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Chen HH, Lin CY, Chen SJ, Huang WY, Kuo CW, Chang ST. Intravascular laser irradiation of blood as novel migraine treatment: an observational study. Eur J Med Res 2023; 28:457. [PMID: 37876003 PMCID: PMC10598972 DOI: 10.1186/s40001-023-01438-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 10/09/2023] [Indexed: 10/26/2023] Open
Abstract
BACKGROUND Migraine is one of four major chronic diseases that cause disability. Decreases in regional cerebral blood flow (rCBF) occur during migraine attacks. Laser therapy is extensively employed in treating other vascular diseases; nevertheless, its effectiveness in migraine management remains largely unknown. Therefore, we evaluated the effect of low-level intravascular laser irradiation of blood (ILIB) therapy in patients with migraine. METHODS We performed an observational case-control study in 24 patients suffering from migraine. Patients were divided into an ILIB treatment group and a traditional rehabilitation group. This study performed clinical assessments and single-photon emission computed tomography (SPECT) prior to and after the treatment and 1 month later. Changes in rCBF-SPECT between groups and between timepoints were compared to clinical outcomes. RESULTS Nine patients undergoing rehabilitation and fifteen patients undergoing ILIB were studied from baseline to 1 month follow-up. The ILIB group, visual analog scale for pain (P = 0.001), Montreal Cognitive Assessment (P = 0.003), and Athens Insomnia Scale (P < 0.001) symptom scores significantly improved after treatment. SPECT imaging showed a 1.27 ± 0.27 fold increase in rCBF after ILIB treatment, and no significant differences in the rehabilitation group. CONCLUSIONS Low-level ILIB therapy is associated with better clinical and vascular outcomes, and may be a feasible treatment option for migraine. Although our sample size was small, our data provide a starting point for migraine laser therapy research.
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Affiliation(s)
- Hsin-Hung Chen
- Department of Medical Education and Research, Kaohsiung Veterans General Hospital, Kaohsiung, 813414, Taiwan
| | - Chun-Yu Lin
- College of Photonics, National Yang Ming Chiao Tung University, Tainan, 71150, Taiwan
| | - Shean-Jen Chen
- College of Photonics, National Yang Ming Chiao Tung University, Tainan, 71150, Taiwan
- Taiwan Instrument Research Institute, National Applied Research Laboratories, Hsinchu, 300092, Taiwan
| | - Wan-Yun Huang
- Department of Physical Medicine and Rehabilitation, Kaohsiung Veterans General Hospital, Zuoying Dist, # 386, Dazhong 1St Rd, Kaohsiung, 813414, Taiwan
- Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, Tainan, 70119, Taiwan
| | - Chien-Wei Kuo
- Department of Nuclear Medicine, Pingtung Veterans General Hospital, Pingtung 900, Taiwan
| | - Shin-Tsu Chang
- Department of Physical Medicine and Rehabilitation, Kaohsiung Veterans General Hospital, Zuoying Dist, # 386, Dazhong 1St Rd, Kaohsiung, 813414, Taiwan.
- Department of Physical Medicine and Rehabilitation, Tri-Service General Hospital, School of Medicine, National Defense Medical Center, Neihu District, # 161, Section 6, Minquan East Road, Taipei, 114201, Taiwan.
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2
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Zhang X, Zhou J, Guo M, Cheng S, Chen Y, Jiang N, Li X, Hu S, Tian Z, Li Z, Zeng F. A systematic review and meta-analysis of voxel-based morphometric studies of migraine. J Neurol 2023; 270:152-170. [PMID: 36098838 DOI: 10.1007/s00415-022-11363-w] [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: 05/19/2022] [Revised: 08/31/2022] [Accepted: 09/01/2022] [Indexed: 01/07/2023]
Abstract
OBJECTIVES To comprehensively summarize and meta-analyze the concurrence across voxel-based morphometric (VBM) neuroimaging studies of migraine. METHODS Neuroimaging studies published from origin to August 1, 2021 were searched in six databases including PubMed, Web of Science, Excerpta Medica Database (EMBASE), China National Knowledge Infrastructure (CNKI), Wanfang Database, and Chongqing VIP. Study selection, quality assessment, and data extraction were conducted by two independent researchers. Anisotropic effect size-signed differential mapping (AES-SDM) and activation likelihood estimation (ALE) were used to perform the meta-analysis of available studies reporting whole-brain gray matter (GM) structural data in migraine patients. Clinical variables correlation analysis and migraine subgroup analysis were also conducted. RESULTS 40 articles were included after the strict screening, containing 1616 migraine patients and 1681 matched healthy subjects (HS) in total. Using the method of AES-SDM, migraine patients showed GM increase in the bilateral amygdala, the bilateral parahippocampus, the bilateral temporal poles, the bilateral superior temporal gyri, the left hippocampus, the right superior frontal gyrus, and the left middle temporal gyrus, as well as GM decrease in the left insula, the bilateral cerebellum (hemispheric lobule IX), the right dorsal medulla, the bilateral rolandic operculum, the right middle frontal gyrus, and the right inferior parietal gyrus. Using the method of ALE, migraine patients showed GM increase in the left parahippocampus and GM decrease in the left insula. The results of correlation analysis showed that many of these brain regions were associated with migraine headache frequency and migraine disease duration. Migraine patients in different subtypes (such as migraine without aura (MwoA), migraine with aura (MwA), episodic migraine (EM), chronic migraine (CM), vestibular migraine (VM), etc.), and in different periods (in the ictal and interictal periods) presented not entirely consistent GM alterations. CONCLUSION Migraine patients have GM alterations in multiple brain regions associated with sensation, affection, cognition, and descending modulation aspects of pain. These changes might be a consequence of repeated migraine attacks. Further studies are required to determine how these GM changes can be used to diagnose, monitor disease progression, or exploit potential therapeutic interventions for migraine patients.
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Affiliation(s)
- Xinyue Zhang
- The Acupuncture and Tuina School/The 3rd Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China.,Acupuncture and Brain Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Jun Zhou
- The Acupuncture and Tuina School/The 3rd Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Mengyuan Guo
- Institute College of Integrative Medicine, Dalian Medical University, Dalian, Liaoning, China
| | - Shirui Cheng
- The Acupuncture and Tuina School/The 3rd Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China.,Acupuncture and Brain Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Yilin Chen
- The Acupuncture and Tuina School/The 3rd Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Nannan Jiang
- The Acupuncture and Tuina School/The 3rd Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Xinling Li
- The Acupuncture and Tuina School/The 3rd Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China.,Acupuncture and Brain Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Shengjie Hu
- The Acupuncture and Tuina School/The 3rd Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China.,Acupuncture and Brain Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Zilei Tian
- The Acupuncture and Tuina School/The 3rd Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China.,Acupuncture and Brain Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Zhengjie Li
- The Acupuncture and Tuina School/The 3rd Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China. .,Acupuncture and Brain Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China.
| | - Fang Zeng
- The Acupuncture and Tuina School/The 3rd Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China. .,Acupuncture and Brain Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China.
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3
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Brain Energy Deficit as a Source of Oxidative Stress in Migraine: A Molecular Basis for Migraine Susceptibility. Neurochem Res 2021; 46:1913-1932. [PMID: 33939061 DOI: 10.1007/s11064-021-03335-9] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 04/06/2021] [Accepted: 04/22/2021] [Indexed: 02/06/2023]
Abstract
People with migraine are prone to a brain energy deficit between attacks, through increased energy demand (hyperexcitable brain) or decreased supply (mitochondrial impairment). However, it is uncertain how this precipitates an acute attack. Here, the central role of oxidative stress is adduced. Specifically, neurons' antioxidant defenses rest ultimately on internally generated NADPH (reduced nicotinamide adenine dinucleotide phosphate), whose levels are tightly coupled to energy production. Mitochondrial NADPH is produced primarily by enzymes involved in energy generation, including isocitrate dehydrogenase of the Krebs (tricarboxylic acid) cycle; and an enzyme, nicotinamide nucleotide transhydrogenase (NNT), that depends on the Krebs cycle and oxidative phosphorylation to function, and that works in reverse, consuming antioxidants, when energy generation fails. In migraine aura, cortical spreading depression (CSD) causes an initial severe drop in level of NADH (reduced nicotinamide adenine dinucleotide), causing NNT to impair antioxidant defense. This is followed by functional hypoxia and a rebound in NADH, in which the electron transport chain overproduces oxidants. In migraine without aura, a similar biphasic fluctuation in NADH very likely generates oxidants in cortical regions farthest from capillaries and penetrating arterioles. Thus, the perturbations in brain energy demand and/or production seen in migraine are likely sufficient to cause oxidative stress, triggering an attack through oxidant-sensing nociceptive ion channels. Implications are discussed for the development of new classes of migraine preventives, for the current use of C57BL/6J mice (which lack NNT) in preclinical studies of migraine, for how a microembolism initiates CSD, and for how CSD can trigger a migraine.
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4
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Kellner-Weldon F, Jossen M, Breiding PS, Grunder L, Schankin C, Scutelnic A, Fischer U, Muri R, Pastore-Wapp M, Wiest R, El-Koussy M. Imaging Neurovascular Uncoupling in Acute Migraine with Aura with Susceptibility Weighted Imaging. Clin Neuroradiol 2020; 31:581-588. [PMID: 33001228 DOI: 10.1007/s00062-020-00962-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 09/02/2020] [Indexed: 01/03/2023]
Abstract
PURPOSE Migraine with aura (MwA) in the emergency setting is common and sometimes difficult to distinguish from mimicking conditions. Susceptibility weighted imaging (SWI), a magnet resonance (MR) technique is sensitive to deoxygenated hemoglobin in cerebral veins and depicts these according to their level of oxygenation. Our study aimed at evaluating the frequency of regions of prominent focal veins (PFV) on SWI in the acute phase. METHODS Between 2011 and 2018 we evaluated symptoms and MR imaging of adult patients with acute MwA attacks (< 5 days after onset of symptoms). Abnormal imaging was visually scored in 12 ROIs on both hemispheres distributed on 3 slices. The score ranged from 0 to 3. RESULTS In all, 638 patients (436 female) mean age 37.39 years (18-89 ± 14.13) were included. Susceptibility weighted imaging was abnormal in 18.8% of patients. The inferior and posterior medial temporal lobe and the occipital lobe were most often affected. Susceptibility weighted imaging was more likely abnormal when MR was performed within 24 hours with an average around 5 hours after symptom onset. The side of aura symptoms and hemispheric imaging alteration in patients with abnormal SWI was highly significant (p < 0.001). CONCLUSION In the acute episode of MwA, SWI imaging can show a combination of increased deoxygenation. The results may indicate linking PFV to MwA.
