Regional Haemodynamic Changes in Radial Artery Assessment With Continuous Pulsed-wave Doppler Ultrasound
Stopped No participants enrolled
Conditions
Interventions
- DRUG: 0.5% ropivacaine paravertebral block
- DRUG: 0.25% ropivacaine epidural block
- DRUG: 0.5% ropivacaine local anaesthesia
Sponsor
China Medical University, China