Hoarseness after tracheal intubation

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Abstract
The reported incidence of hoarseness following short-term tracheal intubation varies widely. It has been reported as being permanent in 3%. This suggests that an enormous problem exists considering the numbers of patients intubated daily in the United Kingdom. A prospective study of 235 adult patients undergoing general anaesthesia in a district general hospital included 167 patients whose tracheas were intubated. Of these 167, 54 (32%) complained of hoarseness postoperatively. All but five returned to normal within 7 days. The others were hoarse for 9, 10, 12, 54 and 99 days. Those who were hoarse for 54 and 99 days had vocal cord granulomata. Regression analyses showed that certain patient and anaesthetic factors had a significant effect on the hoarseness. This study confirms a low incidence of prolonged or permanent hoarseness following short-term tracheal intubation.