76
Participants
Start Date
June 20, 2019
Primary Completion Date
November 9, 2019
Study Completion Date
November 17, 2019
Continuous Paravertebral block with ropivacaine
Inject 25 ml 0.5% ropivacaine in the T8 paravertebral space followed with catheter insertion and continuous 0.2% ropivacaine infusion(infusion rate: 0.125ml/kg/pulse,1pulse/h).
"Continuous Paravertebral block with saline"
Inject 25 ml 0.9% saline in the T8 paravertebral space followed with catheter insertion and continuous 0.9% ropivacaine infusion(infusion rate: 0.125ml/kg/pulse,1pulse/h).
Patient-controlled analgesia with morphine
Morphine given as intravenous patient-controlled analgesia bolus: 2mg, lock time: 5min, 1h limitation: 8mg
Peking Union Medical College Hospital, Beijing
Cui Xulei
OTHER