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Affiliation(s)
- Frauke Kellner-Weldon
- Support Center for Advanced Neuroimaging, University Institute of Diagnostic and Interventional Neuroradiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland. .,Department of Radiology and Nuclear Medicine, Lucerne Cantonal Hospital, Lucerne, Switzerland.
| | - Marina Jossen
- Support Center for Advanced Neuroimaging, University Institute of Diagnostic and Interventional Neuroradiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Philipe S Breiding
- Support Center for Advanced Neuroimaging, University Institute of Diagnostic and Interventional Neuroradiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Lorenz Grunder
- Support Center for Advanced Neuroimaging, University Institute of Diagnostic and Interventional Neuroradiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Christoph Schankin
- Department of Neurology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Adrian Scutelnic
- Department of Neurology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Urs Fischer
- Department of Neurology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Raphaela Muri
- Support Center for Advanced Neuroimaging, University Institute of Diagnostic and Interventional Neuroradiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Manuela Pastore-Wapp
- Support Center for Advanced Neuroimaging, University Institute of Diagnostic and Interventional Neuroradiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Roland Wiest
- Support Center for Advanced Neuroimaging, University Institute of Diagnostic and Interventional Neuroradiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Marwan El-Koussy
- Support Center for Advanced Neuroimaging, University Institute of Diagnostic and Interventional Neuroradiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
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5
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Michels L, Villanueva J, O'Gorman R, Muthuraman M, Koirala N, Büchler R, Gantenbein AR, Sandor PS, Luechinger R, Kollias S, Riederer F. Interictal Hyperperfusion in the Higher Visual Cortex in Patients With Episodic Migraine. Headache 2019; 59:1808-1820. [PMID: 31680242 DOI: 10.1111/head.13646] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/06/2019] [Indexed: 10/25/2022]
Abstract
BACKGROUND Migraine pathophysiology is complex and probably involves cortical and subcortical alterations. Structural and functional brain imaging studies indicate alterations in the higher order visual cortex in patients with migraine. Arterial spin labeling magnetic resonance imaging (ASL-MRI) is a non-invasive imaging method for assessing changes in cerebral blood flow (CBF) in vivo. OBJECTIVE To examine if interictal CBF differs between patients with episodic migraine (EM) with or without aura and healthy controls (HC). METHODS We assessed interictal CBF using 2D pseudo-continuous ASL-MRI on a 3 Tesla Philips scanner (University Hospital Zurich, Switzerland) in EM (N = 17, mean age 32.7 ± 9.9, 13 females) and HC (N = 19, mean age 31.0 ± 9.3, 11 females). RESULTS Compared to HC, EM showed exclusively hyperperfusion in the right MT+ and Cohen's d effect size was 0.99 (HC mean CBF ± SD: 33.1 ± 5.9 mL/100 g/minutes; EM mean CBF: 40.9 ± 9.4 mL/100 g/minutes). EM with aura (N = 13, MwA) revealed hyperperfusion compared to HC in the right MT+ and superior temporal gyrus. For MT, Cohen's d effect size was 1.34 (HC mean CBF ± SD: 33.1 ± 5.9 mL/100 g/minutes; MwA mean CBF: 43.3 ± 8.6 mL/100 g/minutes). For the superior temporal gyrus, Cohen's d effect size was 1.28 (HC mean CBF ± SD: 40.1 ± 4.9 mL/100 g/minutes; MwA mean CBF: 47.4 ± 6.4 mL/100 g/minutes). In EM, anxiety was positively associated with CBF in the parietal operculum and angular gyrus. CONCLUSIONS Our results suggest that extrastriate brain regions probably involved in cortical spreading depression are associated with CBF changes in the interictal state. We conclude that ASL-MRI is a sensitive method to identify local neuro-functional abnormalities in CBF in patients with EM in the interictal state.
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Affiliation(s)
- Lars Michels
- Department of Neuroradiology, University Hospital Zurich, Zurich, Switzerland.,Center for MR-Research, University Children's Hospital Zurich, Zurich, Switzerland
| | - Jeanette Villanueva
- Department of Neuroradiology, University Hospital Zurich, Zurich, Switzerland
| | - Ruth O'Gorman
- Center for MR-Research, University Children's Hospital Zurich, Zurich, Switzerland
| | - Muthuraman Muthuraman
- Biomedical Statistics and Multimodal Signal Processing Unit, Movement Disorders and Neurostimulation, Department of Neurology, Focus Program Translational Neuroscience (FTN), Johannes-Gutenberg-University Hospital, Mainz, Germany
| | - Nabin Koirala
- Biomedical Statistics and Multimodal Signal Processing Unit, Movement Disorders and Neurostimulation, Department of Neurology, Focus Program Translational Neuroscience (FTN), Johannes-Gutenberg-University Hospital, Mainz, Germany
| | - Roman Büchler
- Department of Neuroradiology, University Hospital Zurich, Zurich, Switzerland
| | - Andreas R Gantenbein
- University of Zurich, Zurich, Switzerland.,RehaClinic Bad Zurzach, Bad Zurzach, Switzerland
| | - Peter S Sandor
- University of Zurich, Zurich, Switzerland.,RehaClinic Bad Zurzach, Bad Zurzach, Switzerland
| | - Roger Luechinger
- Institute for Biomedical Engineering, ETH Zurich and University of Zurich, Zurich, Switzerland
| | - Spyros Kollias
- Department of Neuroradiology, University Hospital Zurich, Zurich, Switzerland
| | - Franz Riederer
- University of Zurich, Zurich, Switzerland.,Neurological Center Rosenhuegel and Karl Landsteiner Institute for Epilepsy Research and Cognitive Neurology, Vienna, Austria
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6
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Schytz HW, Amin FM, Selb J, Boas DA. Non-invasive methods for measuring vascular changes in neurovascular headaches. J Cereb Blood Flow Metab 2019; 39:633-649. [PMID: 28782410 PMCID: PMC6446419 DOI: 10.1177/0271678x17724138] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Vascular changes during spontaneous headache attacks have been studied over the last 30 years. The interest in cerebral vessels in headache research was initially due to the hypothesis of cerebral vessels as the pain source. Here, we review the knowledge gained by measuring the cerebral vasculature during spontaneous primary headache attacks with the use of single photon emission tomography (SPECT), positron emission tomography (PET), magnetic resonance imaging (MRA) and transcranial Doppler (TCD). Furthermore, the use of near-infrared spectroscopy in headache research is reviewed. Existing TCD studies of migraine and other headache disorders do not provide solid evidence for cerebral blood flow velocity changes during spontaneous attacks of migraine headache. SPECT studies have clearly shown cortical vascular changes following migraine aura and the differences between migraine with aura compared to migraine without aura. PET studies have shown focal activation in brain structures related to headache, but whether the changes are specific to different primary headaches have yet to be demonstrated. MR angiography has shown precise changes in large cerebral vessels during spontaneous migraine without aura attacks. Future development in more precise imaging methods may further elucidate the pathophysiological mechanisms in primary headaches.
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Affiliation(s)
- Henrik W Schytz
- 1 Danish Headache Center and Department of Neurology, Rigshospitalet Glostrup, University of Copenhagen, Copenhagen, Denmark
| | - Faisal M Amin
- 1 Danish Headache Center and Department of Neurology, Rigshospitalet Glostrup, University of Copenhagen, Copenhagen, Denmark
| | - Juliette Selb
- 2 Department of Radiology, MGH/HST Athinoula A. Martinos Center for Biomedical Imaging, Harvard Medical School, Massachusetts General Hospital, Charlestown, MA, USA
| | - David A Boas
- 2 Department of Radiology, MGH/HST Athinoula A. Martinos Center for Biomedical Imaging, Harvard Medical School, Massachusetts General Hospital, Charlestown, MA, USA
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7
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Hansen JM, Schankin CJ. Cerebral hemodynamics in the different phases of migraine and cluster headache. J Cereb Blood Flow Metab 2019; 39:595-609. [PMID: 28857642 PMCID: PMC6446414 DOI: 10.1177/0271678x17729783] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 07/19/2017] [Accepted: 08/04/2017] [Indexed: 12/31/2022]
Abstract
Headache is one of the most common ailments; migraine is one of the most prevalent and disabling neurological disorders and cluster headache presents as one of the most excruciating pain disorders. Both are complex disorder characterized by recurrent episodes of headache. A key feature is that various triggers can set off an attack providing the opportunity to explore disease mechanisms by experimentally inducing attacks. This review summarizes neuroimaging and hemodynamic studies in human in provoked and spontaneous attacks of migraine and cluster headache. Cerebral hemodynamics during different phases of the migraine attack demonstrate alterations in cerebral blood flow and perfusion, vessel caliber, cortical and sub-cortical function, underscoring that migraine pathophysiology is highly complex. Migraine attacks might begin in diencephalic and brainstem areas, whereas migraine aura is a cortical phenomenon. In cluster headache pathophysiology, the hypothalamus might also play a pivotal role, whereas the pattern of cerebral blood flood differs from migraine. For both disorders, alterations of arterial blood vessel diameter might be more an epiphenomenon of the attack than a causative trigger. Studying cerebral hemodynamics in provocation models are important in the search for specific biomarkers in the hope to discover future targets for more specific and effective mechanism-based anti-headache treatment.
