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Cluster headache without autonomic symptoms: why is it different?

dc.contributor.authorMartins, I
dc.contributor.authorGouveia, R
dc.contributor.authorParreira, E
dc.date.accessioned2015-01-22T17:17:37Z
dc.date.available2015-01-22T17:17:37Z
dc.date.issued2005
dc.description.abstractBACKGROUND: Some patients with otherwise typical cluster headache (CH) have persistent attacks free of cranial autonomic symptoms (CAS). The factors responsible for this atypical presentation are not known. OBJECTIVES: To identify factors associated to the absence of CAS in patients with CH. METHODS: A prospective series of 157 patients with the diagnosis of CH was analyzed, comparing 148 typical CH patients with 9 CH patients without CAS. RESULTS: Patients without CAS reported significantly less intense attacks (P = .003) when compared to those with CAS. There was also a tendency (not reaching statistical significance) for a higher frequency of females and chronic CH among those without CAS. Otherwise, there were no differences between the two groups (in age, duration of illness, follow-up time, attack duration or frequency, nor side or site of pain). A logistic regression analysis showed that only pain intensity could explain the difference between the two groups, since the other explanatory variables were also associated with different intensity of attacks. CONCLUSIONS: These results support the hypothesis that CH without cranial autonomic symptoms represents a milder form of CH.por
dc.identifier.citationHeadache. 2005 Mar;45(3):190-5por
dc.identifier.issn0017-8748
dc.identifier.urihttp://hdl.handle.net/10400.10/1342
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherAmerican Association for the Study of Headachepor
dc.subjectCluster headachepor
dc.subjectHeadachepor
dc.subjectCefaleiapor
dc.titleCluster headache without autonomic symptoms: why is it different?por
dc.typejournal article
dspace.entity.typePublication
oaire.citation.conferencePlaceSt. Louispor
oaire.citation.endPage195por
oaire.citation.startPage190por
oaire.citation.titleHeadachepor
oaire.citation.volume45por
rcaap.rightsopenAccesspor
rcaap.typearticlepor

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