Ultrasound Guided Intermediate Cervical Plexus Block and Additional Perivascular Local Anesthetic Infiltration
Conditions
Interventions
- DRUG: intermediate cervical plexus block ropivacaine
- DRUG: pericarotidal infiltration (active comparator) ropivacaine
- DRUG: jugular infiltration prilocaine
- DRUG: pericarotidal infiltration (placebo comparator) saline
Sponsor
Helios Research Center