Verbal Stimulation of Orientation on Emergence Agitation

Effect of a Repeated Verbal Stimulation of Orientation on Emergence Agitation After General Anesthesia: a Randomized Double-blind Trial

The purpose of this study is to investigate whether information of the orientation such as time, place, and patient's own name can reduce emergence delirium after general anesthesia.

Inclusion Criteria:

• Patients undergoing elective laparoscopic or robot-assisted abdominal surgery

Exclusion Criteria:

• Patients' refusal
• Change in operation schedule
• American Society of Anaesthesiologists (ASA) physical status Ⅳ
• Day surgery
• BMI ≥35
• Neurocognitive impairment, hearing disorder
• Psychological drug intake
• Experience of general anesthesia or sedation within 1 month

Drop out Criteria

• Changes in operation schedule (e.g. unexpected collaborative surgery, conversion to laparotomy, delay of the schedule to night-duty hours)
• Significant protocol violation