Korean J Anesthesiol.  2009 Jan;56(1):83-86. 10.4097/kjae.2009.56.1.83.

Early detection of ruptured bulla by capnography during off pump coronary artery bypass grafting surgery: A case report

  • 1Department of Anesthesiology and Pain Medicine, School of Medicine, Konkuk University, Seoul, Korea. ytg001@dreamwiz.com


Capnography is monitoring of concentration or partial pressure of CO2 in respiratory gases. It provides information about CO2 production, pulmonary perfusion, alveolar ventilation, respiratory patterns and elimination of CO2 from the anesthesia circuit and ventilator. Thus it gives us a rapid and reliable method to detect life threatening conditions such as malposition of tracheal tube, ventilatory failure, circulatory failure and defective breathing circuits. Authors experienced that change of capnogram during off pump coronary artery bypass grafting surgery helped early detecting ruptured bulla and prevented intraopertive or postoperative pneumothorax.


Capnography; Off pump coronary artery bypass grafting surgery; Pneumothorax; Ruptured bulla
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