Migraine pathogenesis: Neural and vascular mechanisms

K. Michael Welch, F. Michael Cutrer, Peter J. Goadsby

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The pathophysiology of migraine is not fully understood. Recent studies have shed light on the neuronal events mediating the aura and headache phases of migraine. Cortical spreading depression appears to underlie the aura phase in patients with migraine with aura, and it may also precede headache in patients with migraine without aura. Recent evidence suggests that the pain of the headache phase is mediated by the trigeminal vascular system and its central projections. The trigeminal afferents project centrally to the caudal brainstem nucleus caudalis and to the dorsal horn of the cervical spinal cord. Additional cortical, thalamic, and brainstem regions are also activated during migraine. In a clinical study of patients with spontaneous migraine, increased blood flow to the rostral brainstem but not to cortical areas persisted after the pharmacologic relief of headache, suggesting that the rostral brainstem may contain candidate regions for a migraine generator. It is currently thought that the neuronal mechanisms underlying headache may function similarly in healthy and migrainous individuals, but because of a central neuronal hyperexcitability in patients with migraine, headache is more easily triggered in these individuals.

Original languageEnglish (US)
JournalNeurology
Volume60
Issue number7 SUPPL. 2
StatePublished - Apr 8 2003

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Migraine Disorders
Blood Vessels
Brain Stem
Headache
Epilepsy
Cortical Spreading Depression
Migraine without Aura
Migraine with Aura
Pain

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Welch, K. M., Cutrer, F. M., & Goadsby, P. J. (2003). Migraine pathogenesis: Neural and vascular mechanisms. Neurology, 60(7 SUPPL. 2).

Migraine pathogenesis : Neural and vascular mechanisms. / Welch, K. Michael; Cutrer, F. Michael; Goadsby, Peter J.

In: Neurology, Vol. 60, No. 7 SUPPL. 2, 08.04.2003.

Research output: Contribution to journalArticle

Welch, KM, Cutrer, FM & Goadsby, PJ 2003, 'Migraine pathogenesis: Neural and vascular mechanisms', Neurology, vol. 60, no. 7 SUPPL. 2.
Welch KM, Cutrer FM, Goadsby PJ. Migraine pathogenesis: Neural and vascular mechanisms. Neurology. 2003 Apr 8;60(7 SUPPL. 2).
Welch, K. Michael ; Cutrer, F. Michael ; Goadsby, Peter J. / Migraine pathogenesis : Neural and vascular mechanisms. In: Neurology. 2003 ; Vol. 60, No. 7 SUPPL. 2.
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