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Autonomic features in cluster headache. Exploratory factor analysis
The Journal of Headache and Pain volume 6, pages 20–23 (2005)
Abstract
The objective is to identify the pathogenesis of each autonomic manifestation in cluster headache (CH). Through a deductive statistics method (factor analysis) we analysed the type of autonomic symptoms reported by 157 CH patients. Three principal components were identified in the analysis: parasympathetic activation (lacrimation, conjunctival injection and rhinorrhoea), sympathetic defect (miosis and ptosis) and parasympathetic mediated effect (nasal congestion, eyelid oedema and forehead sweating). This work suggests that there are three different mechanisms underlying autonomic manifestations in CH.
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Open Access This is an open access article distributed under the terms of the Creative Commons Attribution Noncommercial License ( https://creativecommons.org/licenses/by-nc/2.0 ), which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.
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Gil Gouveia, R., Parreira, E. & Pavão Martins, I. Autonomic features in cluster headache. Exploratory factor analysis. J Headache Pain 6, 20–23 (2005). https://doi.org/10.1007/s10194-005-0146-5
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DOI: https://doi.org/10.1007/s10194-005-0146-5