131
Participants
Start Date
August 1, 2017
Primary Completion Date
February 1, 2019
Study Completion Date
July 31, 2019
50 ug IT morphine
Spinal block with bupivacaine and intrathecal morphine 50 ug
100 ug IT morphine
Spinal block with bupivacaine and intrathecal morphine 100 ug
No IT morphine
Spinal block with bupivacaine and intrathecal morphine 0 ug
Morphine
intrathecal morphine
Bupivacaine
0.5 isobaric bupivacaine
Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok Noi
Mahidol University
OTHER