Brain edema and blood-brain barrier permeability following quantitative cerebral microembolism.


Cerebral microemboli were formed in rats by injecting 4,000 carbonized microspheres, 50 +/- 10 mu in diameter, labelled with 85Sr, into the internal carotid artery. The use of radioactive microspheres as embolic agents enabled the number of microspheres to be determined in each cerebral hemisphere. The microspheres were mainly distributed in the cerebral… (More)


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