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- W2034128666 abstract "The effect of several agents active on autonomic nervous system functions was tested on brain oxygen autoregulation parameters. It was found that atropine, propranolol and isoproterenol had no influence in abolishing the measured parameters. Phenoxybenzamine, tolazoline and dibenamine all suppress autoregulation. In an additional experimental series, a phenoxybenzamine infusion was given during O2 breathing. The infusion induced, in most cases, an additional rise in TpO2 (tissue pressure of oxygen, which refers to the partial pressure [in mm Hg] of this gas at the measuring tip of the electrode). It is concluded that an alpha-adrenergic mechanism is part of the autoregulation process. Also, the increase in brain TpO2 induced by 59% O2-5% Co2 breathing seems to be blocked or reversed by alpha-adrenolytic drugs, thus supporting the thinking that the effect of CO2 on cerebral blood flow is at least in part mediated through an alpha-adrenergic response." @default.
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- W2034128666 date "1977-10-01" @default.
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- W2034128666 title "PHARMACOLOGICAL CONTROL OF LOCAL OXYGEN REGULATION MECHANISMS IN BRAIN TISSUE" @default.
- W2034128666 doi "https://doi.org/10.1097/00132586-197710000-00011" @default.
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