Overview Dexmedetomidine Versus Ketamine on Laryngeal Microsurgery Status: COMPLETED Trial end date: 2024-06-30 Target enrollment: Participant gender: Summary compare effect of IV dexmedetomidine and ketamine on pain score, perioperative hemodynamics and detect side effects of dexmedetomidine and ketamine.Phase: NA Details Lead Sponsor: Cairo UniversityTreatments: Control GroupsDexmedetomidineKetamineSodium Chloride