| Incidence of Postoperative Sore Throat with the Laryngeal Mask . |
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Joung Uk Kim, Sang Ho Lim, Young Seok Choi, Seok Min Yoon, Il Ok Lee, Nan Suk Kim |
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Department of Anesthesiology, Korea University, College of Medicine, Seoul, Korea. |
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| Abstract |
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The laryngeal mask as an new form of airway has recently been described. This mask is introduced blindly into the hypopharynx to form a seal around the larynx, so permitting spontaneous or positive pressure ventilation without passing the larynx, therefore associated with much reduced incidence of laryngeal damage. But endotracheal intubation is associated with a significant rate of layngeal damage and subsequent vocal cord pathology. This study was designed to investigate the effects of postoperative sore throat related to insertion of laryngeal mask airway and to compare with these effects after endotracheal intubation. One hundred randomly selected female patients who had gynecological procedures under general anesthesia were surveyed to ascertain the incidence of sore throats. The results were as follows; l) The incidence of sore throat after endotracheal intubation with the Portex tube was 48% but 12% after insertion of laryngeal mask. 2) The average volume of air required to inflate the cuff of laryngeal mask sufficiently to form air-tight seal around larynx was 11.4+/-2.8ml and cuff pressure was 25.6+/-13.2cmH2O when the laryngeal mask 3 was used for Korean adult female. |
| Key Words:
Sore throat; Airway; Endotracheal intubation; Laryngeal mask |
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