The investigators designed a study to assess whether thoracic paravertebral blocks using a combination of ropivacaine and dexmedetomidine prolong nerve block duration. The effects of dexmedetomidine have only been compared at lower doses. This trial examined the effect of greater dose of dexmedetomidine on thoracic paravertebral block analgesia duration.
The investigators designed a study to assess whether thoracic paravertebral blocks using a combination of ropivacaine and dexmedetomidine prolong nerve block duration.