Indomethacin Prevents Impaired Perfusion of the Dog's Brain after Global Ischemia

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Compression ischemia of the central nenous system (CNS) in heparinized dogs caused areas of diminished cerebral blood flow measured by "C-antipyrine autoradiography. Intravenous infusion of indomethacin (1.5 or 4.0 mg/kg) approximately 1 hour before ischemia eliminated the circulatory defects. Prophylactic inhibition of prostaglandin synthetase may promote postischemic perfusion of the CNS by preventing vasoconstriction and by anti-hemostatic effects on blood.

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