A patient undergoing a bilateral sagittal split and LeFort 1 maxillary osteotomy performed under general anesthesia required emergent intraoperative exchange of a potentially damaged nasotracheal tube. This exchange was smoothly performed under constant indirect visualization using the McGrath MAC video laryngoscopy system. After the exchange, ventilation of the patient dramatically improved. The removed endotracheal tube was torn 19 cm from the distal tip. The McGrath MAC was useful for visualizing the glottis and confirming the entire course of the tube exchange despite the patient's having a difficult airway (Cormack-Lehane grade 3).

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