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Lakhan SE, Avramut M, Tepper SJ. Structural and functional neuroimaging in migraine: insights from 3 decades of research. Headache 2012; 53:46-66. [PMID: 23094683 DOI: 10.1111/j.1526-4610.2012.02274.x] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Modern imaging methods provide unprecedented insights into brain structure, perfusion, metabolism, and neurochemistry, both during and between migraine attacks. Neuroimaging investigations conducted in recent decades bring us closer to uncovering migraine as a multifaceted, primarily central nervous system disorder. Three main categories of structural and functional brain changes are described in this review, corresponding to the migrainous aura, ictal headache, and interictal states. These changes greatly advance our understanding of multiple pathophysiologic underpinnings of migraine, from central "migraine generating" loci, to cortical spreading depression, intimate mechanisms underlying activation of neuronal pain pathways in vulnerable patients, central sensitization, and chronification. Structural imaging begins to explain the complex connections between migraine and cerebral vascular events, white matter lesions, grey matter density alterations, iron deposition, and microstructural brain damage. Selected structural and functional alterations of brain structures, as identified with imaging methods, may represent the foundation of new diagnostic strategies and serve as markers of therapeutic efficacy.
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Affiliation(s)
- Shaheen E Lakhan
- From the Center for Headache and Pain, Neurological Institute, Cleveland Clinic, Cleveland, OH, USA (S.E. Lakhan and S.J. Tepper); Biosciences Department, Global Neuroscience Initiative Foundation, Beverly Hills, CA, USA (S.E. Lakhan and M. Avramut)
| | - Mihaela Avramut
- From the Center for Headache and Pain, Neurological Institute, Cleveland Clinic, Cleveland, OH, USA (S.E. Lakhan and S.J. Tepper); Biosciences Department, Global Neuroscience Initiative Foundation, Beverly Hills, CA, USA (S.E. Lakhan and M. Avramut)
| | - Stewart J Tepper
- From the Center for Headache and Pain, Neurological Institute, Cleveland Clinic, Cleveland, OH, USA (S.E. Lakhan and S.J. Tepper); Biosciences Department, Global Neuroscience Initiative Foundation, Beverly Hills, CA, USA (S.E. Lakhan and M. Avramut)
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102
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Rotstein DL, Aviv RI, Murray BJ. Migraine with aura associated with unilateral cortical increase in vascular permeability. Cephalalgia 2012; 32:1216-9. [DOI: 10.1177/0333102412462286] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background: Few studies to date have captured perfusion and vascular permeability changes during a migraineur’s aura. This may be important information to the clinician in the context of the differential diagnosis of migraine with aura versus acute stroke. Summary: We report a case in which magnetic resonance perfusion during a migraine aura showed unilateral hypoperfusion differentially affecting gray and white matter and was associated with a hemispheric increase in permeability. Conclusions: Imaging in this case suggests that migraine aura is associated with oligemia below the threshold for infarction. Increased vascular permeability may be a critical mechanism contributing to perfusion changes observed in migraine with aura.