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Affiliation(s)
- Jakob M Hansen
- Danish Headache Center and Department of Neurology, Rigshospitalet Glostrup, University of Copenhagen, Glostrup, Denmark
| | - Christoph J Schankin
- Department of Neurology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
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8
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Fuglsang CH, Johansen T, Kaila K, Kasch H, Bach FW. Treatment of acute migraine by a partial rebreathing device: A randomized controlled pilot study. Cephalalgia 2018; 38:1632-1643. [PMID: 30134739 PMCID: PMC6158684 DOI: 10.1177/0333102418797285] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Background Impaired brain oxygen delivery can trigger and exacerbate migraine attacks. Normoxic hypercapnia increases brain oxygen delivery markedly by vasodilation of the cerebral vasculature, and hypercapnia has been shown to abort migraine attacks. Stable normoxic hypercapnia can be induced by a compact partial rebreathing device. This pilot study aimed to provide initial data on the device's efficacy and safety. Methods Using a double-blinded, randomized, cross-over study design, adult migraine-with-aura patients self-administered the partial rebreathing device or a sham device for 20 minutes at the onset of aura symptoms. Results Eleven participants (mean age 35.5, three men) self-treated 41 migraine attacks (20 with the partial rebreathing device, 21 with sham). The partial rebreathing device increased mean End Tidal CO2 by 24%, while retaining mean oxygen saturation above 97%. The primary end point (headache intensity difference between first aura symptoms and two hours after treatment (0-3 scale) - active/sham difference) did not reach statistical significance (-0.55 (95% CI: -1.13-0.04), p = 0.096), whereas the difference in percentage of attacks with pain relief at two hours was significant ( p = 0.043), as was user satisfaction ( p = 0.022). A marked efficacy increase was seen from first to second time use of the partial rebreathing device. No adverse events occurred, and side effects were absent or mild. Conclusion Normoxic hypercapnia shows promise as an adjunctive/alternative migraine treatment, meriting further investigation in a larger population. Clinical study registered at ClinicalTrials.gov with identifier NCT03472417.
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Affiliation(s)
| | - Troels Johansen
- 2 Aarhus University School of Engineering, Aarhus University, Aarhus, Denmark.,3 BalancAir, Kongens Lyngby, Denmark
| | - Kai Kaila
- 4 Molecular and Integrative Biosciences Research Program and HiLife, University of Helsinki, Helsinki, Finland
| | - Helge Kasch
- 5 Spinal Cord Injury Center of Western Denmark, Department of Neurology, Regional Hospital of Viborg, Viborg, Denmark
| | - Flemming W Bach
- 1 Department of Neurology, Aarhus University Hospital, Aarhus, Denmark
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9
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Jiang XH, Wang SB, Tian Q, Zhong C, Zhang GL, Li YJ, Lin P, You Y, Guo R, Cui YH, Xing YQ. Right-to-left shunt and subclinical ischemic brain lesions in Chinese migraineurs: a multicentre MRI study. BMC Neurol 2018; 18:18. [PMID: 29444659 PMCID: PMC5813373 DOI: 10.1186/s12883-018-1022-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Accepted: 02/06/2018] [Indexed: 11/29/2022] Open
Abstract
Background Migraine is considered as a risk factor for subclinical brain ischemic lesions, and right-to-left shunt (RLS) is more common among migraineurs. This cross-sectional study assessed the association of RLS with the increased prevalence of subclinical ischemic brain lesions in migraineurs. Methods We enrolled 334 migraineurs from a multicentre study from June 2015 to August 2016. Participants were all evaluated using contrast-enhanced transcranial Doppler, magnetic resonance imaging (MRI), and completed a questionnaire covering demographics, the main risk factors of vascular disease, and migraine status. RLS was classified into four grades (Grade 0 = Negative; Grade I = 1 ≤ microbubbles (MBs) ≤ 10; Grade II = MBs > 10 and no curtain; Grade III = curtain). Silent brain ischemic infarctions (SBI) and white matter hyperintensities (WMHs) were evaluated on MRI. Results We found no significant differences between migraineurs with RLS and migraineurs without RLS in subclinical ischemic brain lesions.SBI and WMHs did not increase with the size of the RLS(p for trend for SBI = 0.066, p for trend for WMHs = 0.543). Furthermore, curtain RLS in migraineurs was a risk factor for the presence of SBI (p = 0.032, OR = 3.47; 95%CI: 1.12−10.76). There was no association between RLS and the presence of WMHs. Conclusion Overall, RLS is not associated with increased SBI or WMHs in migraineurs. However, when RLS is present as a curtain pattern, it is likely to be a risk factor for SBIs in migraineurs. Trial registration No. NCT02425696; registered on April 21, 2015. Electronic supplementary material The online version of this article (10.1186/s12883-018-1022-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Xiao-Han Jiang
- Neuroscience Centre, Department of Neurology, The First Hospital of Jilin University, Changchun, China
| | - Si-Bo Wang
- Neuroscience Centre, Department of Neurology, The First Hospital of Jilin University, Changchun, China
| | - Qian Tian
- Department of Neurology, People's Hospital of Linyi City, Linyi, China
| | - Chi Zhong
- Department of Neurology, Weifang People's Hospital, Weifang, China
| | - Guan-Ling Zhang
- Department of Ultrasound, The Centre Hospital of Changsha City, Changsha, China
| | - Ya-Jie Li
- Diagnostic Ultrasound Centre, The Centre Hospital of Jilin City, Jilin, China
| | - Pan Lin
- Department of Neurology, The Second Hospital of Longyan City, Longyan, China
| | - Yong You
- Department of Neurology, The First Hospital of University of South China, Hengyang, China
| | - Rong Guo
- Department of Neurology Function, The People's Hospital of Liaoning Province, Shenyang, China
| | - Ying-Hua Cui
- Centre of Head and Neck Vascular Ultrasound, Department of Neurology, The Hospital of Yanbian University, Yanji, China
| | - Ying-Qi Xing
- Neuroscience Centre, Department of Neurology, The First Hospital of Jilin University, Changchun, China.
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10
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Gil-Gouveia R, Pinto J, Figueiredo P, Vilela PF, Martins IP. An Arterial Spin Labeling MRI Perfusion Study of Migraine without Aura Attacks. Front Neurol 2017; 8:280. [PMID: 28701991 PMCID: PMC5488142 DOI: 10.3389/fneur.2017.00280] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2017] [Accepted: 05/30/2017] [Indexed: 01/03/2023] Open
Abstract
Background Studies of brain perfusion during migraine without aura attacks have inconsistent results. Methods Arterial spin labeling MRI, a non-invasive quantitative perfusion technique, was used to prospectively study a spontaneous untreated migraine without aura attack and a headache-free period. Image analysis used FSL and MATLAB software; Group analysis used permutation methods for perfusion differences between sessions. Results Thirteen women (age 35.7) were scanned during an attack of an average intensity of 6.8 (on 0–10 Visual Analog Scale) and 16 h duration. No global or regional perfusion differences were identified when comparing migraine and migraine-free sessions. Discussion Our findings suggest that the painful phase of migraine without aura attacks is not associated with brain perfusion abnormalities.
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Affiliation(s)
| | - Joana Pinto
- Institute for Systems and Robotics - Lisboa and Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - Patricia Figueiredo
- Institute for Systems and Robotics - Lisboa and Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | | | - Isabel Pavão Martins
- Department of Clinical Neurosciences, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
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Coppola G, Di Renzo A, Tinelli E, Di Lorenzo C, Scapeccia M, Parisi V, Serrao M, Evangelista M, Ambrosini A, Colonnese C, Schoenen J, Pierelli F. Resting state connectivity between default mode network and insula encodes acute migraine headache. Cephalalgia 2017; 38:846-854. [DOI: 10.1177/0333102417715230] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Background Previous functional MRI studies have revealed that ongoing clinical pain in different chronic pain syndromes is directly correlated to the connectivity strength of the resting default mode network (DMN) with the insula. Here, we investigated seed-based resting state DMN-insula connectivity during acute migraine headaches. Methods Thirteen migraine without aura patients (MI) underwent 3 T MRI scans during the initial six hours of a spontaneous migraine attack, and were compared to a group of 19 healthy volunteers (HV). We evaluated headache intensity with a visual analogue scale and collected seed-based MRI resting state data in the four core regions of the DMN: Medial prefrontal cortex (MPFC), posterior cingulate cortex (PCC), and left and right inferior parietal lobules (IPLs), as well as in bilateral insula. Results Compared to HV, MI patients showed stronger functional connectivity between MPFC and PCC, and between MPFC and bilateral insula. During migraine attacks, the strength of MPFC-to-insula connectivity was negatively correlated with pain intensity. Conclusion We show that greater subjective intensity of pain during a migraine attack is associated with proportionally weaker DMN-insula connectivity. This is at variance with other chronic extra-cephalic pain disorders where the opposite was found, and may thus be a hallmark of acute migraine head pain.
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Affiliation(s)
- Gianluca Coppola
- G.B. Bietti Foundation IRCCS, Research Unit of Neurophysiology of Vision and Neurophthalmology, Rome, Italy
| | - Antonio Di Renzo
- G.B. Bietti Foundation IRCCS, Research Unit of Neurophysiology of Vision and Neurophthalmology, Rome, Italy
| | - Emanuele Tinelli
- “Sapienza” University of Rome, Department of Neurology and Psychiatry, Neuroradiology section, Rome, Italy
| | | | - Marco Scapeccia
- “Sapienza” University of Rome, Department of Neurology and Psychiatry, Neuroradiology section, Rome, Italy
| | - Vincenzo Parisi
- G.B. Bietti Foundation IRCCS, Research Unit of Neurophysiology of Vision and Neurophthalmology, Rome, Italy
| | - Mariano Serrao
- “Sapienza” University of Rome Polo Pontino, Department of Medico-surgical Sciences and Biotechnologies, Latina, Italy
| | - Maurizio Evangelista
- Università Cattolica del Sacro Cuore/CIC, Istituto di Anestesiologia, Rianimazione e Terapia del Dolore, Rome, Italy
| | | | - Claudio Colonnese
- “Sapienza” University of Rome, Department of Neurology and Psychiatry, Neuroradiology section, Rome, Italy
- IRCCS Neuromed, Pozzilli (IS), Italy
| | - Jean Schoenen
- Headache Research Unit, Department of Neurology-CHR Citadelle, University of Liège, Belgium
| | - Francesco Pierelli
- “Sapienza” University of Rome Polo Pontino, Department of Medico-surgical Sciences and Biotechnologies, Latina, Italy
- IRCCS Neuromed, Pozzilli (IS), Italy
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12
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Magis D, Bendtsen L, Goadsby PJ, May A, Rio MSD, Sandór PS, Kaube H, Sandrini G, Schoonman GG, Schoenen J. Evaluation and Proposal for Optimization of Neurophysiological Tests In Migraine: Part 2—Neuroimaging and The Nitroglycerin Test. Cephalalgia 2016; 27:1339-59. [DOI: 10.1111/j.1468-2982.2007.01435.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Neuroimaging methods have been widely used in headache and migraine research. They have provided invaluable information on brain perfusion, metabolism and structure during and outside of migraine attacks, contributing to an improved understanding of the pathophysiology of the disorder. Human models of migraine attacks are indispensable tools in pathophysiological and therapeutic research. This review of neuroimaging methods and the attack-provoking nitroglycerin test is part an initiative by a task force within the EUROHEAD project (EU Strep LSHM-CT-2004-5044837-Workpackage 9) with the objective of critically evaluating neurophysiological tests used in migraine. The first part, presented in a companion paper, is devoted to electrophysiological methods, this second part to neuroimaging methods such as functional magnetic resonance imaging, positron emission tomography and voxel-based morphometry, as well as the nitroglycerin test. For each of these methods, we summarize the results, analyse the methodological limitations and propose recommendations for improved methodology and standardization of research protocols.
