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Korean J Anesthesiol. 1991 Jun;24(3):668-673. Korean. Comparative Study.
Lim HJ , Jo H , Lee HW , Chae BK , Chang SH , Shin JS .
Department of Anesthesiology, College of Medicine, Korea University, Seoul, Korea.

It is essential to keep sirway during, general anesthesia. Tracheal intubation is the most useful and safe method to keep airway. But there are hemodynar. ic changes in using laryngoscope and tracheal intubation. And also sore throat may by developed in postoperative period. In 1983, Brain introduced laryngeal mask as a new airway and thereafter its use is increasing. Laryngeal mask have many advantages of easy intubation, insertion without muscle relaxant, and decreasing damage of larynx and pharynx, and also useful in difficult intubation. We studied hemodynamic changes during tracheal intubation and laryngeal mask insertion, and examined postoperative sore throat in postoperative 24 hours. The results are as follows: 1) There were significant increase in systolic, diastolic, mean arterial pressure and heart rate in both groups, but degree and duration of increase was more in endotracheal intubation group. 2) There were more cases of sorethroat in control group than mask group, but no significance was noted between them.

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