The journal of headache and pain
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Randomized Controlled Trial
Tolerability and efficacy of a combination of paracetamol and caffeine in the treatment of tension-type headache: a randomised, double-blind, double-dummy, cross-over study versus placebo and naproxen sodium.
The main aim of this study was to confirm in an Italian population affected by tension-type headache (TTH) the good profile of safety and tolerability of the combination paracetamol 1,000 mg-caffeine 130 mg (PCF) observed in previous studies, by a comparison with naproxen sodium 550 mg (NAP) and placebo (PLA). A secondary objective was to assess the efficacy of PCF in the acute treatment of TTH. This was a multicentre, randomised, double-blind, double-dummy, crossover, placebo-controlled trial. ⋯ Comparing PCF and NAP and PCF and PLA for tolerability, the difference was nonsignificant but the result regarding noninferiority was inconclusive, whilst NAP was noninferior to PLA. As regards SPID and TOTPAR, both PCF and NAP were better than placebo (P < 0.05), but not significantly different from each other. In conclusion, PCF was well-tolerated and effective in the treatment of acute TTH.
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Case Reports
An often unrecognized cause of thunderclap headache: reversible cerebral vasoconstriction syndrome.
Thunderclap headache (TCH) can have several causes of which subarachnoid hemorrhage (SAH) is most common and well known. A rare cause of TCH is the reversible cerebral vasoconstriction syndrome (RCVS) which is characterized by a reversible segmental vasoconstriction of the intracranial vessels. We describe two patients with TCH due to RCVS and the probable precipitating factor, namely, cannabis and an anti-migraine drug. ⋯ MRA can demonstrate vasoconstriction of the great arteries, but a normal MRA does not rule out the diagnosis. Caliber changes on cerebral angiography cannot adequately differentiate between RCVS and vasculitis. Calcium-channel antagonists may be a good therapy and repeated transcranial Doppler ultrasonography can be a reliable non-invasive investigation to monitor the effect of treatment and demonstrate reversibility of the vasoconstriction.
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Multicenter Study
Development and validation of a pharmacy migraine questionnaire to assess suitability for treatment with a triptan.
A questionnaire (Migraine Questionnaire; MQ) was developed to help pharmacists identify consumers with migraine suitable for non-prescription treatment with a triptan. Adults, who knew or thought that they had migraine, participated in three, sequential, community-based studies to validate the MQ. Overall, 1,353 subjects completed independent assessments with a pharmacist and a clinician (reference standard). ⋯ Clinicians using their standard practice determined that triptan therapy was suitable in 76.8% of cases compared with 48.8% for pharmacists using the MQ. The lack of concordance between pharmacists and clinicians in the false-positive cases (n = 113 of 660 subjects considered suitable for triptan by the pharmacists) usually related to headache diagnosis (57.5%), not safety aspects. The MQ is an effective tool for pharmacists to guide appropriate recommendation of a non-prescription triptan for migraine.
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Review Case Reports
Cataract in chronic cluster headache: two case reports and review of the literature.
Cluster headache (CH) consists of attacks of severe, unilateral orbital/supraorbital/temporal pain, lasting for 15-180 min, occurring once or more times a day, and associated with ipsilateral conjunctival injection, lacrimation and other symptoms. Cataract is clouding of the lens of the eye causing a progressive and painless loss of vision. ⋯ Patient 2 began suffering from chronic CH at the age of 44 years and after 8 years he developed cataract. This is the first report of cataract in patient suffering of CH and occurring in the eye affected by the pain attack.