Results 71 to 80 of about 198,836 (264)

Pathophysiology of migraine [PDF]

open access: yesAnnals of Indian Academy of Neurology, 2006
Migraine is a common disabling brain disorder whose pathophysiology is now being better understood. The study of anatomy and physiology of pain producing structures in the cranium and the central nervous system modulation of the input have led to the conclusion that migraine involves alterations in the sub-cortical aminergic sensory modulatory systems ...
openaire   +6 more sources

Estimation of migraine prevalence considering active and inactive states across different age groups

open access: yesThe Journal of Headache and Pain, 2023
Background Migraine is a very common headache disorder on the population level, characterized by symptomatic attacks (activity). For many people with migraine, the migraine symptoms intermittently or permanently cease during their lifetime (inactive ...
Marco Piccininni   +3 more
doaj   +1 more source

European headache federation guideline on the use of monoclonal antibodies acting on the calcitonin gene related peptide or its receptor for migraine prevention

open access: yesThe Journal of Headache and Pain, 2019
Background and aimMonoclonal antibodies acting on the calcitonin gene-related peptide or on its receptor are new drugs to prevent migraine. Four monoclonal antibodies have been developed: one targeting the calcitonin gene-related peptide receptor ...
S. Sacco   +6 more
semanticscholar   +1 more source

Failure of feedback as a putative common mechanism of spreading depolarizations in migraine and stroke [PDF]

open access: yes, 2008
The stability of cortical function depends critically on proper regulation. Under conditions of migraine and stroke a breakdown of transmembrane chemical gradients can spread through cortical tissue. A concomitant component of this emergent spatio-temporal pattern is a depolarization of cells detected as slow voltage variations.
arxiv   +1 more source

Migraine prevalence, disease burden, and the need for preventive therapy

open access: yesNeurology, 2007
Objectives: 1) To reassess the prevalence of migraine in the United States; 2) to assess patterns of migraine treatment in the population; and 3) to contrast current patterns of preventive treatment use with recommendations for use from an expert ...
R. Lipton   +5 more
semanticscholar   +1 more source

The Chronic Migraine Brain: What Have We Learned From Neuroimaging?

open access: yesFrontiers in Neurology, 2020
Chronic migraine is a highly disabling disease with a great impact on socioeconomic functioning and quality of life of migraine patients. Chronic migraine usually evolves from episodic migraine that gradually increases in attack frequency, supporting the
Massimo Filippi   +4 more
doaj   +1 more source

Two-dimensional wave patterns of spreading depolarization: retracting, re-entrant, and stationary waves [PDF]

open access: yes, 2009
We present spatio-temporal characteristics of spreading depolarizations (SD) in two experimental systems: retracting SD wave segments observed with intrinsic optical signals in chicken retina, and spontaneously occurring re-entrant SD waves that repeatedly spread across gyrencephalic feline cortex observed by laser speckle flowmetry.
arxiv   +1 more source

Ubrogepant for the Treatment of Migraine.

open access: yesNew England Journal of Medicine, 2019
BACKGROUND Ubrogepant is an oral, small-molecule calcitonin gene-related peptide receptor antagonist for acute migraine treatment. METHODS We conducted a randomized trial to evaluate the efficacy, safety, and side-effect profile of ubrogepant.
D. Dodick   +6 more
semanticscholar   +1 more source

Serial systemic immune inflammation indices: markers of acute migraine events or indicators of persistent inflammatory status?

open access: yesThe Journal of Headache and Pain
Background Migraine is the most common complex neurological disorder, affecting over a billion people worldwide. Neurogenic inflammation has long been recognized as a key factor in the pathophysiology of migraine though little research has been directed ...
Tissa Wijeratne   +8 more
doaj   +1 more source

Effect of galcanezumab on severity and symptoms of migraine in phase 3 trials in patients with episodic or chronic migraine

open access: yesThe Journal of Headache and Pain, 2021
Background Galcanezumab, a humanized monoclonal antibody that binds calcitonin gene-related peptide, has demonstrated a significant reduction in monthly migraine headache days compared with placebo. Here, we analyze data from 3 randomized clinical trials
Michael Ament   +6 more
doaj   +1 more source

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