal trigeminal nucleus caudalis (Vc) neurons. Methods Rats were implanted with either morphine or placebo pellets for six to seven days before the microinjection of naloxone methiodide or phosphate-buffered saline into the RVM in urethane-anesthetized animals. Dura-sensitive neurons were recorded in the Vc and the production of c-Fos-like immunoreactivity was quantified. Results In chronic morphine-treated animals, naloxone methiodide microinjections produced a significant increase both in ongoing and facial heat-evoked activity and an increase in Fos-positive neurons in the Vc and in the nucleus reticularis dorsalis, a brainstem region involved in diffuse noxious inhibitory controls. Conclusions These results indicate that activation of pronociceptive neurons in the RVM under conditions of morphine withdrawal can increase the activity of neurons that transmit headache pain. Modulation of the subnucleus reticularis dorsalis by the RVM may explain the attenuation of conditioned pain modulation in patients with chronic headache.
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Affiliation(s)
- Suzuro Hitomi
- Division of Physiology, Kyushu Dental University, Japan
| | - Konrad Kross
- Center for Excellence in the Neurosciences, University of New England, USA
| | - Masayuki Kurose
- Division of Oral Physiology, Department of Oral Biological Sciences, Niigata University, Graduate School of Medical and Dental Sciences, Japan
| | - Frank Porreca
- Department of Pharmacology, College of Medicine, University of Arizona, Health Sciences Center, USA
| | - Ian D Meng
- Center for Excellence in the Neurosciences, University of New England, USA
- Department of Biomedical Sciences, College of Osteopathic Medicine, University of New England, USA
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18
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Neural Plasticity in Common Forms of Chronic Headaches. Neural Plast 2015; 2015:205985. [PMID: 26366304 PMCID: PMC4558449 DOI: 10.1155/2015/205985] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2015] [Accepted: 08/02/2015] [Indexed: 01/03/2023] Open
Abstract
Headaches are universal experiences and among the most common disorders. While headache may be physiological in the acute setting, it can become a pathological and persistent condition. The mechanisms underlying the transition from episodic to chronic pain have been the subject of intense study. Using physiological and imaging methods, researchers have identified a number of different forms of neural plasticity associated with migraine and other headaches, including peripheral and central sensitization, and alterations in the endogenous mechanisms of pain modulation. While these changes have been proposed to contribute to headache and pain chronification, some findings are likely the results of repetitive noxious stimulation, such as atrophy of brain areas involved in pain perception and modulation. In this review, we provide a narrative overview of recent advances on the neuroimaging, electrophysiological and genetic aspects of neural plasticity associated with the most common forms of chronic headaches, including migraine, cluster headache, tension-type headache, and medication overuse headache.
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Lerman IR, Chen JL, Hiller D, Souzdalnitski D, Sheean G, Wallace M, Barba D. Novel High-Frequency Peripheral Nerve Stimulator Treatment of Refractory Postherpetic Neuralgia: A Brief Technical Note. Neuromodulation 2015; 18:487-93; discussion 493. [PMID: 25832898 DOI: 10.1111/ner.12281] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2014] [Revised: 01/14/2015] [Accepted: 01/21/2015] [Indexed: 12/01/2022]
Abstract
OBJECTIVES The study aims to describe an ultrasound (US)-guided peripheral nerve stimulation implant technique and describe the effect of high-frequency peripheral nerve stimulation on refractory postherpetic neuralgia. MATERIALS AND METHODS Following a cadaver pilot trial using US and confirmatory fluoroscopic guidance, a 52-year-old man with refractory left supraorbital neuralgia underwent combined US and fluoroscopic-guided supraorbital peripheral nerve stimulator trial. The patient was subsequently implanted with a percutaneous lead over the left supraorbital and supratrochlear nerve utilizing a high-frequency stimulation paradigm. RESULTS At 9 months follow-up, the pain intensity had declined from a weekly average of 8/10 to 1/10 on the pain visual analog scale (VAS). After implant, both nerve conduction and blink reflex studies were performed, which demonstrated herpetic nerve damage and frequency-specific peripheral nerve stimulation effects. The patient preferred analgesia in the supraorbital nerve distribution accomplished with high-frequency paresthesia-free stimulation (HFS) at an amplitude of 6.2 mA, a frequency of 100-1200 Hz, and a pulse width of 130 μsec, to paresthesia-mediated pain relief associated with low-frequency stimulation. CONCLUSION We report the implant of a supraorbital peripheral nerve stimulating electrode that utilizes a high-frequency program resulting in sustained suppression of intractable postherpetic neuralgia.
