200
Participants
Start Date
April 9, 2021
Primary Completion Date
September 7, 2022
Study Completion Date
October 7, 2022
S-ketamine
S-ketamine 50 mg is included in the mixture for patient-controlled analgesia.
Dexmedetomidine
Dexmedetomidine 200 microgram is included in the mixture for patient-controlled analgesia.
Sufentanil
Sufentanil 4 microgram/kg (maximum 250 microgram) is included in the mixture for patient-controlled analgesia.
Peking University First Hospital, Beijing
Peking University First Hospital
OTHER