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Long‐term measurement of cerebral blood flow and metabolism in a rat chronic hypoperfusion model

1. Rat bilateral common carotid artery occlusion (BCAO) was used as a chronic cerebral hypoperfusion model. We observed autoradiographically the long‐term changes in regional cerebral blood flow (rCBF) and regional cerebral glucose utilization (rCGU) after 2 days and 1, 4 and 8 weeks of BCAO and in controls. Regions evaluated included the cerebral cortex, white matter and basal ganglia. Pathological changes were also observed with Klüver–Barrera and haematoxylin–eosin staining.