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Affiliation(s)
- DL Rotstein
- Division of Neurology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Canada
| | - RI Aviv
- Division of Neuroradiology Department of Medical Imaging, Sunnybrook Health Sciences Centre, University of Toronto, Canada
| | - BJ Murray
- Division of Neurology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Canada
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103
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Yuan K, Qin W, Liu P, Zhao L, Yu D, Zhao L, Dong M, Liu J, Yang X, von Deneen KM, Liang F, Tian J. Reduced fractional anisotropy of corpus callosum modulates inter-hemispheric resting state functional connectivity in migraine patients without aura. PLoS One 2012; 7:e45476. [PMID: 23029036 PMCID: PMC3454437 DOI: 10.1371/journal.pone.0045476] [Citation(s) in RCA: 92] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2012] [Accepted: 08/20/2012] [Indexed: 02/05/2023] Open
Abstract
Background Diffusion tensor imaging (DTI) study revealed reduced fractional anisotropy (FA) values in the corpus callosum (CC) in migraine patients without aura. Abnormalities in white matter integrity, particularly in the CC, may affect inter-hemispheric resting state functional connectivity (RSFC). Unfortunately, relatively little is known about the alterations in functional interactions between the cerebral hemispheres during resting state in migraine patients without aura, and even less about how the inter-hemispheric RSFC are affected by the abnormalities of the CC. Methods and findings Twenty-one migraine patients without aura and 21 healthy controls participated in this study, age-, sex-, and education-matched. Tract-based spatial statistics (TBSS) was employed to investigate the white matter alterations of the CC. Meanwhile, voxel-mirrored homotopic connectivity (VMHC) was used to compare the inter-hemispheric RSFC differences between the patients and controls. TBSS analysis revealed reduced FA values in the genu and the splenium of CC in patient group. VMHC analysis showed decreased inter-hemispheric RSFC of anterior cingulate cortex (ACC) in migraine patients without aura relative to that of the controls. Furthermore, in migraine patients without aura, the reduced FA values of the genu of CC correlated with the decreased inter-hemispheric RSFC of the ACC. Conclusions Our findings demonstrated that the migraine patients without aura showed reduced FA values of the genu of CC and decreased inter-hemispheric RSFC of the ACC. The correlation between the above structural and functional changes suggested that the reduced fractional anisotropy (FA) of CC modulates inter-hemispheric VMHC in migraine patients without aura. Our results demonstrated that the VMHC alterations of ACC can reflect the FA changes of the genu of CC in migraine patients without aura.
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Affiliation(s)
- Kai Yuan
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi’an, Shaanxi, China
| | - Wei Qin
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi’an, Shaanxi, China
- * E-mail: (JT); (WQ)
| | - Peng Liu
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi’an, Shaanxi, China
| | - Ling Zhao
- The 3rd Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Dahua Yu
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi’an, Shaanxi, China
- Information Processing Laboratory, School of Information Engineering, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia, China
| | - Limei Zhao
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi’an, Shaanxi, China
| | - Minghao Dong
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi’an, Shaanxi, China
| | - Jixin Liu
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi’an, Shaanxi, China
| | - Xuejuan Yang
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi’an, Shaanxi, China
| | - Karen M. von Deneen
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi’an, Shaanxi, China
| | - Fanrong Liang
- The 3rd Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Jie Tian
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi’an, Shaanxi, China
- Institute of Automation, Chinese Academy of Sciences, Beijing, China
- * E-mail: (JT); (WQ)
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104
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Andreatta M, Puschmann AK, Sommer C, Weyers P, Pauli P, Mühlberger A. Altered processing of emotional stimuli in migraine: an event-related potential study. Cephalalgia 2012; 32:1101-8. [PMID: 22992405 DOI: 10.1177/0333102412459573] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
BACKGROUND Migraine patients report psychosocial stress to be among the major triggers for their migraine attacks. The mechanisms underlying the onset of migraine attacks are not yet fully understood. Neuroimaging studies have shown changes in the cortical excitability of migraine patients. Here, we investigated cortical activation related to processing of emotional stimuli in individuals with migraine. METHOD Twenty-four participants suffering from migraine attacks and 25 healthy volunteers had to passively observe pictures of emotional facial expressions (angry, happy and neutral). Electro-cortical activity was continuously recorded by means of an electroencephalogram (EEG), and ratings of valence (unpleasant vs. pleasant) and arousal (calm vs. exciting) were collected. RESULTS The migraine and control group did not differ in their ratings of valence and arousal of the visual stimuli. However, participants with migraine, in contrast to healthy controls, showed larger N170 amplitudes toward angry facial expressions compared to neutral ones. DISCUSSION Individuals with migraine may have an altered cortical activity linked to the processing of emotional information. Thus, these individuals may process high arousing and threatening events preferentially, and this facilitated processing may be related to their already high cortical excitability.
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Affiliation(s)
- Marta Andreatta
- Department of Psychology, (Biological Psychology, Clinical Psychology, and Psychotherapy) University of Würzburg, Marcusstrasse 9-11, Würzburg, Germany.
