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Causes of Lasting Hoarseness and Its Original Factors Following Endotracheal Int ubation

Sun Anke, Dong Weidong, Wang Guiru, et al. (Department of Otolaryngology, General Hospital of Shenyang Military Area,Shenyang,110015)  
Objective To research the causes of l asting hoarseness and its original factors due to endotracheal intubation. Methods The causes of hoarseness were investigated throug h the ex amination of laryngoscope and the results of therapy. The factors relevant to t he causes of hoarseness were analysed based on the elements as follows:①the age of patients;②the time of retentive endotracheal tube;③the types of operation; ④the technical skills of anesthetists and the anatomic or pathological conditi ons. Results Among 78 patients,71 cases showed arytenoid dis l ocation (91.03%),five cases vocal cord paralysis (6.41%),and two cases granuloma (2.56%). The study showed that there was no difference on the rate of hoarsenes s in various ages;the hoarseness rate of patients intubated for more than 12 hou rs was 17.64%;the hoarseness rate of pati ents after cardio-throacic operation was 84.64%.The hoa rseness in correlative with technical skills of anesthetists and anatomic or pat hological conditions accounted for 76.64%. Conclusion It seems that the high risk factors for lastin g hoarseness following endotracheal intubation are mainly related to the technic al skill of anesthetists, anatomic or pathological conditions of patients and di fferent kinds of operations.
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