Cephalalgia : an international journal of headache
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Randomized Controlled Trial
The influence of ictal cutaneous allodynia on the response to occipital transcutaneous electrical stimulation in chronic migraine and chronic tension-type headache: a randomized, sham-controlled study.
The objective of this article is to determine whether cutaneous allodynia (CA) influences the response to treatment with occipital transcutaneous electrical stimulation (OTES) in chronic migraine (CM) and chronic tension-type headache (CTTH). ⋯ Severe CA is associated with decreased response to treatment with OTES in patients with CM and CTTH.
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Randomized Controlled Trial
Randomized controlled trial of the orexin receptor antagonist filorexant for migraine prophylaxis.
This study explored whether antagonism of orexin receptors might be an effective mechanism for migraine prevention. ⋯ These data fail to provide evidence that antagonism of orexin receptors with filorexant, when administered at night, is effective for migraine prophylaxis.
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Most studies assessing the association between migraine and obesity have shown conflicting results. We aimed to evaluate the association between obesity and migraine in ELSA-Brasil, a cohort study of 15,105 individuals aged 35-74 years. ⋯ In our large sample of individuals aged 35 years or older, obesity, but not AbO, was associated with daily migraine. AbO influenced the association between BMI and daily migraine in migraineurs aged 35-49 years.
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The aim of this article is to determine vasoactive intestinal peptide (VIP) levels outside migraine attacks in peripheral blood as a potential biomarker for chronic migraine (CM). ⋯ Increased interictal VIP level measured in peripheral blood could be a biomarker helping in CM diagnosis, though it does not clearly differentiate between EM and CM.
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Cluster headache is an excruciating unilateral headache with autonomic symptoms whose periodic nocturnal activity, which interrupts sleep, has been attributed to a hypothalamic generator. ⋯ This case documents two new aspects of cluster headache. It suggests that repeated nocturnal awakenings can be a warning sign of an impending cluster period, a finding that may have therapeutic implications, and also that hypothalamic activation may begin several days before trigemino-autonomic symptoms, thus behaving as a true bout generator.