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105
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Ahmed F, Parthasarathy R, Khalil M. Chronic daily headaches. Ann Indian Acad Neurol 2012; 15:S40-50. [PMID: 23024563 PMCID: PMC3444216 DOI: 10.4103/0972-2327.100002] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2012] [Revised: 05/17/2012] [Accepted: 05/19/2012] [Indexed: 11/04/2022] Open
Abstract
Chronic Daily Headache is a descriptive term that includes disorders with headaches on more days than not and affects 4% of the general population. The condition has a debilitating effect on individuals and society through direct cost to healthcare and indirectly to the economy in general. To successfully manage chronic daily headache syndromes it is important to exclude secondary causes with comprehensive history and relevant investigations; identify risk factors that predict its development and recognise its sub-types to appropriately manage the condition. Chronic migraine, chronic tension-type headache, new daily persistent headache and medication overuse headache accounts for the vast majority of chronic daily headaches. The scope of this article is to review the primary headache disorders. Secondary headaches are not discussed except medication overuse headache that often accompanies primary headache disorders. The article critically reviews the literature on the current understanding of daily headache disorders focusing in particular on recent developments in the treatment of frequent headaches.
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Affiliation(s)
- Fayyaz Ahmed
- Department of Neurology, Hull Royal Infirmary, Hull, United Kingdom
| | | | - Modar Khalil
- Department of Neurology, Hull Royal Infirmary, Hull, United Kingdom
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106
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Nguyen BN, McKendrick AM, Vingrys AJ. Simultaneous retinal and cortical visually evoked electrophysiological responses in between migraine attacks. Cephalalgia 2012; 32:896-907. [PMID: 22800915 DOI: 10.1177/0333102412453953] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
PURPOSE People with migraine often report aversion to flickering lights and show abnormal results on behavioural tasks that require the processing of temporal visual information. Studies have reported that the cortically evoked electrophysiological response to a flickering visual stimulus is abnormal; however, none have considered whether there is an underlying pre-cortical abnormality. In this cross-sectional study, we consider whether people with migraine have retinal and cortical electrophysiological abnormalities to flickering stimuli. METHODS Monocular transient (1 Hz) and steady-state (8.3 Hz) pattern reversal electroretinograms (PERGs) and pattern visual evoked responses (PVERs) were measured simultaneously in 45 people with migraine (26 without aura, 19 with aura) and 30 non-headache controls at a time between migraine attacks. RESULTS PERG amplitude and timing did not differ significantly between groups. Transient PVER amplitude was significantly reduced (28%) in the migraine with aura group compared to the controls F(2,72) = 3.6, p = 0.03). Both migraine groups showed significant reductions (32%, 39%) in steady-state PVER amplitude relative to controls (F(2,70) = 4.3, p = 0.02). CONCLUSIONS This study finds normal retinal processing of flickering stimuli in the presence of abnormal cortical function between migraine attacks.
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Affiliation(s)
- Bao N Nguyen
- Department of Optometry and Vision Sciences, The University of Melbourne, Australia
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107
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Ruisanchez É, Cselenyák A, Papp RS, Németh T, Káldi K, Sándor P, Benyó Z. Perivascular expression and potent vasoconstrictor effect of dynorphin A in cerebral arteries. PLoS One 2012; 7:e37798. [PMID: 22662226 PMCID: PMC3360594 DOI: 10.1371/journal.pone.0037798] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2012] [Accepted: 04/27/2012] [Indexed: 12/30/2022] Open
Abstract
Background Numerous literary data indicate that dynorphin A (DYN-A) has a significant impact on cerebral circulation, especially under pathophysiological conditions, but its potential direct influence on the tone of cerebral vessels is obscure. The aim of the present study was threefold: 1) to clarify if DYN-A is present in cerebral vessels, 2) to determine if it exerts any direct effect on cerebrovascular tone, and if so, 3) to analyze the role of κ-opiate receptors in mediating the effect. Methodology/Principal Findings Immunohistochemical analysis revealed the expression of DYN-A in perivascular nerves of rat pial arteries as well as in both rat and human intraparenchymal vessels of the cerebral cortex. In isolated rat basilar and middle cerebral arteries (BAs and MCAs) DYN-A (1–13) and DYN-A (1–17) but not DYN-A (1–8) or dynorphin B (DYN-B) induced strong vasoconstriction in micromolar concentrations. The maximal effects, compared to a reference contraction induced by 124 mM K+, were 115±6% and 104±10% in BAs and 113±3% and 125±9% in MCAs for 10 µM of DYN-A (1–13) and DYN-A (1–17), respectively. The vasoconstrictor effects of DYN-A (1–13) could be inhibited but not abolished by both the κ-opiate receptor antagonist nor-Binaltorphimine dihydrochloride (NORBI) and blockade of Gi/o-protein mediated signaling by pertussis toxin. Finally, des-Tyr1 DYN-A (2–13), which reportedly fails to activate κ-opiate receptors, induced vasoconstriction of 45±11% in BAs and 50±5% in MCAs at 10 µM, which effects were resistant to NORBI. Conclusion/Significance DYN-A is present in rat and human cerebral perivascular nerves and induces sustained contraction of rat cerebral arteries. This vasoconstrictor effect is only partly mediated by κ-opiate receptors and heterotrimeric Gi/o-proteins. To our knowledge our present findings are the first to indicate that DYN-A has a direct cerebral vasoconstrictor effect and that a dynorphin-induced vascular action may be, at least in part, independent of κ-opiate receptors.
