Comparison of Dexmedetomidine Plus Fentanyl Versus Dexmedetomidine Plus Butorphanol f orphanol for Conscious Sedation in Patients undergoing awake Fiberoptic Nasotracheal Intubation. A Prospective Randomized and Controlled Clinical Study

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Background: The aim of this study is to compare conscious sedation in patients receiving dexmedetomidine plus fentanyl versus dexmedetomidine plus butorphanol in awake fiberoptic intubation. Comfort score, patient reaction and hemodynamic parameters will be statistically compared in both the groups. Methods: After local ethics committee approval, 100 patients were selected according to eligibility criteria and randomly allocated in two groups of 50 each. GROUP DF: patients received bolus of i.v. dexmedetomidine 1ug/kg + i.v. fentanyl 2μg/kg so as to achieve an adequate level of sedation i.e. RSS=3. GROUP DB: patients received bolus of i.v. dexmedetomidine 1μg/kg + i.v.