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Affiliation(s)
| | | | - David Hiller
- University of California San Diego, San Diego, CA, USA
| | | | | | - Mark Wallace
- University of California San Diego, San Diego, CA, USA
| | - David Barba
- University of California San Diego, San Diego, CA, USA
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20
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Wohlrab J, Neubert RHH, Heskamp ML, Michael J. Cutaneous drug delivery of capsaicin after in vitro administration of the 8% capsaicin dermal patch system. Skin Pharmacol Physiol 2014; 28:65-74. [PMID: 25277470 DOI: 10.1159/000362740] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2013] [Accepted: 04/05/2014] [Indexed: 11/19/2022]
Abstract
OBJECTIVE Epicutaneous application of capsaicin causes a long-lasting analgesic effect by binding to the membrane transient receptor potential vanilloid 1 (TRPV1) on mechanoheat-sensitive C and Aδ fibres, changing axonal integrity and inhibiting neurogenic inflammatory processes. To date, no information is available regarding the cutaneous drug delivery of capsaicin following patch application. METHODS Using a Franz diffusion cell, the cutaneous concentration-time profiles 30, 60 and 90 min after application of a patch containing 8% capsaicin (640 µg/cm(2)) on ex vivo thin (mamma) and thick (plantar) human skin were investigated at 32 °C, and additionally at 42 °C for thin skin and 10 °C for thick skin. An HPLC-MS method was used for the analytic detection of capsaicin. RESULTS The results show that already after a 30-min application of the 8% capsaicin patch, an equilibrium reservoir can be found in the stratum corneum in both thick and thin skin. Under physiological temperature conditions, a sufficient bioavailability of capsaicin in the cutaneous target compartments can be found. Raising the temperature to 42 °C has no relevant impact on the concentration-time profile, while reducing the temperature to 10°C leads to a significantly lower bioavailability. CONCLUSION After 30 min of application, a sufficient cutaneous bioavailability of capsaicin is reached in thick as well as thin skin. Whether shorter application times may suffice to achieve therapeutic effectiveness requires further investigation.
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Affiliation(s)
- Johannes Wohlrab
- Department of Dermatology and Venereology, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
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21
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Boyer N, Dallel R, Artola A, Monconduit L. General trigeminospinal central sensitization and impaired descending pain inhibitory controls contribute to migraine progression. Pain 2014; 155:1196-1205. [PMID: 24631586 DOI: 10.1016/j.pain.2014.03.001] [Citation(s) in RCA: 115] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2013] [Revised: 02/10/2014] [Accepted: 03/04/2014] [Indexed: 12/22/2022]
Abstract
Migraine is a chronic disease with episodic manifestations. In a subgroup, attack frequency increases over time, leading to chronic migraine. One of the most important risk factors for migraine progression is frequency of headache attacks at baseline. Unfortunately, the actual effects of repeated activation of dural nociceptors are poorly known. We investigated the behavioral, anatomical, and electrophysiological changes induced by repeated low- and high-intensity stimulation of meningeal nociceptor by injecting an inflammatory soup in rats. Single high-intensity, but not low-intensity, stimulation produces a reversible cephalic allodynia. Upon repetition, however, low-intensity stimulation, too, induces a reversible cephalic allodynia, and high-intensity, reversible cephalic and extracephalic allodynia. Moreover, cephalic allodynia becomes, in part, persistent upon repeated high-intensity stimulation. Fos expression reveals that a single high-intensity stimulation already leads to widespread, trigeminal, and spinal central sensitization, and that such general central sensitization potentiates upon repetition. Trigeminovascular nociceptive neurons become persistently sensitized and their diffuse noxious inhibitory controls (DNIC) concomitantly impaired. Thus, compared with single stimulation, repeated dural nociceptor activation specifically leads to: 1) a gradual worsening of cutaneous hypersensitivity and general neuronal hyperexcitability and 2) spreading of cutaneous hypersensitivity superimposed on 3) persistent cephalic cutaneous hypersensitivity and trigeminal central sensitization. Such repetition-induced development of central sensitization and its consequence, cutaneous allodynia, may arise from both the general neuronal hyperexcitability that results from DNIC impairment and hyperexcitability that likely develops in trigeminal nociceptive neurons in response to their repetitive activation. These neuronal changes may in turn elevate the risk for developing chronic migraine.