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Affiliation(s)
- Éva Ruisanchez
- Institute of Human Physiology and Clinical Experimental Research, Semmelweis University, Budapest, Hungary.
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108
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Yu D, Yuan K, Zhao L, Zhao L, Dong M, Liu P, Wang G, Liu J, Sun J, Zhou G, von Deneen KM, Liang F, Qin W, Tian J. Regional homogeneity abnormalities in patients with interictal migraine without aura: a resting-state study. NMR IN BIOMEDICINE 2012; 25:806-812. [PMID: 22020869 DOI: 10.1002/nbm.1796] [Citation(s) in RCA: 83] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2011] [Revised: 08/27/2011] [Accepted: 09/09/2011] [Indexed: 05/31/2023]
Abstract
Previous studies have provided evidence of structural and task-related functional changes in the brains of patients with migraine without aura. Resting-state brain activity in patients with migraine provides clues to the pathophysiology of the disease. However, few studies have focused on the resting-state abnormalities in patients with migraine without aura. In the current study, we employed a data-driven method, regional homogeneity (ReHo), to analyze the local features of spontaneous brain activity in patients with migraine without aura during the resting state. Twenty-six patients with migraine without aura and 26 age-, education- and gender-matched healthy volunteers participated in this study. Compared with healthy controls, patients with migraine without aura showed a significant decrease in ReHo values in the right rostral anterior cingulate cortex (rACC), the prefrontal cortex (PFC), the orbitofrontal cortex (OFC) and the supplementary motor area (SMA). In addition, we found that ReHo values were negatively correlated with the duration of disease in the right rACC and PFC. Our results suggest that the resting-state abnormalities of these regions may be associated with functional impairments in pain processing in patients with migraine without aura. We hope that our results will improve the understanding of migraine.
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Affiliation(s)
- Dahua Yu
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi'an, Shaanxi, China
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109
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Webster KE, Dickinson JE, Battista J, McKendrick AM, Badcock DR. Evidence for increased internal noise in migraineurs for contrast and shape processing. Cephalalgia 2011; 32:125-39. [DOI: 10.1177/0333102411432725] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Aim: Increased contrast-level dependent internal noise has been reported in migraine. This study aimed to investigate whether a general increase in internal noise impacted on other tasks thought to assess functioning in cortical area V1 and was evident in global contour coding (V4). Methods: Eleven migraineurs (six with aura) and 12 headache-free controls completed three psychophysical tasks: (i) contrast detection, (ii) discrimination of the angle of a spiral path and (iii) detection of deformation from circularity. Internal noise estimates were obtained using an N-pass method that compared responses to repeated presentations of identical stimuli. Internal noise results in inconsistent responses across different runs. Results: Migraineurs had significantly higher contrast thresholds when there was high external luminance noise. There were no other significant group differences in thresholds. Increased multiplicative noise associated with contrast processing was replicated and increased additive noise, which is independent of the visual input, was found for the global form task. Conclusions: This study provides further evidence for increased multiplicative internal noise associated with contrast processing in migraineurs. However there is no generalised increase in internal noise in V1 as noise estimates for angular discrimination were normal. Increased additive internal noise was associated with the global shape task, co-occurring with increased efficiency.
