Safety outcomes
bradycardia, postoperative nausea and vomiting, desaturation, hypotension
ADVERSE EVENTS, HYPERTENSION
Safety outcomes were monitored from administration of study drugs until 6 h after surgery including hypotension, hypertension, bradycardia, and desaturation. We also recorded the occurrence of intraoperative and early postoperative nausea and vomiting. Interventions of above adverse events were conducted according to routine practice.