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Affiliation(s)
- Nelly Boyer
- Clermont Université, Université d'Auvergne, Neuro-Dol, Clermont-Ferrand, France Institut National de la Santé et de la Recherche Médicale (INSERM) U1107, Clermont-Ferrand F-63003, France Centre Hospitalier Universitaire (CHU) Clermont-Ferrand, Service d'Odontologie, Clermont-Ferrand F-63003, France
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22
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Teepker M, Kunz M, Peters M, Kundermann B, Schepelmann K, Lautenbacher S. Endogenous pain inhibition during menstrual cycle in migraine. Eur J Pain 2014; 18:989-98. [DOI: 10.1002/j.1532-2149.2013.00444.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/22/2013] [Indexed: 11/11/2022]
Affiliation(s)
- M. Teepker
- Department of Neurology; Philipps-University of Marburg; Germany
| | - M. Kunz
- Department of Physiological Psychology; University of Bamberg; Germany
| | - M. Peters
- Department of Physiological Psychology; University of Bamberg; Germany
- Department of Child and Adolescent Psychiatry; Philipps-University of Marburg; Germany
| | - B. Kundermann
- Department of Psychiatry and Psychotherapy; Philipps-University of Marburg; Germany
| | - K. Schepelmann
- Department of Neurology; Philipps-University of Marburg; Germany
- Department of Neurology; Schlei-Klinikum Schleswig MLK; Germany
| | - S. Lautenbacher
- Department of Physiological Psychology; University of Bamberg; Germany
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23
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Ness TJ, Lloyd LK, Fillingim RB. An endogenous pain control system is altered in subjects with interstitial cystitis. J Urol 2013; 191:364-70. [PMID: 23973521 DOI: 10.1016/j.juro.2013.08.024] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/13/2013] [Indexed: 12/30/2022]
Abstract
PURPOSE Multiple studies have demonstrated that in healthy subjects, painful stimuli applied to one part of the body inhibit pain sensation in other parts of the body, a phenomenon referred to as conditioned pain modulation. Conditioned pain modulation is related to the presence of endogenous pain control systems. Studies have demonstrated deficits in conditioned pain modulation associated inhibition in many but not all chronic pain disorders. In this study we determine whether conditioned pain modulation is altered in subjects with interstitial cystitis/bladder pain syndrome. MATERIALS AND METHODS Female subjects with and without the diagnosis of interstitial cystitis/bladder pain syndrome were studied psychophysically using quantitative cutaneous thermal, forearm ischemia and ice water immersion tests. Conditioned pain modulation was assessed by quantifying the effects of immersion of the hand in ice water (conditioning stimulus) on threshold and tolerance of cutaneous heat pain (test stimulus) applied to the contralateral lower extremity. RESULTS The conditioned pain modulation responses of the subjects with interstitial cystitis/bladder pain syndrome were statistically different from those of healthy control subjects for cutaneous thermal threshold and tolerance measures. Healthy control subjects demonstrated statistically significant increases in thermal pain tolerance whereas subjects with the diagnosis of interstitial cystitis/bladder pain syndrome demonstrated statistically significant reductions in thermal pain tolerance. CONCLUSIONS An endogenous pain inhibitory system normally observed with conditioned pain modulation was altered in subjects with interstitial cystitis/bladder pain syndrome. This finding identifies interstitial cystitis/bladder pain syndrome as similar to several other chronic pain disorders such as fibromyalgia and irritable bowel syndrome, and suggests that a deficit in endogenous pain inhibitory systems may contribute to such chronic pain disorders.
