Association between the use of a stylet in endotracheal intubation and postoperative arytenoid dislocation: a case-control study.

The use of an intubation stylet for endotracheal intubation appears to protect against AD. Prolonged operation time increases the risk of AD. These factors should be considered when assessing the risks of AD associated with endotracheal intubation and in efforts to avoid this complication.