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Affiliation(s)
- D Magis
- Headache Research Unit, Department of Neurology, University of Liège, Liège, Belgium
| | - L Bendtsen
- Danish Headache Centre, Department of Neurology, Glostrup Hospital, University of Copenhagen, Copenhagen, Denmark
| | - PJ Goadsby
- Headache Group, Institute of Neurology, London, UK
| | - A May
- Department of Neurology, University of Hamburg, Hamburg, Germany
| | - M Sánchez del Rio
- Department of Neurology, Hospital Ruber Internacional, Madrid, Spain
| | - PS Sandór
- Headache and Pain Unit, Department of Neurology, University Hospital, Zürich, Switzerland
| | - H Kaube
- Headache Group, Institute of Neurology, London, UK
| | - G Sandrini
- University Centre for Adaptive Disorders and Headache, IRCCS C. Mondino Institute of Neurology Foundation, University of Pavia, Pavia, Italy
| | - GG Schoonman
- Department of Neurology, Leiden University Medical Centre, Leiden, the Netherlands
| | - J Schoenen
- Headache Research Unit, Department of Neurology, University of Liège, Liège, Belgium
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13
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Erdélyi-Bótor S, Komáromy H, Kamson DO, Kovács N, Perlaki G, Orsi G, Molnár T, Illes Z, Nagy L, Kéki S, Deli G, Bosnyák E, Trauninger A, Pfund Z. Serum L-arginine and dimethylarginine levels in migraine patients with brain white matter lesions. Cephalalgia 2016; 37:571-580. [DOI: 10.1177/0333102416651454] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Background/Aim Migraine is a risk factor for the formation of silent brain white matter lesions (WMLs) that are possibly ischemic in nature. Although dysfunction of the L-arginine/nitric oxide (NO) pathway has been associated with oxidative stress and endothelial dysfunction in migraine, its role in WML development has not been specifically investigated. Thus, this prospective study aimed to measure the serum concentrations of the NO substrate L-arginine, the NO synthase inhibitor asymmetric dimethylarginine (ADMA), and the L-arginine transport regulator symmetric dimethylarginine (SDMA) in migraine patients in a headache-free period. Methods All participants underwent MR imaging to assess for the presence of WMLs on fluid-attenuated inversion recovery imaging. Altogether 109 migraine patients (43 with lesions, 66 without lesions) and 46 control individuals were studied. High-performance liquid chromatography was used to quantify L-arginine, ADMA and SDMA serum concentrations. Migraine characteristics were investigated, and participants were screened for risk factors that can lead to elevated serum ADMA levels independent of migraine. Results Migraine patients and controls did not differ in regard to vascular risk factors. Migraineurs with WMLs had a longer disease duration ( p < 0.001) and a higher number of lifetime headache attacks ( p = 0.005) than lesion-free patients. Higher L-arginine serum levels were found in both migraine subgroups compared to controls ( p < 0.001). Migraine patients with WMLs showed higher ADMA concentrations than lesion-free patients and controls ( p < 0.001, for both). In migraineurs, the presence of WMLs, aura and increasing age proved to be significant predictors of increased ADMA levels ( p = 0.008, 0.047 and 0.012, respectively). SDMA serum levels of lesional migraineurs were higher than in nonlesional patients ( p < 0.001). The presence of lesions and increasing age indicated an increased SDMA level ( p = 0.017 and 0.001, respectively). Binary logistic regression analysis showed that ADMA level ( p = 0.006), increasing age ( p = 0.017) and the total number of lifetime migraine attacks ( p = 0.026) were associated with an increased likelihood of exhibiting WMLs. There was no significant effect of age on ADMA and SDMA concentrations in controls. Conclusions Elevated ADMA levels may impact the pathogenesis of migraine-related WMLs by influencing cerebrovascular autoregulation and vasomotor reactivity. Higher SDMA concentrations may indirectly influence NO synthesis by reducing substrate availability. Elevated L-arginine serum levels might reflect an increased demand for NO synthesis.
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Affiliation(s)
| | | | | | - Norbert Kovács
- Department of Neurology, University of Pécs, Pécs, Hungary
| | - Gábor Perlaki
- Department of Neurology, University of Pécs, Pécs, Hungary
- Diagnostic Center of Pécs, Pécs, Hungary
- MTA-PTE Clinical Neuroscience MR Research Group, Pécs, Hungary
| | - Gergely Orsi
- Department of Neurology, University of Pécs, Pécs, Hungary
- Diagnostic Center of Pécs, Pécs, Hungary
- MTA-PTE Clinical Neuroscience MR Research Group, Pécs, Hungary
| | - Tihamér Molnár
- Department of Anesthesiology and Intensive Care, University of Pécs, Pécs, Hungary
| | - Zsolt Illes
- Department of Neurology, University of Pécs, Pécs, Hungary
| | - Lajos Nagy
- Department of Applied Chemistry, University of Debrecen, Debrecen, Hungary
| | - Sándor Kéki
- Department of Applied Chemistry, University of Debrecen, Debrecen, Hungary
| | - Gabriella Deli
- Department of Neurology, University of Pécs, Pécs, Hungary
| | - Edit Bosnyák
- Department of Neurology, University of Pécs, Pécs, Hungary
| | | | - Zoltán Pfund
- Department of Neurology, University of Pécs, Pécs, Hungary
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14
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Fabjan A, Zaletel M, Žvan B. Is there a persistent dysfunction of neurovascular coupling in migraine? BIOMED RESEARCH INTERNATIONAL 2015; 2015:574186. [PMID: 25705673 PMCID: PMC4331400 DOI: 10.1155/2015/574186] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Accepted: 12/02/2014] [Indexed: 12/21/2022]
Abstract
Changes in cerebral blood flow are one of the main features of migraine attack and have inspired the vascular theory of migraine. This traditional view has been reshaped with recent experimental data, which gave rise to the neural theory of migraine. In this review, we speculate that there might be an important link between the two theories, that is, the dysfunction of neurovascular coupling.
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Affiliation(s)
- Andrej Fabjan
- Institute of Physiology, Medical Faculty, University of Ljubljana, Zaloška Cesta 4, 1000 Ljubljana, Slovenia
| | - Marjan Zaletel
- Department of Vascular Neurology, University Clinical Centre, Zaloška Cesta 2, 1000 Ljubljana, Slovenia
| | - Bojana Žvan
- Department of Vascular Neurology, University Clinical Centre, Zaloška Cesta 2, 1000 Ljubljana, Slovenia
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15
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High sensitivity C-reactive protein and cerebral white matter hyperintensities on magnetic resonance imaging in migraine patients. J Headache Pain 2015; 16:9. [PMID: 25595197 PMCID: PMC4417106 DOI: 10.1186/1129-2377-16-9] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Accepted: 12/22/2014] [Indexed: 12/01/2022] Open
Abstract
Background Migraine is a common headache disorder that may be associated with vascular disease and cerebral white matter hyperintensities (WMHs) on magnetic resonance imaging (MRI) scan. High sensitivity C-reactive protein (hs-CRP) is a marker of inflammation that may predict subclinical atherosclerosis. However, the relation between migraine, vascular risks, and WMHs is unknown. We evaluated hs-CRP levels and the relation between hs-CRP level and WMHs in adult migraine patients. Methods This case–control study included 432 subjects (216 migraine patients [without aura, 143 patients; with aura, 73 patients]; 216 healthy control subjects without migraine; age range 18–50 y). Migraine diagnosis was determined according to the International Classification of Headache Disorders II diagnostic criteria. The migraine patients and control subjects had no known vascular risk factors, inflammatory disease, or comorbid disease. The presence and number of WMHs on MRI scans were determined, and serum hs-CRP levels were measured by latex-enhanced immunoturbidimetry. Results Mean hs-CRP level was significantly greater in migraine patients (1.94 ± 2.03 mg/L) than control subjects (0.82 ± 0.58 mg/L; P ≤ .0001). The mean number of WMHs per subject and the presence of WMHs was significantly greater in migraine patients (69 patients [31.9%]; 1.68 ± 3.12 mg/dL) than control subjects (21 subjects [9.7%]; 0.3 ± 1.3; P ≤ .001). However, there was no correlation between hs-CRP level and WMHs in migraine patients (r = 0.024; not significant). The presence of WMHs was increased 4.35-fold in migraine patients (odds ratio 4.35, P ≤ .001). Conclusions High hs-CRP level may be a marker of the proinflammatory state in migraine patients. However, the absence of correlation between hs-CRP level and WMHs suggests that hs-CRP is not causally involved in the pathogenesis of WMHs in migraine patients. The WMHs were located mostly in the frontal lobe and subcortical area.
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16
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Abstract
Background:Some reports demonstrated vascular alterations in brain magnetic resonance imaging (MRI) in migraineurs and a relationship between circle of Willis (Circle) variants and lacunar brain infarcts. We examined anomalies of the whole circle of Willis and their relationship with vascular brain lesions in migraineurs, to identify any possible vascular mechanism in migraine.Methods:We studied, with a cohort controlled study, the circle of Willis in migraineurs seen consecutively in our Headache Center, and in non-headache controls, using angio-MRI of the brain. Statistical analysis used ANOVA, Scheffè's criterion, t-student test.Results:We recruited 270 migraineurs (204 without aura (MWOA), 66 with aura (MWA) and 159 controls. Migraineurs presented an anatomical variant in 108 (40%) cases with 34 controls (21.4%) presenting a variant. We found a significant association between MWOA and variants (OR=2.4 CI95% [1.5 to 3.9]) and between MWA and variants (OR=3.2 CI95% [1.6 to 4.1]). Unilateral posterior variants with basilar hypoplasia are statistically associated only with MWA compared to controls (OR=9.2, CI95% [2.3 to 37.2]). Thirty-three percent of MWOA and 24% of MWA sufferers present some kind of brain lesion, included 2% of infra-tentorial lesions. We did not find any statistical association between the presence of Circle variants and ischemic lesions on MRI (OR=1.5 CI95% [0.68; 1.94]), or with infratentorial lacunar lesions (OR=1.58 CI95% [0.48 to 5.24]).Conclusions:Anatomical variants of the Circle of Willis are significantly more frequent in migraineurs; posterior anomalies are more frequent in MWA, suggesting a vascular mechanism provoking changes in cerebral blood flow, thereby stimulating cortical spreading depression.
