40
Participants
Start Date
November 30, 2016
Primary Completion Date
June 30, 2017
Study Completion Date
June 30, 2017
Remifentanil
The concentration of remifentanil was determined by biased-coin up and down design, starting from 1.0 ng/ml (0.4 ng/ml as a step size)
Propofol anesthesia
Anesthesia was induced with propofol target-controlled infusion at an effect-site concentration of 5.0 μg/ml.
Ajou University Hospital, Suwon
Ajou University School of Medicine
OTHER