Abstract
IntroductionPostoperative sore throat is listed from the top as patients’ most undesirable outcome in the postoperative period. It is believed to originate from mucosal dehydration or edema, tracheal ischemia secondary to the pressure of endotracheal tube cuffs, aggressive oropharyngeal suctioning, and mucosal erosion from friction between delicate tissues and the endotracheal tube. Even if the problem was indicated in many literatures, it has never been studied in our country. The study aimed to assess prevalence and factors associated with postoperative sore throat among patients who were operated under general anesthesia with endotracheal intubation.MethodsHospital based cross sectional study was conducted from February 25 - April 10, 2014 in Gondar University hospital. Patient interview and chart review were employed for data collection. Bivariate and multivariate logistic regressions were used to determine the association.ResultsA total of 240 out of 299 patients were included in this study with a response rate of 80.3%. The prevalence of postoperative sore throat within 48 hours after operation was 59.6%. Factors which had association with postoperative sore throat from the multivariate logistic regression were female sex (AOR = 3.3, 95% CI: 1.07, 10.375), repeated number of attempts to intubate (AOR = 3.291, 95% CI: 1.658, 6.531), and the use of nasogastric tube (AOR = 0.41, 95% CI: 0.174, 0.965) respectively.ConclusionThe prevalence of postoperative sore throat was high in Gondar University Hospital. Awareness creation about the problem should be made for health professionals and postoperative sore throat management protocol need to be introduced.
Highlights
Postoperative sore throat is listed from the top as patients’ most undesirable outcome in the postoperative period
299 patients were operated under general anaesthesia with endotracheal intubation
Limitation of the study: In this study the sample size was small which was difficult to see whether some variables such as age, Anesthesiologists physical status classification system (ASA) status, endotracheal tube (ETT) size, experience of the anaesthetist, muscle relaxant, grade of intubation and duration of tube in place might have an effect on the prevalence of postoperative sore throat in our population
Summary
Postoperative sore throat is listed from the top as patients’ most undesirable outcome in the postoperative period. The study aimed to assess prevalence and factors associated with postoperative sore throat among patients who were operated under general anesthesia with endotracheal intubation. Factors which had association with postoperative sore throat from the multivariate logistic regression were female sex (AOR = 3.3, 95% CI: 1.07, 10.375), repeated number of attempts to intubate (AOR = 3.291, 95% CI: 1.658, 6.531), and the use of nasogastric tube (AOR = 0.41, 95% CI: 0.174, 0.965) respectively. For example sore throat is an ordinary expression of pharyngitis, which by itself can have a number of causes. It may include a variety of symptoms including pain and discomfort, laryngitis, tracheitis, hoarseness, cough or dysphagia. Its postulated etiology has been associated with mucosal dehydration or edema, tracheal ischemia secondary to the pressure of Endo tracheal tube cuffs, aggressive oropharyngeal suctioning, and mucosal erosion from friction between delicate tissues and the ETT [4,5]
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