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17
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Erdélyi-Bótor S, Aradi M, Kamson DO, Kovács N, Perlaki G, Orsi G, Nagy SA, Schwarcz A, Dóczi T, Komoly S, Deli G, Trauninger A, Pfund Z. Changes of migraine-related white matter hyperintensities after 3 years: a longitudinal MRI study. Headache 2014; 55:55-70. [PMID: 25319529 DOI: 10.1111/head.12459] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/26/2014] [Indexed: 11/28/2022]
Abstract
OBJECTIVE/BACKGROUND The aim of this longitudinal study was to investigate changes of migraine-related brain white matter hyperintensities 3 years after an initial study. Baseline quantitative magnetic resonance imaging (MRI) studies of migraine patients with hemispheric white matter hyperintensities performed in 2009 demonstrated signs of tissue damage within the hyperintensities. The hyperintensities appeared most frequently in the deep white matter of the frontal lobe with a similar average hyperintensity size in all hemispheric lobes. Since in this patient group the repeated migraine attacks were the only known risk factors for the development of white matter hyperintensities, the remeasurements of migraineurs after a 3-year long follow-up may show changes in the status of these structural abnormalities as the effects of the repeated headaches. METHODS The same patient group was reinvestigated in 2012 using the same MRI scanner and acquisition protocol. MR measurements were performed on a 3.0-Tesla clinical MRI scanner. Beyond the routine T1-, T2-weighted, and fluid-attenuated inversion recovery imaging, diffusion and perfusion-weighted imaging, proton magnetic resonance spectroscopy, and T1 and T2 relaxation time measurements were also performed. Findings of the baseline and follow-up studies were compared with each other. RESULTS The follow-up proton magnetic resonance spectroscopy studies of white matter hyperintensities showed significantly decreased N-acetyl-aspartate (median values 8.133 vs 7.153 mmol/L, P=.009) and creatine/phosphocreatine (median values 4.970 vs 4.641 mmol/L, P=.015) concentrations compared to the baseline, indicating a more severe axonal loss and glial hypocellularity with decreased intracellular energy production. The diffusion values, the T1 and T2 relaxation times, and the cerebral blood flow and volume measurements presented only mild changes between the studies. The number (median values 21 vs 25, P<.001) and volume (median values 0.896 vs 1.140 mL, P<.001) of hyperintensities were significantly higher in the follow-up study. No changes were found in the hemispheric and lobar distribution of hyperintensities. An increase in the hyperintensity size of preexisting lesions was much more common than a decrease (median values 14 vs 5, P=.004). A higher number of newly developed hyperintensities were detected than disappeared ones (130 vs 22), and most of them were small (<.034 mL). Small white matter hyperintensities in patients with a low migraine attack frequency had a higher chance to disappear than large white matter hyperintensities or white matter hyperintensities in patients with a high attack frequency (coefficient: -0.517, P=.034). CONCLUSIONS This longitudinal MRI study found clinically silent brain white matter hyperintensities to be predominantly progressive in nature. The absence of a control group precludes definitive conclusions about the nature of these changes or if their degree is beyond normal aging.
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18
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Orsi G, Aradi M, Nagy SA, Perlaki G, Trauninger A, Bogner P, Janszky J, Illés Z, Dóczi T, Pfund Z, Schwarcz A. Differentiating white matter lesions in multiple sclerosis and migraine using monoexponential and biexponential diffusion measurements. J Magn Reson Imaging 2014; 41:676-83. [PMID: 24677284 DOI: 10.1002/jmri.24580] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2013] [Accepted: 01/14/2014] [Indexed: 12/15/2022] Open
Abstract
PURPOSE To compare the white matter lesions seen in multiple sclerosis and migraine using monoexponential and high b-value biexponential diffusion measurements. MATERIALS AND METHODS Diffusion-weighted images were acquired on a 3.0-Tesla magnetic resonance imaging system. Diffusion parameters were estimated using monoexponential (0-1000 s/mm(2) ) and biexponential (0-5000 s/mm(2) ) approaches from 15 multiple sclerosis patients, 15 patients with migraine and 15 healthy control subjects. The study was performed in accordance with the approval of the Regional Research Ethics Committee. The apparent diffusion coefficient (ADC) values were measured in the lesions and the normal-appearing white matter of patients and in the white matter of controls. RESULTS High lesional ADCmono values were detected in both patient groups without significant differences between the groups (10.72 and 9.86 × 10(-4) mm(2) /s for MS and migraine respectively, P = 0.2134). The biexponential measurements showed significantly higher ADCfast , ADCslow , and Pslow values in the migraine lesions than in the multiple sclerosis lesions (16.47 versus 14.29, 1.41 versus 0.76, and 20.34 versus 12.01 all values in 10(-4) mm(2) /s; P = 0.0344, P = 0.0019, P = 0.0021, respectively). CONCLUSION Biexponential diffusion analysis may help to differentiate multiple sclerosis-related white matter lesions from migraine-related ones.
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Affiliation(s)
- Gergely Orsi
- Diagnostic Centre of Pécs, Pécs, Hungary; MTA-PTE Clinical Neuroscience MR Research Group, University of Pécs, Pécs, Hungary
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Abstract
The pain of the migraine headache is often so debilitating that it severely compromises quality of life. The vascular component of the trigeminovascular system has been implicated in the pain mechanism. There is, however, debate as to whether the pain originates in the intracranial or extracranial vasculature or in both. In this article, evidence is presented to suggest that the extracranial arteries are the source of the pain in some migraine sufferers.
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Affiliation(s)
- Elliot Shevel
- Johannesburg Branch, Headache Clinics International, Suite 256, P. Bag X2600, Houghton 2041, South Africa.
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20
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Denuelle M, Fabre N. Functional neuroimaging of migraine. Rev Neurol (Paris) 2013; 169:380-9. [PMID: 23602115 DOI: 10.1016/j.neurol.2013.02.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2012] [Revised: 01/27/2013] [Accepted: 02/04/2013] [Indexed: 01/07/2023]
Abstract
This review summarizes the history of migraine imaging and key findings of studies on functional neuroimaging in migraine and describes how these data have changed our view of the disorder. Functional neuroimaging during migraine attacks and also interictally has initiated the description of "the migraine brain". These studies have led to the demonstration of cortical spreading depression in migraine with aura, the crucial role for the brainstem during migraine attacks, and cortical hypersensitivity in migraineurs modulated by the trigeminal pathway, explaining sensory sensitization such as photophobia and osmophobia.
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Affiliation(s)
- M Denuelle
- Service de neurologie et d'explorations fonctionnelles neurologiques, hôpital de Rangueil, CHU Toulouse Rangueil, 1, avenue Jean-Poulhès, TSA 50032, 31059 Toulouse cedex 9, France.
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21
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Aradi M, Schwarcz A, Perlaki G, Orsi G, Kovács N, Trauninger A, Kamson DO, Erdélyi-Bótor S, Nagy F, Nagy SA, Dóczi T, Komoly S, Pfund Z. Quantitative MRI Studies of Chronic Brain White Matter Hyperintensities in Migraine Patients. Headache 2012; 53:752-63. [DOI: 10.1111/head.12013] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/26/2012] [Indexed: 11/29/2022]
Affiliation(s)
| | | | | | | | - Norbert Kovács
- Department of Neurology; University of Pécs; Pécs; Hungary
| | | | | | | | - Ferenc Nagy
- Department of Neurology; Kaposi Mór County Hospital; Kaposvár; Hungary
| | | | | | - Sámuel Komoly
- Department of Neurology; University of Pécs; Pécs; Hungary
| | - Zoltán Pfund
- Department of Neurology; University of Pécs; Pécs; Hungary
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Kara B, Kiyat Atamer A, Onat L, Ulusoy L, Mutlu A, Sirvanci M. DTI findings during spontaneous migraine attacks. Clin Neuroradiol 2012; 23:31-6. [PMID: 22892819 DOI: 10.1007/s00062-012-0165-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2012] [Accepted: 07/24/2012] [Indexed: 11/30/2022]
Abstract
PURPOSE Previous functional neuroimaging studies showed that the brainstem may have an important role in migraine and recently, DTI studies demonstrated that structural alterations in migraineurs may extend beyond the normal appearing brain tissue. The aim of our study was to find out if DTI may detect any abnormality during the spontaneous migraine attacks. METHODS The DTI images obtained in a 3T system during spontaneous migraine episodes. Patients with any systemic or metabolic disorder and abnormal signal intensity in conventional sequences were excluded. We measured the FA and ADC values of red nuclei, periaquaductal gray matter, thalami, posterior limbs of internal capsules and subcortical white matter. Fifteen healthy volunteers served as control group. RESULTS Fourteen patients enrolled in the study. The only site where we found an abnormality was the red nuclei, where the ADC values in migraineurs were statistically higher than in healthy volunteers. There was no statistical correlation between the DTI measurements and patients' ages, duration of disease, frequency of attacks and localization of pain. CONCLUSION Our findings supported the findings of previous functional neuroimaging studies, which concluded that the brainstem might have a role in the pathogenesis of a migraine episode. We think that the increase of ADC values in red nuclei may reflect vasogenic edema, which cannot be detected in conventional sequences. However, the exact underlying mechanism for this observation is unclear and we do not know whether these changes are responsible for triggering an attack or if they are the consequents of the attack itself.
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Affiliation(s)
- B Kara
- Department of Radiology, Bakirkoy Dr Sadi Konuk Teaching Hospital, Tevfik Saglam Caddesi No 11 Zuhuratbaba, Bakirkoy, 34147 Istanbul, Turkey.
