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Canadian Journal of Anesthesia, Vol 8, 581-585, Copyright © 1961 by Canadian Anesthesiologists' Society
1 Hôpital Notre-Dame, Montréal
In order to determine and, possibly, to eliminate the various causes for postoperative sore throat, we have made a study of 863 patients on whom surgery was performed under endotracheal anaesthesia.
In our series, we have found that the factors responsible for a greater incidence of post-intubation sore throat fall into two categories.
The factors that can be eliminated, in decreasing order of importance, are: (a) Lateral position of the head; (b) Oropharyngeal airway; (c) Use of a curved blade; (d) No. 10 endotracheal tube; (e) Cuffed tubes when the cuff is not inflated.
The factors over which we have no means of control are: (a) Levine tube (used in the majority of important abdominal cases); (b) Sex–female patients have complained more often of sore throat than male patients; (c) Patients under 45 years of age–for no apparent reason; (d) intubations of more than two hours' duration; (e) Intubations presenting technical difficulties.
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