• O Sjaastad and L S Bakketeig.
• Department of Neurology, St. Olavs Hospital, Trondheim University Hospitals (NTNU), Trondheim, Norway. eylert.brodtkorb@ntnu.no
• Acta Neurol. Scand. 2008 Mar 1; 117 (3): 173-80.

ObjectivesTo describe the prevalence and various clinical characteristics of cervicogenic headache (CEH) in the population at large.MethodsCEH was searched for in Vågå, Norway, where 1838 18 to 65-year-old citizens, i.e. 88.6% of this age group, underwent an interview/clinical examination. The Cervicogenic Headache International Study Group criteria include: (I) unilaterality of head pain, (II) reduction, range of movement, neck, (III/IV) ipsilateral shoulder/arm discomfort, (V/VI) mechanical provocation of similar pain, objectively or subjectively.ResultsA prevalence of 4.1% was found. In 41 cases with the highest number of CEH criteria ('core' cases), there was a male preponderance (F/M: 0.71). While cervicogenic traits (mechanical precipitation etc.) were frequently present in CEH, 'migraine traits', like nausea, vomiting, and throbbing seemed to be rarely present. In 97% of the cases, pain exacerbations began in the neck/occipital region.ConclusionsCEH may be one of the three large, recurrent headaches. In this series, there was no female preponderance. Nuchal onset of pain is a characteristic trait.

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