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Borgdorff P, Tangelder GJ. Migraine: possible role of shear-induced platelet aggregation with serotonin release. Headache 2012; 52:1298-318. [PMID: 22568554 DOI: 10.1111/j.1526-4610.2012.02162.x] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
BACKGROUND Migraine patients are at an increased risk for stroke, as well as other thromboembolic events. This warrants further study of the role of platelets in a proportion of migraine patients. OBJECTIVE To extend the "platelet hypothesis" using literature data and observations made in a rat model of shear stress-induced platelet aggregation. Such aggregation causes release of serotonin, leading to vasoconstriction during sufficiently strong aggregation and to long-lasting vasodilation when aggregation diminishes. This vasodilation also depends on nitric oxide and prostaglandin formation. RESULTS A role for platelet aggregation in a number of migraineurs is indicated by reports of an increased platelet activity during attacks and favorable effects of antiplatelet medication. We hypothesize that in those patients, a migraine attack with or without aura may both be caused by a rise in platelet-released plasma serotonin, albeit at different concentration. At high concentrations, serotonin may cause vasoconstriction and, consequently, the neuronal signs of aura, whereas at low concentrations, it may already stimulate perivascular pain fibers and cause vasodilation via local formation of nitric oxide, prostaglandins, and neuropeptides. Platelet aggregation may be unilaterally evoked by elevated shear stress in a stenotic cervico-cranial artery, by reversible vasoconstriction or by other cardiovascular abnormality, eg, a symptomatic patent foramen ovale. This most likely occurs when a migraine trigger has further enhanced platelet aggregability; literature shows that many triggers either stimulate platelets directly or reduce endogenous platelet antagonists like prostacyclin. CONCLUSION New strategies for migraine medication and risk reduction of stroke are suggested.
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Affiliation(s)
- Piet Borgdorff
- Institute for Cardiovascular Research, VU University Medical Center, Amsterdam, The Netherlands.
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Kamson DO, Illés Z, Aradi M, Orsi G, Perlaki G, Leél-Őssy E, Erdélyi-Botor S, Pótó L, Trauninger A, Pfund Z. Volumetric comparisons of supratentorial white matter hyperintensities on FLAIR MRI in patients with migraine and multiple sclerosis. J Clin Neurosci 2012; 19:696-701. [DOI: 10.1016/j.jocn.2011.07.044] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2011] [Revised: 06/12/2011] [Accepted: 07/16/2011] [Indexed: 11/15/2022]
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Cykowski MD, Lancaster JL, Fox PT. A method to enhance the sensitivity of DTI analyses to group differences: a validation study with comparison to voxelwise analyses. Psychiatry Res 2011; 193:191-8. [PMID: 21764564 PMCID: PMC3156862 DOI: 10.1016/j.pscychresns.2011.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2010] [Revised: 01/25/2011] [Accepted: 03/17/2011] [Indexed: 11/18/2022]
Abstract
Studies of white matter (WM) abnormalities in psychiatric and neurological disorders often use the analysis package Tract-Based Spatial Statistics (TBSS). However, with small samples and/or subtle effects, a study using the standard TBSS approach can be underpowered. For such cases, a new method is presented that summarizes global differences between TBSS-derived fractional anisotropy (FA) images with a single paired t-statistic, estimating the degrees of freedom using spatial autocorrelation. The sensitivity of the method is demonstrated by using well-known aging effects on FA as a proxy for disease effects. Sixty healthy subjects were divided equally into younger- (YA), middle- (MA), and older-aged (OA) groups and significant global differences were demonstrated in the YA versus OA (all N ≥ 4, FA difference≈0.023), MA versus OA (all N≥4, FA difference≈0.017), and YA versus MA (FA difference≈0.005 at N=20) comparisons. In contrast, no significant difference could be detected in the YA versus MA comparison using voxelwise TBSS analysis with the full sample (N=20 per group). This method should facilitate localizing analyses in the direction of a proven group difference while providing clinically relevant information about pathophysiologic processes globally affecting WM.
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Cho SH, Jeong MH, Sim DS, Hong YJ, Park HW, Kim JH, Ahn Y, Cho JG, Park JC, Kang JC. Diagnostic value of nitroglycerin-induced headache as a negative predictor of coronary atherosclerosis. Chonnam Med J 2011; 47:14-9. [PMID: 22111051 PMCID: PMC3214854 DOI: 10.4068/cmj.2011.47.1.14] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2011] [Accepted: 01/31/2011] [Indexed: 11/06/2022] Open
Abstract
The purpose of the present study was to clarify the possible relationship between nitroglycerin (NTG)-induced headache and both vascular functional and organic atherosclerosis. The study included 96 patients with NTG-induced headache (group I: 54.7±9.5 years, 52 males) and 204 patients without headache (group II: 58.1±9.1 years, 127 males) who suffered from new-onset chest pain. Flow-mediated dilation and nitroglycerin-mediated dilation were significantly greater in group I than in group II (8.8±4.1% vs. 7.1±3.5%, p=0.001, and 23.1±7.3% vs. 17.1±11.8%, p<0.001, respectively). The carotid intima-media thickness was significantly smaller in group I than in group II (0.55±0.15 mm vs. 0.67±0.22 mm, p=0.001). Heart-carotid pulse wave velocity was significantly lower in group I than in group II (784.5±160.1 m/s vs. 979.1±215.6 m/s, p=0.003). In the multiple regression analysis, the absence of NTG-induced headache was a predictor of coronary artery disease (CAD) (odds ratio: 17.89, 95% confidence interval: 7.89-40.02, p<0.001). NTG-induced headache developed more frequently in patients with normal coronary arteries or minimal CAD than in patients with obstructive CAD. The presence of NTG-induced headache might be helpful and provide additional information in evaluating patients with chest pain syndrome.
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Affiliation(s)
- Sook Hee Cho
- The Heart Research Center of Chonnam National University Hospital, Gwangju, Korea
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Perko D, Pretnar-Oblak J, Sabovic M, Zvan B, Zaletel M. Endothelium-dependent vasodilatation in migraine patients. Cephalalgia 2011; 31:654-60. [PMID: 21296807 DOI: 10.1177/0333102410390396] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Endothelial dysfunction could be involved in the pathophysiology of migraine. The results obtained from a few studies on endothelial dysfunction in migraine are controversial. We investigated brachial flow-mediated dilatation (FMD), which reflects systemic endothelial dysfunction, in migraine patients without comorbidities. By employing strict inclusion criteria we avoided the possible changes to FMD from confounding factors. METHODS Forty migraine patients without comorbidities (20 with and 20 without aura) and 20 healthy subjects were included. FMD of brachial arteries and carotid intima-media thickness were measured by using standard procedures. RESULTS We did not find any difference in FMD between migraine patients and healthy subjects (p = .96). Also, no differences were found among healthy subjects, migraine patients with aura and without aura (p = .99). CONCLUSION Our study showed that systemic endothelial function is not impaired in migraine patients without comorbidities, neither in those with or without aura. Considering these findings, the investigation of cerebral endothelial function would be useful in a further investigation of the role of endothelial (dys)function in migraine pathophysiology.
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Affiliation(s)
- Denis Perko
- University Medical Center Ljubljana, Department of Neurology, Ljubljana, Slovenia.
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Kruit MC, van Buchem MA, Launer LJ, Terwindt GM, Ferrari MD. Migraine is associated with an increased risk of deep white matter lesions, subclinical posterior circulation infarcts and brain iron accumulation: the population-based MRI CAMERA study. Cephalalgia 2011; 30:129-36. [PMID: 19515125 DOI: 10.1111/j.1468-2982.2009.01904.x] [Citation(s) in RCA: 248] [Impact Index Per Article: 19.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Previous studies have suggested that migraine is a risk factor for brain lesions, but methodological issues hampered drawing definite conclusions. Therefore, we initiated the magnetic resonance imaging (MRI) ‘CAMERA’ (Cerebral Abnormalities in Migraine, an Epidemiological Risk Analysis) study. We summarize our previously published results. A total of 295 migraineurs and 140 controls were randomly selected from a previously diagnosed population-based sample (n = 6039), who underwent an interview, physical examination and a brain MRI scan. Migraineurs, notably those with aura, had higher prevalence of subclinical infarcts in the posterior circulation [odds ratio (OR) 13.7; 95% confidence interval (CI) 1.7, 112]. Female migraineurs were at independent increased risk of white matter lesions (WMLs; OR 2.1; 95% CI 1.0, 4.1), and migraineurs had a higher prevalence of brainstem hyperintense lesions (4.4% vs. 0.7%, P = 0.04). We observed a higher lifetime prevalence of (frequent) syncope and orthostatic insufficiency in migraineurs; future research needs to clarify whether autonomic nervous system dysfunction could explain (part of) the increased risk of WMLs in female migraineurs. Finally, in migraineurs aged < 50 years, compared with controls, we found evidence of increased iron concentrations in putamen (P = 0.02), globus pallidus (P = 0.03) and red nucleus (P = 0.03). Higher risks in those with higher attack frequency or longer disease duration were found consistent with a causal relationship between migraine and lesions. This summary of our population-based data illustrates that migraine is associated with a significantly increased risk of brain lesions. Longitudinal studies are needed to assess whether these lesions are progressive and have relevant (long-term) functional correlates.
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Affiliation(s)
- M C Kruit
- Department of Radiology, Leiden University Medical Centre, Leiden, the Netherlands
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Kim JH, Kim S, Suh SI, Koh SB, Park KW, Oh K. Interictal metabolic changes in episodic migraine: a voxel-based FDG-PET study. Cephalalgia 2010; 30:53-61. [PMID: 19489887 DOI: 10.1111/j.1468-2982.2009.01890.x] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Whereas there are many H(2)(15)O-positron emission tomography (PET) studies demonstrating neuronal activation during acute migraine attacks, little information is available on the interictal (headache-free period) glucose metabolic changes in migraine. We therefore conducted voxel-based statistical parametric mapping analysis of (18)F-fluorodeoxyglucose-PET to evaluate interictal metabolic differences between 20 episodic migraine patients (four with aura; three men; mean age 34.0 +/- 6.4 years) and 20 control subjects. Separate correlation analyses were performed to delineate a possible relationship between regional glucose metabolism and disease duration or lifetime headache frequency in migraine patients. Group comparison showed that migraine patients had significant hypometabolism in several regions known to be involved in central pain processing, such as bilateral insula, bilateral anterior and posterior cingulate cortex, left premotor and prefrontal cortex, and left primary somatosensory cortex (uncorrected P < 0.001, corrected P < 0.05 with small volume corrections). Correlation analyses showed that regional metabolism of the insula and anterior cingulate cortex had significant negative correlations with disease duration and lifetime headache frequency (uncorrected P < 0.001, corrected P < 0.05 with small volume corrections). Our findings of progressive glucose hypometabolism in relation to increasing disease duration and increasing headache frequency suggest that repeated migraine attacks over time lead to metabolic abnormalities of selective brain regions belonging to the central pain matrix.
