Metabolic component of intestinal Pco 2during dysoxia
نویسندگان
چکیده
منابع مشابه
Metabolic component of intestinal PCO(2) during dysoxia.
The adequacy of intestinal perfusion during shock and resuscitation might be estimated from intestinal tissue acid-base balance. We examined this idea from the perspective of conventional blood acid-base physicochemistry. As the O(2) supply diminishes with failing blood flow, tissue acid-base changes are first "respiratory, " with CO(2) coming from combustion of fuel and stagnating in the decre...
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Disturbances of oxygen supply or cellular oxygen metabolism are common in critically ill patients. An understanding of dysoxia, or oxygen limited energy depletion, requires an understanding of the normal physiology of cell oxygen metabolism, and the compensatory mechanisms that supply high energy molecules under conditions of hypoxia. Understanding disorders associated with hyperlactataemia req...
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INTRODUCTION An elevation in intramucosal-arterial PCO2 gradient (DeltaPCO2) could be determined either by tissue hypoxia or by reduced blood flow. Our hypothesis was that in hypoxic hypoxia with preserved blood flow, DeltaPCO2 should not be altered. METHODS In 17 anesthetized and mechanically ventilated sheep, oxygen delivery was reduced by decreasing flow (ischemic hypoxia, IH) or arterial ...
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ژورنال
عنوان ژورنال: Journal of Applied Physiology
سال: 2000
ISSN: 8750-7587,1522-1601
DOI: 10.1152/jappl.2000.89.6.2422