232
Participants
Start Date
March 10, 2021
Primary Completion Date
March 31, 2022
Study Completion Date
March 31, 2022
Preoperative fluoroscopically-guided dorsal ramus block placed by the operative neurosurgeon
Patients received bupivicaine injections delivered via 22-gauge spinal needle to the junction of the facet and transverse process or ala at multiple spinal levels (2.5-5 cc per injection of 0.25% or 0.5% bupivacaine).
Columbia University Irving Medical Center, New York
Columbia University
OTHER