Transpulmonary Gradient After Cardiac Surgery Under Cardiopulmonary Bypass

Inclusion Criteria

• •Patient man or woman \> 18 y.o.
• •Patient has signed informed consent prior to the study
• •Patient affiliated to a social security administration
• •Patient operated on for cardiac surgery at the University Hospital of Strasbourg.
• •Patient at high risk for postoperative respiratory failure defined by a SLIP score (Kor et al.) ≥ 22 Kor:
• •* High-risk cardiac intervention under cardiopulmonary bypass (19 pts)
• •* COPD (10 pts)
• •* Diabetes (6 pts)
• •* gastroesophageal reflux (7 pts)
• •* Alcohol abuse (11 pts)
• •Scheduled use of a pulmonary artery catheter and a left atrial catheter