Nerve Block Vs Sedation Infusion for Awake Fiberoptic Intubation.

The patients were given 0.5 mcg /kg dexmedetomidine over 10 min via syringe pump, followed by 0.2-0.7 mcg/kg/hour until the end of intubation according to hemodynamics.

The patients received an airway nerve block through bilateral superior laryngeal nerve block and trans-tracheal injection for recurrent laryngeal nerve.