Hypoxemia lowers cerebrovascular resistance without changing brain and blood [H+].

Abstract

We designed the present study to see whether, during acute moderate isocapnic hypoxemia, changes in cerebral vascular resistance (CVR) and brain extracellular fluid (ECF) [H+] can or cannot be dissociated from each other. In seven anesthetized and paralyzed dogs we measured brain ECF pH with surface electrodes (n = 4) or double-barreled microelectrodes (n… (More)

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