60
Participants
Start Date
December 31, 2014
Primary Completion Date
September 30, 2015
Study Completion Date
September 30, 2015
Dexmedetomidine
Group GTD received thoracic continuous paravertebral nerve block with dexmedetomidine (0.5μg/kg) added to ropivacaine before anesthesia induction, and used continuous thoracic paravertebral nerve block patient-controlled analgesia(with dexmedetomidine 100μg).
Ropivacaine
Group GE\\GT\\GTD respectively received continuous nerve blocks and postoperative analgesia combined with ropivacaine.
Mindray M7 series
Ultrasound real-time guidance have been used in continuous thoracic paravertebral blocks in group GT and group GTD.
Department of Anesthesiology,Guangzhou Military Region General Hospital, Guangzhou
Weifeng Tu
OTHER