Pressure-flow relations in canine collateral-dependent cerebrum.
作者： M G Muhonen , P D Sawin , C M Loftus , D D Heistad
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摘要: The pressure-flow relation has been characterized in normal cerebrum, but it not studied cerebrum dependent on collateral flow. purpose of this investigation was to examine the between systemic pressure, regional cerebral blood flow, and middle artery branch pressure collateral-dependent brain.In 10 anesthetized dogs, we cannulated a identified tissues using shadow flow technique. We measured branches common carotid arteries were occluded, hemorrhage reduced mean arterial 50 25 mm Hg.When aortic Hg, zone decreased from baseline 87 +/- 5 6 1 ml/100 g per minute (mean SE), 49 4 2 0.4 Hg (p less than 0.05). S...
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