Effect of different lung ventilatory patterns during and after cardiopulmonary bypass on oxygenation parameters after cardiac surgery in adults: a comparative study

ABSTRACT

Background: pulmonary complications after cardiac surgery recorded incidence of 25% of all cardiac surgeries. Ventilation strategies before and after CPB also cause problems. Alveolar over-distention and reduced lung recruitment are involved in lung injury during general anesthesia in cardiac surgeries. Protective lung ventilation is a common practice during general anesthesia and includes positive end expiratory pressure [PEEP], recruitment maneuvers and the use of FiO2 levels not greater than 80%