Is decrease of cerebral blood flow after intravenous injections of theophylline due to direct vasoconstrictive action of the drug?
D000628:Aminophylline / Q000494:pharmacology; D001794:Blood Pressure / Q000187:drug effects; D002245:Carbon Dioxide / Q000097:blood; D002536:Cerebral Arteries / Q000187:drug effects*; D002560:Cerebrovascular Circulation / Q000187:drug effects*; D006801:Humans; D012039:Regional Blood Flow / Q000187:drug effects; D013806:Theophylline / Q000494:pharmacology*; D014662:Vasoconstrictor Agents / Q000494:pharmacology*
D014662:Vasoconstrictor Agents; D002245:Carbon Dioxide; D000628:Aminophylline; D013806:Theophylline