Experimental intracerebral mass: time-related effects on local cerebral blood flow

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✓ Cerebral blood flow (CBF) was measured at different times during the first 150 minutes following an experimental space-occupying lesion produced with a 50-µl microballoon in rats. Local CBF was measured with the carbon-14-labeled iodoantipyrine quantitative autoradiographic technique. A region of local ischemia developed around the mass, while the remote effects of the mass were minimal. The focal ischemic lesion enlarged with time, and simulated removal of the lesion within this design did not alleviate the ischemia.

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Address reprint requests to: A. David Mendelow, Ph.D., F.R.C.S., University Department of Neurosurgery, Newcastle General Hospital, Westgate Road, Newcastle-upon-Tyne NE4 6BE, England.
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