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Affiliation(s)
- Timothy J Ness
- Department of Anesthesiology, University of Alabama at Birmingham, Birmingham, Alabama.
| | - L Keith Lloyd
- Department of Urology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Roger B Fillingim
- University of Florida College of Dentistry and Gainesville Veterans Affairs Medical Center, Gainesville, Florida
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de Tommaso M, Vecchio E. Primary headaches and trigeminal neuralgia: neuropathic pain yes or not? Evidences from neurophysiological procedures. Expert Rev Neurother 2013; 13:1031-9. [PMID: 23952254 DOI: 10.1586/14737175.2013.827475] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Despite the fact that neurophysiological evaluation is not useful for primary headache diagnosis, the nociceptive system exploration through reflexes and evoked potentials procedures may give an aid in understanding the pathophysiological mechanism subtending pain. Neuropathic pain is caused by a lesion or disease of the somatosensory nervous system, which is supported by clinical evaluation and instrumental assessment by trigeminal and nociceptive reflexes and laser evoked potentials. The same methods, applied to migraine and cluster headache, together with evidences coming from structural and functional neuroimaging, excluded the neuropathic origin of pain, which is attaining to symptomatic and idiopathic trigeminal neuralgia, but confirmed a complex dysfunction of pain processing. Tension-type headache fits with a model of non-nociceptive and non-neuropathic pain, subtended by a complex interaction of peripheral muscular and central neuronal factors. The presence of altered modulation of pain concurs with migraine and tension-type headache, and should be taken into account for the choice of the best therapeutic approach.
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Affiliation(s)
- Marina de Tommaso
- Department of Basic Medical Sciences, Neurophysiopathology of Pain, Neuroscience and Sensory System (SMBNOS) Bari Aldo Moro University, Bari, Italy
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Shibata M. [Pathophysiology of migraine chronification]. Rinsho Shinkeigaku 2013; 23:1220-1222. [PMID: 24291936 DOI: 10.5692/clinicalneurol.53.1220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
In approximately 3% of migraineurs, migraine evolves into more protracted and severe conditions annually. Meanwhile, approximately 26% of chronic migraine cases regain the episodic nature of migraine headaches in two years. The prevalence of chronic migraine is estimated to be approximately 1%. Although the pathophysiology of migraine chronification is poorly understood, several studies have demonstrated abnormalities in pain processing mechanisms. Of note, the descending pain inhibitory system has been found to be defective in chronic migraine patients. Topiramate appears to ameliorate the disease conditions by correcting such abnormalities in the pain processing mechanisms. Neurogenic inflammation around the dural trigeminal afferents is known to play an important role in the generation of migraine attacks. Botulinum neurotoxins inhibit regulated exocytosis at the nerve terminals by cleaving the SNARE protein, SNAP25. As a result, release of migraine-related neuropeptides, calcitonin gene-related peptide and substance P, is reduced. Moreover, the insertion of transient receptor potential vanilloid subfamily, member 1 (TRPV1) into the plasma membrane is hindered by BoNT-A. We have demonstrated that the inability of TRPV1 to translocate to the plasma membrane results in its proteasome-mediated degradation within the trigeminal ganglion neurons, which may be relevant to the efficacy of BoNT-A against chronic migraine.
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Affiliation(s)
- Mamoru Shibata
- Department of Neurology, School of Medicine, Keio University
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Headache Frontiers: Using Magnetoencephalography to Investigate Pathophysiology of Chronic Migraine. Curr Pain Headache Rep 2012; 17:309. [DOI: 10.1007/s11916-012-0309-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Conditioned Pain Modulation in Populations With Chronic Pain: A Systematic Review and Meta-Analysis. THE JOURNAL OF PAIN 2012; 13:936-44. [DOI: 10.1016/j.jpain.2012.07.005] [Citation(s) in RCA: 314] [Impact Index Per Article: 26.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2012] [Revised: 06/26/2012] [Accepted: 07/19/2012] [Indexed: 02/02/2023]
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Tajti J, Szok D, Párdutz Á, Tuka B, Csáti A, Kuris A, Toldi J, Vécsei L. Where does a migraine attack originate? In the brainstem. J Neural Transm (Vienna) 2012; 119:557-68. [PMID: 22426834 DOI: 10.1007/s00702-012-0788-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2011] [Accepted: 03/03/2012] [Indexed: 11/27/2022]
Abstract
Migraine is a common, paroxysmal, highly disabling primary headache disorder. The origin of migraine attacks is enigmatic. Numerous clinical and experimental results suggest that the activation of distinct brainstem nuclei is crucial in its pathogenesis, but the primary cause of this activation is not fully understood. We conclude that the initialization of a migraine attack can be explained as an altered function of the neuronal elements of the brainstem nuclei. In light of our findings and the literature data, we can assume that migraine is a subcortical disorder of a specific brainstem area.
