Lateralization in cluster headache: a Nordic multicenter study

Abstract

A slight predominance of cluster pain on the right side has been reported in several studies. The aim of this large retrospective Nordic multicenter study was to estimate the prevalence of right- and left-sided pain in cluster headache (CH) patients with side-locked pain, the prevalence of side shifts in episodic and chronic CH patients, and the occurrence of cranial autonomic symptoms related to pain side. Among 383 cluster patients, 55 (14%) had experienced pain side shift. Of the remaining 328 individuals without side shift, there was no significant difference between the occurrence of right-sided and left-sided pain (54 vs. 46%). The prevalence of side shift was similar for episodic and chronic CH and the occurrence of cranial autonomic symptoms was not influenced by the pain side. In conclusion, previous reports of a side difference in location of cluster pain could not be confirmed in this large Nordic sample.

DOI: 10.1007/s10194-009-0129-z

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@inproceedings{Meyer2009LateralizationIC, title={Lateralization in cluster headache: a Nordic multicenter study}, author={Eva Laudon Meyer and Katarina Laurell and Ville Artto and Lars Bendtsen and Mattias Linde and Mikko Kallela and Erling Andreas Tronvik and John Anker H Zwart and Rikke Marie Jensen and Knut Hagen}, booktitle={The Journal of Headache and Pain}, year={2009} }