Effect of Combination Dexmedetomidine Added to Fentanyl-based Intravenous Patient-controlled Analgesia on Nausea Vomiting in Highly Susceptible Patients Undergoing Lumbar Spinal Surgery: Prospective Double Blinded Randomized Controlled Trial
Conditions
Interventions
- DRUG: dexmedetomidine
- DRUG: normal saline
Sponsor
Yonsei University