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Affiliation(s)
- J Tajti
- Department of Neurology, Albert Szent-Györgyi Clinical Centre, University of Szeged, Semmelweis u. 6, Szeged 6725, Hungary
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Diffuse noxious inhibitory control evoked by tonic craniofacial pain in humans. Eur J Pain 2012; 15:139-45. [DOI: 10.1016/j.ejpain.2010.06.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2010] [Revised: 06/02/2010] [Accepted: 06/08/2010] [Indexed: 11/18/2022]
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Defrin R, Gruener H, Schreiber S, Pick CG. Quantitative somatosensory testing of subjects with Chronic Post Traumatic Headache-Response to the letter by Chua et al. Eur J Pain 2012. [DOI: 10.1016/j.ejpain.2011.03.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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de Tommaso M, Santostasi R, Devitofrancesco V, Franco G, Vecchio E, Delussi M, Livrea P, Katzarava Z. A comparative study of cortical responses evoked by transcutaneous electrical vs CO2 laser stimulation. Clin Neurophysiol 2011; 122:2482-7. [DOI: 10.1016/j.clinph.2011.05.006] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2011] [Revised: 05/03/2011] [Accepted: 05/05/2011] [Indexed: 11/16/2022]
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Robbins A, Schmitt D, Winterson BJ, Meng ID. Chronic morphine increases Fos-positive neurons after concurrent cornea and tail stimulation. Headache 2011; 52:262-73. [PMID: 21929659 DOI: 10.1111/j.1526-4610.2011.01999.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE The aim of the present study was to examine the effect of chronic morphine exposure on diffuse noxious inhibitory controls in a large population of neurons throughout the medullary dorsal horn, as assessed using immunocytochemistry for c-Fos protein. BACKGROUND Overuse of medications, including the opioids, to treat migraine headache can lead to progressively more frequent headaches. In addition, chronic daily headache sufferers and chronic opioid users both lack the inhibition of pain produced by noxious stimulation of a distal body region, often referred to as diffuse noxious inhibitory controls. METHODS In urethane anesthetized rats, Fos-positive neurons were quantified in chronic morphine and vehicle-treated animals following 52°C noxious thermal stimulation of the cornea with and without the application of a spatially remote noxious stimulus (placement of the tail in 55°C water). RESULTS When compared to chronic morphine-treated animals that did not receive the spatially remote noxious stimulus, chronic morphine-treated animals given corneal stimulation along with the spatially remote noxious stimulus demonstrated a 163% increase (P < .05) in the number of Fos-positive neurons in the superficial laminae of the medullary dorsal horn and a 682% increase (P < .01) in deep laminae that was restricted to the side ipsilateral to the applied stimulus. In contrast, no significant difference was found in Fos-like immunoreactivity in vehicle-treated animals given concurrent cornea and tail stimulation or only cornea stimulation in either superficial or deep laminae. CONCLUSIONS It is proposed that an increase in descending facilitation and subsequent loss of diffuse noxious inhibitory controls contributes to the development of medication overuse headache.
