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April 1983

Transient Global Amnesia After Cerebral Angiography-Reply

Author Affiliations

Virginia Neurologic Center, Ltd Landmark Professional Building 5249 Duke St Alexandria, VA 22304

Arch Neurol. 1983;40(4):259. doi:10.1001/archneur.1983.04050040089026

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In Reply.  —I thank Dr Haas for pointing out the article by Hauge in 1954. The syndrome he described does indeed sound similar to the one we discussed.I have no argument with the concept of migraine as the cause of TGA unassociated with cerebral arteriography. This phenomenon is apparently mediated in that case by vascular spasm. It seems needlessly complicated to implicate migraine in the syndrome of TGA following cerebral arteriography. One need not postulate that the arteriogram somehow precipitates migraine, which, in turn, causes spasm, thereby producing bihippocampal ischemia causing TGA. A more direct explanation would appear to be that TGA associated with migraine or following angiography is caused by vascular insuffiency (perhaps induced by spasm).

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