• Jeong J Park, Hyub Huh, Seung Z Yoon, Hye-Ja Lim, Doo Y Go, Jang E Cho, Jiwon Lee, Jihoon Park, and Hyun-Chang Kim.
• From the Department of Anaesthesiology and Pain Medicine, Korea University Anam Hospital, Korea University College of Medicine, Seoul (JJP, HH, SZY, H-JL, DYG, JEC, H-CK) and Department of Anaesthesiology and Pain Medicine, College of Medicine, Keimyung University Dongsan Medical Centre, Daegu, South Korea (JL, JP).
• Eur J Anaesthesiol. 2020 Feb 1; 37 (2): 105-112.

BackgroundTracheal intubation using a double-lumen endobronchial tube (DLT) causes postoperative sore throat.ObjectiveTo determine the effect of two-handed jaw thrust on postoperative sore throat in patients requiring insertion of a DLT.DesignA randomised study.SettingA tertiary teaching hospital from December 2017 to May 2018.PatientsOne-hundred and six patients undergoing one-lung anaesthesia.InterventionsPatients were allocated to one of two groups (n=53 each). In the jaw thrust group, the two-handed jaw thrust manoeuvre was applied at intubation and advancement of the DLT. In the control group, conventional intubation with a sham jaw thrust was performed.Main Outcome MeasuresIncidence of sore throat at 1, 6 and 24 h postoperatively.ResultsThe incidence of sore throat at 6 h postoperatively was higher in the control group than in the jaw thrust group [31 (59%) vs. 14 (26%), risk ratio (95% confidence interval) 0.45 (0.27 to 0.75), P < 0.01]. The overall incidence of sore throat was higher in the control group than in the jaw thrust group [35 (66%) vs. 18 (34%), risk ratio (95% confidence interval) 0.51 (0.34 to 0.78), P < 0.01].ConclusionThe jaw thrust manoeuvre can reduce the incidence of sore throat in patients undergoing DLT insertion for one-lung ventilation.Trial RegistrationClinicalTrials.gov identifier: NCT03331809.

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