Bilaterality of cluster headache. A hypothesis

Sjaastad, Ottar; Saunte, Carsten; T, Frederiksen

doi:10.1016/0304-3959(85)90115-0

Cited by 10 publications

(11 citation statements)

References 6 publications

(9 reference statements)

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“…A recent study showed that eyewitnesses reported that eight of nine patients with CH had bilateral conjunctival injection 10. Many physiological studies have revealed that the trigeminal autonomic reflex includes an often minor contralateral component,11 12 13 14 probably due to the crossover in the brainstem 14. Therefore, we believe that the incidence of bilateral CAS in patients with migraine and CH might be higher than thought previously.…”

Section: Discussionmentioning

confidence: 72%

Cranial autonomic symptoms in migraine: characteristics and comparison with cluster headache

Lai¹,

Fuh

Wang³

2008

Journal of Neurology, Neurosurgery & Psychiatry

159

146

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Section: Discussionmentioning

confidence: 72%

Cranial autonomic symptoms in migraine: characteristics and comparison with cluster headache

Lai¹,

Fuh

Wang³

2008

Journal of Neurology, Neurosurgery & Psychiatry

159

146

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“…Bilateral pain location was extremely rare (five patients, 0.8% of our sample). Although a few cases have been reported in the literature (17, 18), we do not believe that it can be considered such a distinctive feature of this form of headache as to be listed in the IHS classification.…”

Section: Discussionmentioning

confidence: 82%

“…Our own data analysis showed that nausea and photophobia were reported, respectively, by 37.8% and 29.7% of 3.3 patients and by 36.9% and 44.1% of CH patients. We then extended our analysis to include the wellknown phenomenon of restlessness/agitation, aptly (17,18), we do not believe that it can be considered such a distinctive feature of this form of headache as to be listed in the IHS classi®cation.…”

Section: Discussionmentioning

confidence: 99%

Application of the International Headache Society Classification Criteria in 652 Cluster Headache Patients

et al. 2001

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We applied the International Headache Society (IHS) classification coding parameters to a study population of 652 cluster headache (CH) patients, in order to determine how many patients did not fulfil the diagnostic criteria for group 3.1 and to find out any diagnostic elements that could be changed in the upcoming revision of the classification to make it more relevant to current clinical practice. Ninety-nine patients were found to have cluster-like disorder (3.3), including 74 (74.7%) who did not fulfil the diagnostic criteria for CH, because either pain was not associated with any of the accompanying autonomic phenomena listed in the classification or it was not located orbitally, supraorbitally and/or temporally. A review of our total sample showed that 72.0% of patients reported frontal and occipital pain location; in 61.8%, 33.4% and 39.1% of cases, attacks were also accompanied by restlessness/agitation, nausea and photophobia, respectively. In a coding system that took into account the diagnostic elements that we considered in our study, group 3.1 of the existing IHS classification would actually include 51 of the 99 patients currently coded as 3.3.

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“…Local dilatation of cranial vessels has been believed to contribute to headache attacks, 11–14 and several authors have suggested that the pathological process may be situated in the retro‐orbital region 15,16 . Inflammation and immunological mechanisms have also been suggested to play a role in CH pathophysiology 16–24 .…”

mentioning

confidence: 99%

Gene Expression Profiling in Cluster Headache: A Pilot Microarray Study

Sjöstrand¹,

Duvefelt²,

Steinberg³

et al. 2006

Headache

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The S100A8 and S100A12 proteins are considered markers of non-infectious inflammatory disease, while the function of S100P is still largely unknown. Furthermore, upregulation of HLA-DQ genes in CH patients may also indicate an inflammatory response. Upregulation of these pro-inflammatory genes during the active phase of CH has not formerly been reported. Data from this pilot microarray study provide a basis for further studies in CH.

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Bilaterality of cluster headache. A hypothesis

Cited by 10 publications

References 6 publications

Cranial autonomic symptoms in migraine: characteristics and comparison with cluster headache

Cranial autonomic symptoms in migraine: characteristics and comparison with cluster headache

Application of the International Headache Society Classification Criteria in 652 Cluster Headache Patients

Gene Expression Profiling in Cluster Headache: A Pilot Microarray Study

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