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Affiliation(s)
- Ashlee Robbins
- Department of Biomedical Sciences, College of Osteopathic Medicine, University of New England, Biddeford, ME, USA
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Persistent medication-induced neural adaptations, descending facilitation, and medication overuse headache. Curr Opin Neurol 2011; 24:193-6. [PMID: 21467931 DOI: 10.1097/wco.0b013e328346af25] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
PURPOSE OF REVIEW An impediment to the investigation of mechanisms that drive headache is the inability of preclinical models to measure headache. Migraine attacks are associated with the development of cutaneous allodynia in some patients. Such cutaneous allodynia suggests a state of 'central sensitization' of pain transmission pathways and may additionally reflect the engagement of descending facilitation from pain modulatory circuits. For this reason, cutaneous allodynia has been measured in animal models as a surrogate of marker that may be relevant to headache. Overuse of antimigraine medications can promote an increase in the frequency and intensity of headache, a syndrome termed medication overuse headache (MOH). The mechanisms leading to MOH are not known, but may involve the processes of amplification including central sensitization and descending facilitation. This review explores potential mechanistic insights that have emerged from such studies and that could contribute to MOH. RECENT FINDINGS Development of MOH has been recently associated with long-lasting adaptive changes that occur within the peripheral and central nervous systems. Preclinical studies have shown that repeated or continuous treatment with antimigraine drugs result in persistent upregulation of neurotransmitters within the orofacial division of the trigeminal ganglia and in development of cutaneous allodynia in response to migraine triggers, even weeks after discontinuation of the antimigraine drug. Additionally, descending facilitation is critical for the expression of cutaneous allodynia and may mask the expression of diffuse noxious inhibitory controls. SUMMARY Medication-induced persistent pronociceptive adaptations might be responsible for lowering the threshold and amplifying the response to migraine triggers leading to increased frequency of headache attacks.
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Meng ID, Dodick D, Ossipov MH, Porreca F. Pathophysiology of medication overuse headache: insights and hypotheses from preclinical studies. Cephalalgia 2011; 31:851-60. [PMID: 21444643 DOI: 10.1177/0333102411402367] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
INTRODUCTION Medication overuse headache (MOH) is a clinical concern in the management of migraine headache. MOH arises from the frequent use of medications used for the treatment of a primary headache. Medications that can cause MOH include opioid analgesics as well as formulations designed for the treatment of migraine, such as triptans, ergot alkaloids, or drug combinations that include caffeine and barbiturates. LITERATURE REVIEW Gathering evidence indicates that migraine patients are more susceptible to development of MOH, and that prolonged use of these medications increases the prognosis for development of chronic migraine, leading to the suggestion that similar underlying mechanisms may drive both migraine headache and MOH. In this review, we examine the link between several mechanisms that have been linked to migraine headache and a potential role in MOH. For example, cortical spreading depression (CSD), associated with migraine development, is increased in frequency with prolonged use of topiramate or paracetamol. CONCLUSIONS Increased CGRP levels in the blood have been linked to migraine and elevated CGRP can be casued by prolonged sumatriptan exposure. Possible mechanisms that may be common to both migraine and MOH include increased endogenous facilitation of pain and/or diminished diminished endogenous pain inhibition. Neuroanatomical pathways mediating these effects are examined.
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Abstract
Medication-overuse headache (MOH) is a syndrome that can develop in migraineurs after overuse of antimigraine drugs, including opiates and triptans especially. MOH manifests as increased frequency and intensity of migraine attacks and enhanced sensitivity to stimuli that elicit migraine episodes. Although the mechanisms underlying MOH remain unknown, it is hypothesized that repeated use of antimigraine drugs could elicit increased headache attacks as a consequence of neuronal plasticity that may increase responsiveness to migraine triggers. Preclinical studies show that exposure to either opiates or triptans can induce pronociceptive neuroadaptive changes in the orofacial division of the trigeminal ganglia that persist even after discontinuation of the drug treatment. Additionally, medications can elicit increased descending facilitatory influences that may amplify evoked inputs from trigeminal afferents leading to behavioral hypersensitivity reminiscent of cutaneous allodynia observed clinically. Importantly, enhanced descending facilitation may manifest as an inhibition of diffuse noxious inhibitory control. Persistent, pronociceptive adaptations in nociceptors as well as within descending modulatory pathways thus may jointly contribute to the development of MOH.
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Affiliation(s)
- Milena De Felice
- Department of Pharmacology, College of Medicine, University of Arizona, 1501 North Campbell Avenue, Tucson, AZ 85724-5050, USA.
