Dextroamphetamine-induced changes in regional cerebral blood flow

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Abstract
Regional cerebral blood flow (CBF), blood pressure, pulse rate, respiratory rate, end-tidal carbon dioxide and mood states were measured before and after IV injections of 15 mg dextroamphetamine sulfate or saline in 22 physically and mentally healthy normal volunteers. Amphetamine administration was associated with significant increases in systolic blood presure and vigor and decrease in end-tidal carbon dioxide. There were no significant differences between the amphetamine and saline groups on CBF changes. However, there was a non-significant trend towards a post-amphetamine CBF reduction, even after the flow values were corrected for the acute changes in CO2.