46
Participants
Start Date
August 31, 2013
Primary Completion Date
October 31, 2013
Study Completion Date
October 31, 2013
The intrathecal morphine injection
A single injection of morphine intrathecally
The intravenous patient-controlled analgesia
The intravenous injection of morphine using the patient-controlled analgesia machine
Demerol on demand
Demerol 25 mg intravenously when pain scores more than 5.
Seoul National University of Hospital, Seoul
Seoul National University Hospital
OTHER