Key result
The use of a 6.0 mm endotracheal tube significantly reduced the incidence of mild postoperative sore throat to 4% compared to 45% with a standard 7.0 mm tube in females after general anesthesia.
Why the study?
Does a 6.0 mm endotracheal tube reduce postoperative sore throat and hoarseness compared to a 7.0 mm tube in females undergoing general anesthesia?
Cross-Sectional (n=200)
No
Does a 6.0 mm endotracheal tube reduce postoperative sore throat and hoarseness compared to a 7.0 mm tube in females undergoing general anesthesia?
Using a smaller 6.0 mm endotracheal tube significantly reduces the incidence of postoperative sore throat in females undergoing general anesthesia compared to a standard 7.0 mm tube.
May support smaller ETT consideration in females; hypothesis-generating and requires RCT confirmation.
Objective: To compare the frequency of postoperative sore throat and hoarseness between two different sizes of endotracheal tube in females after GA. Material and Methods: It was comparative analysis study carried in Anaesthesia Department, QIH, Islamabad. During study 200 patients were included (100 patients in each group) according to inclusion criteria. All data was entered in computer software SPSS version 24.0. Results: Mean age of the patients in Group-A (ETT size 6.0 mm) was 42.2 ± 15 years and 46.7 ± 13.1 in Group-B (ETT size 7.0 mm). The mean duration of surgery among the patients was 57.90 ± 19.8 minutes in Group-A and 77.4 ± 42.2 minutes in Group-B. In Group-A nasogastric tube was used among 36 patients while in Group-B it was used among 25 patients. In both groups, throat pack was not used for any patient. In Group-A, 96 patients and in Group-B, 55 patients had no sore throat. None of the patients in both groups had hoarseness of voice after the procedure. Conclusion: Study concluded that there was significant difference in the mean score of sore throat when ETT of two different sizes were used. ETT size 6.0mm significantly reduces the incidence of sore throat among females after GA.
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Rehman et al. (2022) conducted a cross-sectional in Postoperative sore throat and hoarseness (n=200). Endotracheal tube size 6.0 mm vs. Endotracheal tube size 7.0 mm was evaluated on Incidence of mild postoperative sore throat (p=<0.05). The use of a 6.0 mm endotracheal tube significantly reduced the incidence of mild postoperative sore throat to 4% compared to 45% with a standard 7.0 mm tube in females after general anesthesia.
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