Persistent oligemia of rat cerebral cortex in the wake of spreading depression.

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Cerebral blood flow during and after spreading depression (SD) was studied in rat brain by quantitative autoradiography. The rise of cortical blood flow during SD was followed by 20 to 25% reduction below normal after SD, lasting at least an hour. Blood flow in th putamen, thalamus, and hippocampus did not change at any time during or after SD. Previous measurements of cerebral blood flow in humans showed that migraine attacks may be accompanied by wavelike spreading oligemia (Olesen et al, 1981). We speculate that the spreading oligemia of migraine may be a phenomenon physiologically related to the present finding of an oligemia after SD.
Original languageEnglish
JournalAnnals of Neurology
Issue number5
Pages (from-to)469-74
Number of pages5
Publication statusPublished - 1982
Externally publishedYes

ID: 14943664