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Knudsen L, Drummond PD. Cutaneous limb inflammation produces analgesia to pressure pain in the ipsilateral forehead of healthy volunteers. THE JOURNAL OF PAIN 2010; 12:451-9. [PMID: 21167793 DOI: 10.1016/j.jpain.2010.10.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2010] [Revised: 08/30/2010] [Accepted: 10/20/2010] [Indexed: 10/18/2022]
Abstract
UNLABELLED To investigate the pain-modulatory effects of a local inflammatory stimulus on pain elsewhere in the body, capsaicin was applied topically to the forearm of 14 healthy female volunteers. Pressure-pain thresholds and sensitivity to sharpness were assessed on each side of the forehead twice per day during 48 hours of capsaicin treatment, and in the treated and contralateral forearm before and at the end of treatment. Heat was applied to the treated area to rekindle pain at times of forehead assessment. Hyperalgesia to sharpness, but not pressure pain, developed in the treated area whereas sensations remained stable in the contralateral forearm. Sharpness ratings decreased bilaterally in the forehead after 6 hours of treatment, and ipsilateral analgesia to pressure pain developed in the forehead when the capsaicin site was heated after 48 hours of treatment. These findings suggest that pain modulation involves unilateral regulatory mechanisms in addition to local and generalized pain control. The dissociated changes to sharpness and pressure pain indicate distinct cutaneous and deep central pain pathways. PERSPECTIVE The findings lend support to an increasing body of research which demonstrates that pain modulation involves hemilateral mechanisms in addition to local and generalized controls. Elucidation of mechanisms that modulate ipsilateral pain processing may help to clarify the pathophysiology of complex regional pain syndrome, which is characterized by hemilateral hyperalgesia.
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Affiliation(s)
- Lone Knudsen
- School of Psychology, Murdoch University, Perth, Western Australia.
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Chen WT, Wang SJ, Fuh JL, Lin CP, Ko YC, Lin YY. Persistent ictal-like visual cortical excitability in chronic migraine. Pain 2010; 152:254-258. [PMID: 21145169 DOI: 10.1016/j.pain.2010.08.047] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2010] [Revised: 08/30/2010] [Accepted: 08/31/2010] [Indexed: 11/26/2022]
Abstract
Episodic migraine (EM) may evolve into the more disabling chronic migraine (CM, monthly migraine days ≥ 8 and headache days ≥ 15) with unknown mechanism. Aiming to elucidate the pathophysiology of CM and its relationship with EM, this study characterized the visual cortical responses in CM and EM. Neuromagnetic visual-evoked responses to left-hemifield checkerboard reversals were obtained in patients with EM (interictal or ictal states), CM (interictal) and age-matched controls. For each subject, the 1500 evoked responses were sequentially divided into 30 blocks and percentage changes of P100m amplitude in blocks 2, 9, 16, 23, and 30 compared to the first block were computed to assess habituation. At the end of visual stimulation (block 30), P100m amplitude was decreased (habituated) in the controls (n=32) (35.2±2.6nAm vs. 41.9±2.7, p=0.005) but increased (potentiated) in the interictal state of EM (n=29) (39.7±3.8 vs. 33.5±3.0, p=0.007). In CM (n=25), P100m was habituated (46.5±2.9 vs. 51.6±3.7, p=0.013) but higher at the initial block than in those of the interictal state of EM (p=0.001). These CM features also characterized the P100m in the ictal state of EM (n=9). There was no difference of P100m between CM and ictal state of EM. In conclusion, patients with CM demonstrate a persistent ictal-like excitability pattern of the visual cortex between migraine attacks which may implicate central inhibitory dysfunction.
