IRCT20160307026950N57 IRCT 2024-01-29 Esfahan University of Medical Sciences Comparison of propofol sedation and lidocaine-propofol combination in patients undergoing bronochoscopy Comparison of propofol sedation and lidocaine-propofol combination in patients undergoing bronchoscopy 2024-02-04 anticipated 60 Complete https://irct.ir/trial/74886 interventional Randomization: Randomized, Blinding: Triple blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Method of randomization in this trial will be simple random sampling, Blinding description: This will be a triple blinded study. Drugs will be prepared by OR staff in syringes labeled with specific codes and then handed to the researcher. therefore the patient and the researcher won't know the difference. The data will be given to the data analyst who is also blinded. 3 Anaesthesia. Intervention 1: Propofol; for each patient an stat dose of propofol 1 mg/kg is calculated and then injected. After the initial induction if sedation score 5 is not achieved, propofol infusion with the rate of 70 µg/kg/min will be started. The amount of drug used to achieve and maintain Sedation Score 5 will be calculated. Intervention 2: Propofol-Lidocaine, for each patient an stat dose of propofol 1mg/kg and lidocaine 1.5 mg/kg is calculated and then injected. After the initial induction if sedation score 5 is not achieved, propofol infusion with the rate of 70 µg/kg/min will be started. The amount of drug used to achieve and maintain Sedation Score 5 will be calculated. No - There is not a plan to make this available Justification or reason for not sharing IPD is There is no further information