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Affiliation(s)
| | | | | | | | - David R Badcock
- School of Psychology, University of Western Australia, Australia
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110
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Liu J, Qin W, Nan J, Li J, Yuan K, Zhao L, Zeng F, Sun J, Yu D, Dong M, Liu P, von Deneen KM, Gong Q, Liang F, Tian J. Gender-related differences in the dysfunctional resting networks of migraine suffers. PLoS One 2011; 6:e27049. [PMID: 22073251 PMCID: PMC3206886 DOI: 10.1371/journal.pone.0027049] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2011] [Accepted: 10/09/2011] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND Migraine shows gender-specific incidence and has a higher prevalence in females. However, little is known about gender-related differences in dysfunctional brain organization, which may account for gender-specific vulnerability and characteristics of migraine. In this study, we considered gender-related differences in the topological property of resting functional networks. METHODOLOGY/PRINCIPAL FINDINGS Data was obtained from 38 migraine patients (18 males and 20 females) and 38 healthy subjects (18 males and 20 females). We used the graph theory analysis, which becomes a powerful tool in investigating complex brain networks on a whole brain scale and could describe functional interactions between brain regions. Using this approach, we compared the brain functional networks between these two groups, and several network properties were investigated, such as small-worldness, network resilience, nodal centrality, and interregional connections. In our findings, these network characters were all disrupted in patients suffering from chronic migraine. More importantly, these functional damages in the migraine-affected brain had a skewed balance between males and females. In female patients, brain functional networks showed worse resilience, more regions exhibited decreased nodal centrality, and more functional connections revealed abnormalities than in male patients. CONCLUSIONS These results indicated that migraine may have an additional influence on females and lead to more dysfunctional organization in their resting functional networks.
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Affiliation(s)
- Jixin Liu
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi'an, Shaanxi, China
| | - Wei Qin
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi'an, Shaanxi, China
| | - Jiaofen Nan
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi'an, Shaanxi, China
| | - Jing Li
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi'an, Shaanxi, China
| | - Kai Yuan
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi'an, Shaanxi, China
| | - Ling Zhao
- The 3rd Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Fang Zeng
- The 3rd Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jinbo Sun
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi'an, Shaanxi, China
| | - Dahua Yu
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi'an, Shaanxi, China
| | - Minghao Dong
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi'an, Shaanxi, China
| | - Peng Liu
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi'an, Shaanxi, China
| | - Karen M. von Deneen
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi'an, Shaanxi, China
| | - Qiyong Gong
- Huaxi MR Research Center (HMRRC), Department of Radiology, The Center for Medical Imaging, West China Hospital of Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Fanrong Liang
- The 3rd Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jie Tian
- Life Sciences Research Center, School of Life Sciences and Technology, Xidian University, Xi'an, Shaanxi, China
- Institute of Automation, Chinese Academy of Sciences, Beijing, China
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111
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Chaibi A, Tuchin PJ. Chiropractic spinal manipulative treatment of migraine headache of 40-year duration using Gonstead method: a case study. J Chiropr Med 2011; 10:189-93. [PMID: 22014909 PMCID: PMC3259914 DOI: 10.1016/j.jcm.2011.02.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2010] [Revised: 02/06/2011] [Accepted: 02/18/2011] [Indexed: 10/17/2022] Open
Abstract
OBJECTIVE The purpose of this article is to present a case study of chiropractic spinal manipulative treatment (CSMT) using the Gonstead method for a patient with migraines. CLINICAL FEATURES The patient was a 52-year-old married woman with a long-term history of chronic migraines, which included nausea, vomiting, and photophobia. The patient had endometriosis, but did not relate the migraines to her menstrual cycles. She also reported not using medication for her migraines due to previous drug-related issues. The average frequency of episodes before treatment was 1 per month, and her migraines often included an aura. The pain was moderate, was located on the right side, was pulsating, and lasted for approximately 15 hours. The numeric pain scale for an average episode was 8 out of a possible 10. The aura involved nausea, photophobia, and visual disturbances including black dots in the visual field lasting for approximately 10 minutes. INTERVENTION AND OUTCOME The patient reported all episodes being eliminated following CSMT. At 6-month follow-up, the patient had not had a single migraine episode in this period. The patient was certain that there had been no other lifestyle changes that could have contributed to her improvement. CONCLUSION This case adds to previous research suggesting that some migraine patients may respond favorably to CSMT. The case also provides information on the Gonstead method. A case study does not represent significant scientific evidence in context with other studies conducted; this study suggests that a trial of CSMT using the Gonstead methods could be considered for chronic, nonresponsive migraines.
