2002
DOI: 10.1212/wnl.59.9.1450
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Sensitization of trigeminal nociception specific for migraine but not pain of sinusitis

Abstract: Trigeminal pain processing was studied in 14 patients with unilateral migraine attacks and 14 age- and sex-matched patients with comparable unilateral headache from frontal sinusitis. Using a nociception-specific blink reflex method (nBR), a facilitation of nBR responses predominantly on the headache side was observed in migraine, but not in sinusitis. The facilitation of trigeminal nociception may be specific for migraine rather than a consequence of peripheral pain such as frontal sinusitis.

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Cited by 69 publications
(28 citation statements)
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“…The association between migraine and TMD may be due to multiple biopsychosocial factors, such as shared physiology, genetics, psychological traits, and environmental influences. Both migraine and TMD pain are mediated by the trigeminocervical complex [16,19] and migraine-specific sensitization of trigeminal nociception [28] is likely to facilitate the onset of TMD. Dysregulation of pain modulatory mechanisms in the central and peripheral nervous systems has been reported in both conditions [3,33,38,43].…”
Section: Discussionmentioning
confidence: 99%
“…The association between migraine and TMD may be due to multiple biopsychosocial factors, such as shared physiology, genetics, psychological traits, and environmental influences. Both migraine and TMD pain are mediated by the trigeminocervical complex [16,19] and migraine-specific sensitization of trigeminal nociception [28] is likely to facilitate the onset of TMD. Dysregulation of pain modulatory mechanisms in the central and peripheral nervous systems has been reported in both conditions [3,33,38,43].…”
Section: Discussionmentioning
confidence: 99%
“…In this animal model of headache, application of inflammatory mediators to the dura leads to mechanical hypersensitivity to both cranial and extracranial regions as well as sensitization of both dural primary afferent and MDH neurons (Drummond, 1987; Strassman et al, 1996; Burstein et al, 1998; Burstein et al, 2000; Katsarava et al, 2002; Kaube et al, 2002; de Tommaso et al, 2003; Katsarava et al, 2003; Valeriani et al, 2003; Weissman-Fogel et al, 2003; Oshinsky and Gomonchareonsiri, 2007; Edelmayer et al, 2009). As with prolonged morphine exposure, inflammation of the dura increased cutaneous receptive field sizes and lowered dural activation thresholds.…”
Section: Discussionmentioning
confidence: 99%
“…Data from imaging studies showing that the periaqueductal gray region seemed to be activated during a migraine attack, 17 together with evidence of functional impairment in chronic migraine, 18 suggest that a failure of descending pathways that slow down pain transmission could contribute to further increase of afferent input by the nociceptive dorsal horn to the thalamus and cortex. Reduced inhibitory control over the trigeminal nociceptive reflexes has also been suggested to occur during migraine attack: in previous studies, the later components of the blink reflex were enhanced on the pain side, 19 while facilitation of the nociceptive blink reflex response was observed in migraine, but not in sinusitis, suggesting that it may be specific for migraine rather than a consequence of peripheral pain 20 . The finding of a prevalent enhancement of the amplitude of the later LEP responses suggests that the subjective attentive attitude to the painful stimuli during migraine may increase the effect of the pain transmission disinhibition and further ease pain processing via a facilitation mechanism of cortical origin 21 .…”
mentioning
confidence: 98%