Continuous monitoring of gastric intraluminal carbon dioxide pressure, cardiac output, and end-tidal carbon dioxide pressure in the perioperative period in patients receiving cardiovascular surgery using cardiopulmonary bypass

Critical Care Medicine
Takasuke ImaiMakoto Sunamori

Abstract

To verify the hypothesis that the gastric intraluminal PCO2 (PgCO2) changes independently of the change in cardiac output (CO) during and after cardiovascular surgery using cardiopulmonary bypass (CPB), and that the elevation of PgCO2 affects the patients' morbidity. Prospective, noninterventional study. Medical/surgical intensive care unit and operating theater of a university hospital. Sixteen adults patients receiving elective cardiovascular surgery using CPB. None. After induction of anesthesia, the patients were fitted with a gastric tube equipped at the tip with a CO2 sensor (ion-selective field effect transistor) that can continuously measure real-time PgCO2, and a pulmonary artery catheter capable of monitoring continuous CO (CCO) and end-tidal CO2. Data from the devices was uploaded to a personal computer every 2 mins until the catheter was pulled off based on clinical judgment (PgCO2 values were blinded to everyone except the investigator). One patient expired as a result of multiple organ failure subsequent to sepsis, and postoperative morbidity assessed by the peak SOFA (sequential organ failure assessment) score (mean +/- SD 6.9 +/- 3.5; range, 2-13) was correlated with the peak PgCO2 during intensive care unit sta...Continue Reading

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Citations

Mar 21, 2002·Critical Care Medicine·Theodore A Alston
Oct 30, 2004·The Journal of Trauma·Samuel A TishermanRonald Simon
Jun 24, 2003·AACN Clinical Issues·Daria C Ruffolo, Jan M Headley

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