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Affiliation(s)
- Aleksander Chaibi
- Chiropractor and Physiotherapist, Atlasklinikken, Fridtjof Nansens plass 8, 0160 Oslo, Norway
| | - Peter J. Tuchin
- Senior Lecturer, Department of Chiropractic, Macquarie University, NSW 2109, Australia
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112
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Webster KE, Edwin Dickinson J, Battista J, McKendrick AM, Badcock DR. Increased internal noise cannot account for motion coherence processing deficits in migraine. Cephalalgia 2011; 31:1199-210. [DOI: 10.1177/0333102411414440] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Aim: This study aimed to revisit previous findings of superior processing of motion direction in migraineurs with a more stringent direction discrimination task and to investigate whether increased internal noise can account for motion processing deficits in migraineurs. Methods: Groups of 13 migraineurs (4 with aura, 9 without aura) and 15 headache-free controls completed three psychophysical tasks: one detecting coherence in a motion stimulus, one discriminating the spiral angle in a glass pattern and another discriminating the spiral angle in a global-motion task. Internal noise estimates were obtained for all tasks using an N-pass method. Results: Consistent with previous research, migraineurs had higher motion coherence thresholds than controls. However, there were no significant performance differences on the spiral global-motion and global-form tasks. There was no significant group difference in internal noise estimates associated with any of the tasks. Conclusions: The results from this study suggest that variation in internal noise levels is not the mechanism driving motion coherence threshold differences in migraine. Rather, we argue that motion processing deficits may result from cortical changes leading to less efficient extraction of global-motion signals from noise.
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113
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Braunitzer G, Rokszin A, Kóbor J, Nagy A, Sztriha L, Benedek G. Development of visual contour integration in children with migraine without aura. Cephalalgia 2011; 31:1048-56. [DOI: 10.1177/0333102411410611] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Introduction: As migraine attacks pose insult to cerebral circulation and ion homeostasis, migraine has the potential to interfere with the development of different brain structures, producing functional deficits. It is known that visual contour integration (CI) is a function with a protracted development. Therefore, we sought to establish whether migraine interferes with its development. Methods: Forty-eight migraineurs (without aura) and 48 age- and sex-matched controls participated in the study, divided into three cohorts by age. Stimuli were presented on cards with a contour consisting of Gabor patches embedded in random noise. Difficulty was varied by the manipulation of relative noise density. The task was to identify and show the contour. Results: A significant difference was found between the performance of migraineurs and controls in the 10–14-year-old and 15–18-year-old cohorts ( p < 0.05). Development between all three cohorts was significant in the control group ( p < 0.017), while it was not significant in migraineurs between 6 and 14 years. Correlation between age and CI threshold was stronger in controls than in migraineurs. Conclusion: Children with paediatric migraine exhibited a less marked development in the Gabor patch-based CI task.
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Abstract
During the 14th International Headache Congress the results of several innovative studies that contribute to our understanding of headache pathophysiology and treatment were presented. Here we summarize work expected to contribute substantially to understanding headache mechanisms, while an accompanying manuscript summarizes presentations regarding the treatment of headache. This manuscript highlights research on mechanisms of photophobia and phonophobia, pharmacologic inhibition of cortical spreading depression, a proposed mechanism by which oxygen effectively treats cluster headache, identification of functional and structural aberrations in people with hypnic headache, and research on functional imaging markers of a migraine attack.