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Affiliation(s)
- Wei-Ta Chen
- Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan School of Medicine, National Yang-Ming University, Taipei, Taiwan Institute of Brain Science, National Yang-Ming University, Taipei, Taiwan Institute of Neuroscience, National Yang-Ming University, Taipei, Taiwan Department of Ophthalmology, Taipei Veterans General Hospital, Taipei, Taiwan Department of Medical Research and Education, Taipei Veterans General Hospital, Taipei, Taiwan
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Sustained morphine-induced sensitization and loss of diffuse noxious inhibitory controls in dura-sensitive medullary dorsal horn neurons. J Neurosci 2010; 29:15828-35. [PMID: 20016098 DOI: 10.1523/jneurosci.3623-09.2009] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Overuse of medications used to treat migraine headache can produce a chronic daily headache, termed medication overuse headache (MOH). Although "overuse" of opioids, triptans, and over-the-counter analgesics can all produce MOH, the neuronal mechanisms remain unknown. Headache pain is likely to be produced by stimulation of primary afferent neurons that innervate the intracranial vasculature and the resulting activation of medullary dorsal horn (MDH) neurons. The present study compared the receptive field properties of MDH dura-sensitive neurons in rats treated with morphine to those given vehicle. Animals were implanted with osmotic minipumps or pellets for sustained subcutaneous administration of morphine or vehicle 6-7 d before recording from dura-sensitive neurons. Electrical and mechanical activation thresholds from the dura were significantly lower in chronic morphine-treated animals when compared to vehicle controls. In addition, sustained morphine increased the cutaneous receptive field sizes. The presence of diffuse noxious inhibitory controls (DNICs) was examined by placing the tail in 55 degrees C water during concomitant noxious thermal stimulation of the cutaneous receptive field, usually located in the ophthalmic region. The DNIC stimulus produced significant inhibition of heat-evoked activity in vehicle- but not chronic morphine-treated animals. Inactivation of the rostral ventromedial medulla with 4% lidocaine reinstated DNICs in chronic morphine-treated animals. These results are consistent with studies demonstrating a loss of DNICs in patients that suffer from chronic daily headache and may partially explain why overuse of medication used to treat migraine can induce headaches.
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Coppola G, Currà A, Serrao M, Di Lorenzo C, Gorini M, Porretta E, Alibardi A, Parisi V, Pierelli F. Lack of cold pressor test-induced effect on visual-evoked potentials in migraine. J Headache Pain 2009; 11:115-21. [PMID: 20012123 PMCID: PMC3452283 DOI: 10.1007/s10194-009-0177-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2009] [Accepted: 11/19/2009] [Indexed: 11/29/2022] Open
Abstract
In patients with migraine, the various sensory stimulation modalities, including visual stimuli, invariably fail to elicit the normal response habituation. Whether this lack of habituation depends on abnormal activity in the sub-cortical structures responsible for processing incoming information as well as nociception and antinociception or on abnormal cortical excitability per se remains debateable. To find out whether inducing tonic pain in the hand by cold pressure test (CPT) alters the lack of visual-evoked potential (VEP) habituation in migraineurs without aura studied between attacks we recorded VEPs in 19 healthy subjects and in 12 migraine patients during four experimental conditions: baseline; no-pain (hand held in warm water, 25°C); pain (hand held in cold water, 2–4°C); and after-effects. We measured P100 amplitudes from six blocks of 100 sweeps, and assessed habituation from amplitude changes between the six sequential blocks. In healthy subjects, the CPT decreased block 1 VEP amplitude and abolished the normal VEP habituation (amplitude decrease to repeated stimulation) in patients with migraine studied between attacks; it left block 1 VEP amplitude and abnormal VEP habituation unchanged. These findings suggest that the interictal cortical dysfunction induced by migraine prevents the cortical changes induced by tonic painful stimulation both during pain and after pain ends. Because such cortical changes presumably reflect plasticity mechanisms in the stimulated cortex, our study suggests altered plasticity of sensory cortices in migraine. Whether this abnormality reflects abnormal functional activity in the subcortical structures subserving tonic pain activation remains conjectural.
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Affiliation(s)
- Gianluca Coppola
- Department of Neurophysiology of Vision and Neurophthalmology, G. B. Bietti Eye Foundation, IRCCS, Via Livenza 3, Rome, Italy.
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Vargas BB. Chronic migraine: Current pathophysiologic concepts as targets for treatment. Curr Pain Headache Rep 2009; 13:64-6. [DOI: 10.1007/s11916-009-0013-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Affiliation(s)
- Marina de Tommaso
- Neurophysiopathology of Pain Unit, Department of Neurological and Psychiatric Sciences, University of Bari, Italy
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Leon-Sarmiento FE, Schroeder N, Ruiz S. The capsaicin-blink reflex linkage in chronic migraine revisited. Cephalalgia 2008; 28:676-7; author reply 677-8. [PMID: 18422715 DOI: 10.1111/j.1468-2982.2008.01594_1.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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