Overview Effect of Loading of Midazolam or Dexmedetomidine on Hemodynamics Status: Withdrawn Trial end date: 2018-07-01 Target enrollment: Participant gender: Summary Loading dose of dexmedetomidine is related hemodynamic instability such as bradycardia and hypertension. Phase: Phase 4 Details Lead Sponsor: Konkuk University Medical CenterTreatments: DexmedetomidineMidazolam