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Affiliation(s)
- Todd J Schwedt
- Washington University Headache Center, Washington University in St. Louis School of Medicine, St. Louis, MO 63110, USA
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115
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Affiliation(s)
- Thorsten Bartsch
- Department of Neurology, University Hospital Schleswig-Holstein, University of Kiel, Kiel, Germany.
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116
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Hamed SA. A migraine variant with abdominal colic and Alice in Wonderland syndrome: a case report and review. BMC Neurol 2010; 10:2. [PMID: 20053267 PMCID: PMC2817660 DOI: 10.1186/1471-2377-10-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2009] [Accepted: 01/06/2010] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Abdominal migraine is a commonly described migraine variant in children and young adults, but associations with Alice in Wonderland syndrome and lilliputian hallucinations are exceptional. CASE PRESENTATION A 20 years-old male experienced frequent and prolonged attacks of abdominal colic associated with autonomic manifestations started at the age of ten. At the age of 17, he additionally described prolonged attacks (>or= 7 days) of distortions of shape, size or position of objects or subjects. He said "Quite suddenly, objects appear small and distant (teliopsia) or large and close (peliopsia). I feel as I am getting shorter and smaller "shrinking" and also the size of persons are not longer than my index finger (a lilliputian proportion). Sometimes I see the blind in the window or the television getting up and down, or my leg or arm is swinging. I may hear the voices of people quite loud and close or faint and far. Occasionally, I experience attacks of migrainous headache associated with eye redness, flashes of lights and a feeling of giddiness. I am always conscious to the intangible changes in myself and my environment". There is a strong family history of common migraine. Clinical examination, brain-MRI and EEG were normal. Transcranial magnetic stimulation and evoked potentials revealed enhanced cortical excitability in multiple brain regions. Treatment with valproate resulted in marked improvement of all clinical and neurophysiological abnormalities. CONCLUSIONS The association between the two migraine variants (abdominal migraine and Alice in Wonderland Syndrome) might have clinical, pathophysiological and management implications. I think this is the first description in the literature.
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Affiliation(s)
- Sherifa A Hamed
- Department of Neurology and Psychiatry, Assiut University Hospital, Assiut, Egypt.
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Abstract
After the triptans, a calcitonin gene-related peptide blocker (telcagepant) is the first acute medicine that has been developed primarily for treatment of acute migraine. Otherwise, the new drugs have been developed first for other purposes, like anticonvulsants, antihypertensives and antidepressants used for migraine prophylaxis. For acute attacks, a new way to administer a traditional drug like dihydroergotamine is under way, and documentation of efficacy in migraine has been gained for some commonly used painkillers and anti-inflammatory drugs, and for some herbal extracts. Based on insights into the basic pathophysiological mechanisms of the disorder, some drugs have been developed which seem promising in early phase II studies (NOS inhibitors and 5HT1F-receptor agonists). In the future, development and enhancements of existing medicines must be accompanied by increased efforts to develop truly new migraine drugs based on knowledge of the pathophysiology if one wishes to reduce substantially the great burden migraine poses on patients and society.
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Affiliation(s)
- Lars Jacob Stovner
- Norwegian National Headache Centre, Trondheim University Hospital, 7006 Trondheim, Norway.
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118
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Parisi P. Who's still afraid of the link between headache and epilepsy? Some reactions to and reflections on the article by Marte Helene Bjørk and co-workers. J Headache Pain 2009; 10:327-9. [PMID: 19705058 PMCID: PMC3452089 DOI: 10.1007/s10194-009-0149-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2009] [Accepted: 07/31/2009] [Indexed: 11/16/2022] Open
Affiliation(s)
- Pasquale Parisi
- Child Neurology, Paediatric Headache Centre, Chair of Paediatrics, Second Faculty of Medicine, Sapienza University, Rome, Italy.
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119
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Galletti F, Cupini LM, Corbelli I, Calabresi P, Sarchielli P. Pathophysiological basis of migraine prophylaxis. Prog Neurobiol 2009; 89:176-92. [DOI: 10.1016/j.pneurobio.2009.07.005] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2008] [Revised: 07/14/2009] [Accepted: 07/28/2009] [Indexed: 01/04/2023]
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