• James M Douglas and Susan Spaniol.
• Cardiothoracic Surgery, St. Joseph Hospital, 3149 Ellis St., Suite 303, Bellingham, WA 98225, USA.
• Am. J. Surg. 2002 May 1;183(5):551-3.

BackgroundPostoperative pneumothorax is a potentially fatal complication occurring in approximately 1.4% of patients after cardiac surgical procedures. Prevention of this complication could save lives, morbidity, and money in this large patient population. This study was undertaken to evaluate the effectiveness of a very simple technique to prevent this complication.MethodsOne thousand three hundred and ninety-seven consecutive adult patients undergoing cardiac surgical procedures performed by the author were evaluated. In each patient a 3-cm opening in the mediastinal pleura of any unopened hemithorax was performed to allow communication of the pleural space with the mediastinum. When a hemithorax had been opened for internal mammary harvesting, the usual pleural drain was inserted. A standard, straight mediastinal tube was then placed in routine fashion without any additional tube placement or unusual positioning. The essence of the approach was the establishment of communication of both pleural spaces with the mediastinum in such a way that any air exiting the lung would be able to evacuate through the mediastinal tube.ResultsOne patient with obstructive lung disease developed a loculated basilar pneumothorax that was treated with chest tube placement. Two patients required maintenance of mediastinal tube drainage for persistent air leak for 7 and 9 days, respectively. No other patients required chest tube placement for pneumothorax. No patient experienced any complication that could be attributed to the small opening in the pleural space.ConclusionsThe technique herein described is a safe and effective method for prevention of postoperative pneumothorax. It adds nothing to the cost of the surgical procedure. The author would recommend that this technique be adopted as a surgical routine.

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