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Affiliation(s)
- J H Kim
- Department of Neurology, Korea University Medical Centre, Korea University College of Medicine, Seoul, Korea
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Vargas MI, Nguyen D, Sztajzel R, Coeytaux A, Becker M, Delavelle J. [Migraine associated with reversible and irreversible vascular lesions]. JOURNAL DE RADIOLOGIE 2010; 91:1320-1322. [PMID: 21242921 DOI: 10.1016/s0221-0363(10)70203-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
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Tfelt-Hansen PC. Verisimilitude (or "truthlikeness") as an alternative to pro and cons: migraine and cluster headache mechanisms. J Headache Pain 2010; 11:379-89. [PMID: 20607582 PMCID: PMC3452275 DOI: 10.1007/s10194-010-0232-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2010] [Accepted: 06/04/2010] [Indexed: 12/13/2022] Open
Abstract
Calculating verisimilitude (or "truthlikeness") ad modum Popper is a quantitative alternative to the usual pros and cons in migraine and cluster headache mechanisms. The following items were evaluated: dilation of large cranial arteries during migraine; CGRP increase during migraine; migraine as a brain disorder; aura and migraine headache; brain stem activation during migraine; rCBF in migraine without aura; NO and pathophysiology of migraine; neurogenic inflammation and migraine; aura in cluster headache; and hypothalamic activation in cluster headache. It is concluded that verisimilitude calculations can be helpful when judging pathophysiological problems in migraine and cluster headache.
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Affiliation(s)
- Peer Carsten Tfelt-Hansen
- Department of Neurology, Danish Headache Centre, Glostrup Hospital, University of Copenhagen, Glostrup, Denmark.
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Yilmaz-Kusbeci O, Gocmen-Mas N, Yucel A, Karabekir HS, Ertekin T, Yazici AC. Evaluation of Cerebellar and Cerebral Volume in Migraine with Aura: A Stereological Study. THE CEREBELLUM 2010; 9:345-51. [DOI: 10.1007/s12311-010-0167-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Denuelle M, Fabre N, Payoux P, Chollet F, Geraud G. Posterior Cerebral Hypoperfusion in Migraine Without Aura. Cephalalgia 2008; 28:856-62. [DOI: 10.1111/j.1468-2982.2008.01623.x] [Citation(s) in RCA: 92] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
In cerebral blood flow studies, migraine aura is characterized by a posterior cortical hypoperfusion. In contrast, only rare and mild changes in brain perfusion have been demonstrated in migraine without aura, suggesting two different haemodynamic patterns in migraine with and without aura. Our aim was to study hypoperfusion with positron emission tomography (PET) as early as possible during spontaneous migraine without aura attacks. We used H215O PET to investigate seven patients (six female, one male) with migraine without aura (International Classification of Headache Diseases-II code 1.1) in three situations: during the headache phase, after headache relief following sumatriptan injection, and during an attack-free interval. Statistical analysis was performed with SPM2. Within 4 h after the attack onset, significant relative bilateral posterior cortical hypoperfusion was found and persisted after headache relief following sumatriptan injection. A posterior cortical hypoperfusion demonstrated in migraine without aura could suggest a common pathogenesis in migraine with and without aura. The significance of relative posterior hypoperfusion in migraine without aura is discussed according to the current knowledge of migraine pathogenesis.
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Affiliation(s)
- M Denuelle
- Department of Neurology, Rangueil Hospital, Toulouse, France
| | - N Fabre
- Department of Neurology, Rangueil Hospital, Toulouse, France
| | - P Payoux
- INSERM U825, Université Paul Sabatier, Purpan Hospital, Toulouse, France
| | - F Chollet
- INSERM U825, Université Paul Sabatier, Purpan Hospital, Toulouse, France
| | - G Geraud
- Department of Neurology, Rangueil Hospital, Toulouse, France
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Kim JH, Suh SI, Seol HY, Oh K, Seo WK, Yu SW, Park KW, Koh SB. Regional grey matter changes in patients with migraine: a voxel-based morphometry study. Cephalalgia 2008; 28:598-604. [PMID: 18422725 DOI: 10.1111/j.1468-2982.2008.01550.x] [Citation(s) in RCA: 252] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We used voxel-based morphometry (VBM) to compare grey matter volume (GMV) between 20 migraine patients (five with aura and 15 without aura) with normal conventional magnetic resonance imaging findings and 33 healthy controls matched for age and sex. A separate analysis was also performed to delineate a possible correlation between the GMV changes and the headache duration or lifetime headache frequency. When compared with controls, migraine patients had significant GMV reductions in the bilateral insula, motor/premotor, prefrontal, cingulate cortex, right posterior parietal cortex, and orbitofrontal cortex (P < 0.001, uncorrected for multiple comparisons at a voxel level; corrected P < 0.05 after small volume corrections). All regions of the GMV changes were negatively correlated with headache duration and lifetime headache frequency (P < 0.05, Pearson's correlation test). We found evidence for structural grey matter changes in patients with migraine. Our findings of progressive GMV reductions in relation to increasing headache duration and increasing headache frequency suggest that repeated migraine attacks over time result in selective damage to several brain regions involved in central pain processing.
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Affiliation(s)
- J H Kim
- Department of Neurology, Korea University Medical Centre, Korea University College of Medicine, Seoul, Korea
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Del Sette M, Dinia L, Bonzano L, Roccatagliata L, Finocchi C, Parodi RC, Sivori G, Gandolfo C. White Matter Lesions in Migraine and Right-to-Left Shunt: A Conventional and Diffusion MRI Study. Cephalalgia 2008; 28:376-82. [DOI: 10.1111/j.1468-2982.2008.01544.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Subjects with migraine with aura (MA) have a high prevalence of white matter lesions (WMLs) on magnetic resonance imaging (MRI). Moreover, right-to-left shunt (RILES), mainly due to patent foramen ovale, is frequently associated with MA. The aim of this study was to clarify the relationship between RILES and WML in MA. We enrolled 87 consecutive subjects affected by MA. Patients were screened for migraine characteristics and cerebrovascular risk factors. Transcranial Doppler was used to diagnose RILES and MRI with T2-weighted and diffusion-weighted imaging (DWI) to evaluate presence, number and volume of WMLs. RILES was present in 45% of patients. We did not detect any DWI hyperintense lesion; WMLs were present in 61% of patients on T2-weighted images. Presence of WMLs did not correlate with any migraine clinical feature, whereas the presence, number and volume of WMLs increased with subjects' age. There was no significant difference in the total volume and number of WMLs in the group with and without RILES. In conclusion, RILES does not increase the likelihood of finding WMLs in migraineurs.
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Affiliation(s)
- M Del Sette
- Department of Neurosciences, Ophthalmology and Genetics, University of Genova, Genova, Italy
| | - L Dinia
- Department of Neurosciences, Ophthalmology and Genetics, University of Genova, Genova, Italy
| | - L Bonzano
- Department of Neurosciences, Ophthalmology and Genetics, University of Genova, Genova, Italy
- Magnetic Resonance Research Centre on Nervous System Diseases, University of Genova, Genova, Italy
| | - L Roccatagliata
- Department of Neurosciences, Ophthalmology and Genetics, University of Genova, Genova, Italy
- Magnetic Resonance Research Centre on Nervous System Diseases, University of Genova, Genova, Italy
| | - C Finocchi
- Department of Neurosciences, Ophthalmology and Genetics, University of Genova, Genova, Italy
| | - RC Parodi
- Neuroradiology Unit, San Martino Hospital, Genova, Italy
| | - G Sivori
- Department of Neurosciences, Ophthalmology and Genetics, University of Genova, Genova, Italy
| | - C Gandolfo
- Department of Neurosciences, Ophthalmology and Genetics, University of Genova, Genova, Italy
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Migraine and circle of Willis anomalies. Med Hypotheses 2008; 70:860-5. [DOI: 10.1016/j.mehy.2007.05.057] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2007] [Accepted: 05/16/2007] [Indexed: 11/21/2022]
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Abstract
Brain imaging of pain has made remarkable strides in the past year and a half. The basic regional activation pattern after acute nociceptive stimulation is now fairly well clarified. The extension of imaging studies from normal subjects to include cohorts of pathological pain patients is occurring. The techniques of positron emission tomography, functional magnetic resonance imaging and single photon emission computed tomography have all been applied to the study of human pain processing and the assessment of physiological interventions or psychological manipulations. Studies using labelled ligands to trace receptor alterations have also been conducted. Although more work could be done on the pharmacology and physiology of anesthesiology, the resulting set of observations provides a deeper understanding of the basic human neurophysiology of pain and a potential neural framework for better pain management.
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Affiliation(s)
- M J Iadarola
- Neuronal Gene Expression Unit, Pain and Neurosensory Mechanisms Branch, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD 20893, USA
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Intiso D, Di Rienzo F, Rinaldi G, Zarrelli MM, Giannatempo GM, Crociani P, Di Viesti P, Simone P. Brain MRI white matter lesions in migraine patients: is there a relationship with antiphospholipid antibodies and coagulation parameters? Eur J Neurol 2007; 13:1364-9. [PMID: 17116221 DOI: 10.1111/j.1468-1331.2006.01519.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Brain magnetic resonance imaging (MRI) studies in migraine patients have demonstrated lesions consisting of focal regions of increased signal intensity within the white matter. Antiphospholipid antibodies are known to have a role in many diseases including migraine. The aim of the present study was to ascertain the relationship between MRI-visualized cerebral focal hyperintense lesions and serum antiphospholipid antibody levels, as well as blood coagulation parameters in migraine patients. One hundred and two (77 females, 25 males, mean age 33.8 +/- 11.1) consecutive migraine patients and a control group of 94 (70 females, 24 males, mean age 33.2 +/- 10.8) healthy subjects were enrolled. All individuals underwent brain MRI. Complete blood examinations, autoantibodies, antiphospholipids antibodies including anticardiolipin and lupus anticoagulant (aCL, LAC), antithrombin III, Protein C and S serum levels were ascertained in the subjects who presented white matter lesions on MRI. Twenty-seven (26.4%) migraine patients and six (6.3%) healthy subjects in the control group showed focal regions of increased intensity signal within cerebral white matter (odds ratio 5.3, 95% CI: 1.98-16.36). In migraine patients with white matter lesions, antiphospholipid antibodies were not detected and serum levels of antithrombin III, and proteins C and S were normal. White matter lesions in migraine patients are fairly common. This finding is not associated with antiphospholipid antibodies or abnormal coagulation parameters. The significance of such lesions at present remains unclear.
