Needle perforation of an endotracheal tube cuff pilot line
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Complications such as pulmonary infection due to micro-aspiration of oropharyngeal secretions may be associated with insufficient inflation of the cuff of an endotracheal tube (ETT), even in patients undergoing short operations. Thus, we should seal the airway as tightly as possible with the cuff to prevent aspiration of pharyngeal contents into the trachea and enable positive pressure ventilation.We report a very rare case, in which an intraoperative airway air leak during maxillary advancement surgery was postoperatively confirmed to be due to ETT cuff deflation because of needle penetration of the cuff pilot line. We also measured the force required to penetrate the wall of the pilot line and the ETT wall, finding that the pilot line is vulnerable to a needle...

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