Effect of Mechanical Ventilation during Cardiopulmonary Bypass on End-Expiratory Lung Volume in the Perioperative Period of Cardiac Surgery: An Observational Study.

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Many studies explored the impact of ventilation during cardiopulmonary bypass (CPB) period with conflicting results. Functional residual capacity or End Expiratory Lung Volume (EELV) may be disturbed after cardiac surgery but the specific effects of CPB have not been studied. Our objective was to compare the effect of two ventilation strategies during CPB on EELV.