Headache
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The 1988 classification by the International Headache Society (IHS) first defined drug-induced headache as a specific disorder, belonging to secondary headaches, subtype 8.2 (headache induced by chronic substance use or exposure). In 2004 ICHD-II, this definition was replaced by medication-overuse headache (MOH). It was established that a definite diagnosis of MOH required the improvement of the disorder after cessation of medication overuse. ⋯ We therefore propose to continue to use the diagnosis of probable MOH to research aims. We also propose to modify the classification of MOH subforms according to the presence or absence of a dependence-producing property of overused drugs. This will allow to better analyze the role of the various medications in inducing chronic headache and the outcomes of treatments.
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Comparative Study
Bilateral pressure pain sensitivity mapping of the temporalis muscle in chronic tension-type headache.
To analyze pressure pain sensitivity maps in chronic tension-type headache (CTTH) and healthy controls over nine locations covering the temporalis muscle. ⋯ Our data may provide preliminary new key information about muscle sensitivity, since it seems that pressure pain sensitivity maps could be different between CTTH patients and healthy subjects. Further studies with greater sample sizes and other headache populations are now required to confirm our results.
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To investigate clinical features of a pediatric population presenting with headache to a pediatric emergency department (ED) and to identify headache characteristics which are more likely associated with serious, life-threatening conditions in distinction from headaches due to more benign processes. ⋯ Differential diagnosis between primary and secondary headaches can be very difficult, especially in an ED setting. The majority of headaches are secondary to respiratory infectious diseases and minor head trauma. Our data allowed us to identify clinical features useful to recognize intracranial life-threatening conditions.
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Certain migraines are labeled as refractory, but the entity lacks a well-accepted operational definition. This article summarizes the results of a survey sent to American Headache Society members to evaluate interest in a definition for RM and what were considered necessary criteria. Review of the literature, collaborative discussions and results of the survey contributed to the proposed definition for RM. ⋯ Patients must also fail adequate trials of abortive medicines, including both a triptan and dihydroergotamine (DHE) intranasal or injectable formulation and either nonsteroidal anti-inflammatory drugs (NSAIDs) or combination analgesic, unless contraindicated. An adequate trial is defined as a period of time during which an appropriate dose of medication is administered, typically at least 2 months at optimal or maximum-tolerated dose, unless terminated early due to adverse effects. The definition also employs modifiers for the presence or absence of medication overuse, and with or without significant disability.
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Randomized Controlled Trial Multicenter Study
Efficacy and tolerability of coadministration of rizatriptan and acetaminophen vs rizatriptan or acetaminophen alone for acute migraine treatment.
To evaluate the efficacy and tolerability of coadministration of rizatriptan and acetaminophen in the acute treatment of migraine. ⋯ Rizatriptan coadministered with acetaminophen achieved 2 of the 3 primary hypotheses, proving superior to both acetaminophen and placebo for 2-h pain relief, but failing to achieve superiority to rizatriptan alone. RA was as well tolerated as each of the individual agents.