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Gastric intramucosal PCO 2 (Pico2) is a marker of splanchnic dysoxia and hypoperfusion that is increasingly used in intensive care medicine. We assessed two methods, saline-balloon tonometry versus continuous capnometric recirculating gas tonometry (CRGT), for detecting changes in Pico 2 in animals subjected to various degrees of hemorrhage and examined whether changes in Pico ...
Purpose: The reproducibility of gastric intramucosal pH (pHi) determinations by saline-filled balloon tonometry has not been assessed adequately. We examined the agreement of pHi obtained using pairs of tonometry catheters under various conditions in a canine model of global hypoxia.Methods: Two gastric balloon tonometry catheters were inserted into each of 16 anesthetized dogs. Cimetidine was administered...
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