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Affiliation(s)
- D Intiso
- Department of Neurology and Rehabilitation, Scientific Institute, Casa Sollievo della Sofferenza, S. Giovanni Rotondo (FG), Italy.
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Goldstein LB, Adams R, Alberts MJ, Appel LJ, Brass LM, Bushnell CD, Culebras A, DeGraba TJ, Gorelick PB, Guyton JR, Hart RG, Howard G, Kelly-Hayes M, Nixon JVI, Sacco RL. Primary Prevention of Ischemic Stroke. Stroke 2006; 113:e873-923. [PMID: 16785347 DOI: 10.1161/01.str.0000223048.70103.f1] [Citation(s) in RCA: 785] [Impact Index Per Article: 43.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Background and Purpose—
This guideline provides an overview of the evidence on various established and potential stroke risk factors and provides recommendations for the reduction of stroke risk.
Methods—
Writing group members were nominated by the committee chair on the basis of each writer’s previous work in relevant topic areas and were approved by the American Heart Association Stroke Council’s Scientific Statement Oversight Committee. The writers used systematic literature reviews (covering the time period since the last review published in 2001 up to January 2005), reference to previously published guidelines, personal files, and expert opinion to summarize existing evidence, indicate gaps in current knowledge, and when appropriate, formulate recommendations based on standard American Heart Association criteria. All members of the writing group had numerous opportunities to comment in writing on the recommendations and approved the final version of this document. The guideline underwent extensive peer review before consideration and approval by the AHA Science Advisory and Coordinating Committee.
Results—
Schemes for assessing a person’s risk of a first stroke were evaluated. Risk factors or risk markers for a first stroke were classified according to their potential for modification (nonmodifiable, modifiable, or potentially modifiable) and strength of evidence (well documented or less well documented). Nonmodifiable risk factors include age, sex, low birth weight, race/ethnicity, and genetic factors. Well-documented and modifiable risk factors include hypertension, exposure to cigarette smoke, diabetes, atrial fibrillation and certain other cardiac conditions, dyslipidemia, carotid artery stenosis, sickle cell disease, postmenopausal hormone therapy, poor diet, physical inactivity, and obesity and body fat distribution. Less well-documented or potentially modifiable risk factors include the metabolic syndrome, alcohol abuse, drug abuse, oral contraceptive use, sleep-disordered breathing, migraine headache, hyperhomocysteinemia, elevated lipoprotein(a), elevated lipoprotein-associated phospholipase, hypercoagulability, inflammation, and infection. Data on the use of aspirin for primary stroke prevention are reviewed.
Conclusion—
Extensive evidence is available identifying a variety of specific factors that increase the risk of a first stroke and providing strategies for reducing that risk.
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Abstract
BACKGROUND AND PURPOSE Migraineurs are at increased risk of cerebellar infarcts and supratentorial white matter lesions. The prevalence, frequency, and distribution of infratentorial hyperintense lesions in migraine are unknown. METHODS Migraineurs with aura (n=161), without aura (n=134), and controls (n=140) from a population-based sample of adults (30 to 60 years of age) were evaluated with MRI. RESULTS Infratentorial hyperintensities were identified in 13 of 295 (4.4%) migraineurs and in 1 of 140 (0.7%) controls (P=0.04). Twelve cases had hyperintensities, mostly bilaterally, in the dorsal basis pontis. Those with infratentorial hyperintensities also had supratentorial white matter lesions more often. CONCLUSIONS We found an increased prevalence of infratentorial (mostly pontine) hyperintensities in migraineurs from the general population. This extends the knowledge about vulnerable brain regions and type of lesions in migraine brains. A hemodynamic ischemic pathogenesis is likely, but further research is needed.
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Affiliation(s)
- Mark C Kruit
- Department of Radiology, Leiden University Medical Center, PO Box 9600, The Netherlands.
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Abstract
Patients with migraine are at increased risk for white matter hyperintensities detected on magnetic resonance imaging. The presence of nonspecific white matter hyperintensities may cause uncertainty for physicians and anxiety for patients. The pathophysiology and long-term consequences of these lesions are unknown. Occasionally, white matter lesions in a migraineur may indicate an underlying disease such as cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL), mitochondrial encephalopathy with lactic acidosis and stroke-like episodes (MELAS), or central nervous system vasculitis. The ability to distinguish between nonspecific and disease-specific patterns of white matter hyperintensities in migraine sufferers is important for the practicing clinician.
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Affiliation(s)
- Alyx Porter
- University of Toronto, Division of Neurology, 1333 Sheppard Avenue East, Suite 122, M2J 1V1, Toronto, Ontario, Canada
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Kruit MC, Launer LJ, Ferrari MD, van Buchem MA. Infarcts in the posterior circulation territory in migraine. The population-based MRI CAMERA study. ACTA ACUST UNITED AC 2005; 128:2068-77. [PMID: 16006538 DOI: 10.1093/brain/awh542] [Citation(s) in RCA: 254] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
In a previous study, migraine cases from the general population were found to be at significantly increased risk of silent infarct-like lesions in the posterior circulation (PC) territory of the brain, notably in the cerebellum. In this study we describe the clinical and neuroimaging characteristics of migraine cases with and without aura and controls with PC lesions. In total, 39 PC infarct-like lesions represented the majority (65%) of all 60 identified brain infarct-like lesions in the study sample (n = 435 subjects with and without migraine). Most lesions (n = 33) were located in the cerebellum, often multiple, and were round or oval-shaped, with a mean size of 7 mm. The majority (88%) of infratentorial infarct-like lesions had a vascular border zone location in the cerebellum. Prevalence of these border zone lesions differed between controls (0.7%), cases with migraine without aura (2.2%) and cases with migraine with aura (7.5%). Besides higher age, cardiovascular risk factors were not more prevalent in cases with migraine with PC lesions. Presence of these lesions was not associated with supratentorial brain changes, such as white matter lesions. The combination of vascular distribution, deep border zone location, shape, size and imaging characteristics on MRI makes it likely that the lesions have an infarct origin. Previous investigators attributed cases of similar 'very small' cerebellar infarcts in non-migraine patients to a number of different infarct mechanisms. The relevance and likelihood of the aetiological options are placed in the context of known migraine pathophysiology. In addition, the specific involvement of the cerebellum in migraine is discussed. The results suggest that a combination of (possibly migraine attack-related) hypoperfusion and embolism is the likeliest mechanism for PC infarction in migraine, and not atherosclerosis or small-vessel disease.
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Affiliation(s)
- Mark C Kruit
- Department of Radiology, Leiden University Medical Centre, 2300 RC Leiden, The Netherlands.
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Géraud G, Denuelle M, Fabre N, Payoux P, Chollet F. Tomographie par émission de positons dans la migraine. Rev Neurol (Paris) 2005; 161:666-70. [PMID: 16141953 DOI: 10.1016/s0035-3787(05)85111-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Due to technical constraints and randomness of migraine attacks, studies using PET are scarce. Nevertheless, these studies have given new insights into migraine pathogenesis. One of the main facts revealed by PET studies is that posterior cerebral hypoperfusion accompanying migraine auras could also be present in migraine attacks without aura. This hypoperfusion is probably due to an increase of intrinsic vasoconstrictive tone in the cerebral circulation. Using PET within 6 hours after the onset of a spontaneous migraine attack, significant activations of brainstem (midbrain and pons) and of hypothalamus, persisting after headache relief by sumatriptan have been shown. These structures could play the role of migraine attack generators, modulating intrinsic vascular tone and central pain transmission.
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Affiliation(s)
- G Géraud
- Service de Neurologie et d'Explorations fonctionnelles du Système Nerveux, CHU Toulouse-Rangueil, France
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Abstract
BACKGROUND Patients with migraine are at an increased risk for white matter lesions, typically multiple, small, punctate hyperintensities in the deep or periventricular white matter, best observed on magnetic resonance imaging utilizing T2-weighted or FLAIR sequences. The underlying pathogenesis of white matter lesions in migraineurs is unknown, and the lesions are usually nonspecific and of unclear clinical significance. REVIEW SUMMARY Often the presence of white matter lesions causes uncertainty for physicians and anxiety for patients and may lead to a variety of diagnostic tests and treatments. Occasionally, white matter lesions may represent a secondary cause for headaches such as CADASIL (cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy). CADASIL is underrecognized and underdiagnosed; it should be suggested by (i) 1 or more of recurrent subcortical ischemic strokes (especially before age 60 and in the absence of vascular risk factors), migraine (especially with aura, including atypical or prolonged auras) and/or early cognitive decline or subcortical dementia; (ii) bilateral, multifocal, T2/FLAIR hyperintensities in the deep white matter and periventricular white matter with lesions involving the anterior temporal pole, external capsule, basal ganglia, and/or pons; and (iii) an autosomal-dominant family history of migraine, early-onset stroke, or dementia. The clinical spectrum of CADASIL is broad, and there is a poor genotype-phenotype correlation. In certain individuals or families, migraine may be the only clinical manifestation. CONCLUSIONS While the prevalence of nonspecific white matter lesions in migraineurs is increased, the white matter lesions may occasionally represent a secondary cause for headache such as CADASIL. Greater awareness of the unique clinical, neuroimaging, and pathologic features, as well as the availability of diagnostic genetic testing, should enhance the recognition and diagnosis of this fascinating condition.
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Affiliation(s)
- Jonathan P Gladstone
- Mayo Clinic College of Medicine, Department of Neurology, 13400 E. Shea Blvd., Scottsdale, AZ 85259, USA.
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Affiliation(s)
- Daniela Pietrobon
- Department of Biomedical Sciences, University of Padova, via G. Colombo 3, 35121 Padova, Italy.
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Blake P, Johnson B, VanMeter JW. Positron Emission Tomography (PET) and Single Photon Emission Computed Tomography (SPECT): Clinical Applications. J Neuroophthalmol 2003; 23:34-41. [PMID: 12616088 DOI: 10.1097/00041327-200303000-00009] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Positron emission tomography and single-photon emission computed tomography are nuclear imaging modalities that excel in depicting the biological function of tissue. Unlike structural imaging methods, they provide functional diagnostic information about brain neoplasms, stroke, neurodegenerative disorders, epilepsy, cortical visual loss, and migraine.
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Affiliation(s)
- Pamela Blake
- Department of Neurology, Center for the Study of Learning, Georgetown University Medical Center, Washington, USA.
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