Why the study?
Does pulsatile flow compared to nonpulsatile flow improve gastric intramucosal pH in patients undergoing elective open-heart surgery?
Does pulsatile flow compared to nonpulsatile flow improve gastric intramucosal pH in patients undergoing elective open-heart surgery?
Nonpulsatile flow during cardiopulmonary bypass is associated with a significant reduction in gastric intramucosal pH, suggesting worse splanchnic perfusion compared to pulsatile flow.
Authors
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Pulsatile flow may better preserve splanchnic perfusion during CPB; supports preferential use in elective open-heart surgery and extends RCT perfusion data.
Hamulu et al. (1998) studied this question.