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https://www.selleckchem.com/pr....oducts/6-aminonicoti
From a physiological viewpoint, changes in end-tidal carbon dioxide (EtCO ) could be a simple, noninvasive, and inexpensive way to monitor changes in cardiac index. This study aimed to assess the utility of changes in EtCO as a marker of fluid responsiveness after volume expansion in the operating room. A prospective observational study was conducted in a tertiary university teaching hospital, from August 2018 to February 2019. A total of 109 non-consecutive, mechanically ventilated adults undergoing neurosurgery in the supi