Hypoxemia after myocardial revascularization: analysis of risk factors.

Background And Objectives: Severe hypoxemia is complication frequently seen in the immediate postoperative period of myocardial revascularization (MR), increasing the duration of mechanical ventilation, the incidence of pulmonary infections, hospital costs, and mortality. The objective of this study was to identify predictive factors of severe hypoxemia in patients undergoing MR.

Methods: Four-hundred and eighty-one adult patients undergoing elective MR between October 2003 and March 2004 were enrolled in this study.