Comparison of Volumes of Local Anesthetics on the Efficiency and Safety of Stellate Ganglion Block for CRPS of the Arm
Stopped Not able to recruit enough patients
Conditions
- Complex Regional Pain Syndromes
Interventions
- PROCEDURE: stellate ganglion block with ropivacaine 0.2% 5 mL
- PROCEDURE: stellate ganglion block wit ropivacaine 0.2% 2 mL
Sponsor
Maisonneuve-Rosemont Hospital