Impact of drains positioning on pulmonary function after coronary artery bypass grafting: an observational study.

Introduction: Coronary artery bypass grafting (CABG) is a procedure associated with a decline in pulmonary function. Among the main causes is the presence of the drain that is usually positioned in the intercostal or subxiphoid region.

Objective: To measure the interference of drains positioning on pulmonary function in patients undergoing CABG.