Dexmedetomidine Infusion Effect on Hemodynamic Variables During Craniotomy

"On the scheduled time of operation, the head nurse opened each envelope just before surgery, prepared the infusion solution and handled it to the anesthesiologist who was blinded to the solution. He was then determined for collecting perioperative data.~Group D: Patients received 0.5 µg/kg/h of Dexmedetomidine. Dexmedetomidine dosage was diluted in 50 ml syringe of normal saline Group C: Patients received equal volume and rate of normal saline as Group D.~This dosing regimen was in accordance with existing guidelines \[5\] \[6\] \[7\]."

"On the scheduled time of operation, the head nurse opened each envelope just before surgery, prepared the infusion solution and handled it to the anesthesiologist who was blinded to the solution. He was then determined for collecting perioperative data.~Group C: Patients received equal volume and rate of normal saline as Group D."