• L J Lehmann, C A Warfield, and Z H Bajwa.
• Harvard Medical School, Pain Management Center, Beth Israel Hospital, Boston, Mass, USA.
• Headache. 1996 May 1; 36 (5): 335-7.

AbstractThe alteration of extracranial blood flow in conjunction with clinical signs of autonomic nervous system dysfunction have led to various explanations concerning the pathophysiology of migraine headache. Reflex sympathetic dystrophy, a painful disorder of the sympathetic nervous system, can be treated by blocking the sympathetic nerves located in the stellate ganglion, resulting in vasodilation, ptosis, miosis, and anhydrosis. In theory, these changes could trigger a migraine headache attack secondary to autonomic dysfunction reflecting an imbalance between sympathetic and parasympathetic nervous systems. This may be especially true in a patient with a previous history of meningitis that may have resulted in a disorder of cerebrovascular regulation. We report a 56-year-old man with no previous history of migraine who developed migraine with aura after a stellate ganglion block. These episodic headaches occurred with decreasing frequency and severity for over 6 months, with eventual complete resolution. This interesting phenomenon has not been reported in the English literature and may help to better understand the pathophysiology of migraine.

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