Multifidus Cervicis Plane Block Vs. Sham Block For Posterior Cervical Spine Fusion Surgery

Exclusion Criteria

• •1. Emergency posterior CSFS.
• •2. Revision surgery or history of previous cervical spine surgery
• •3. History of allergy to local anesthetics or steroids.
• •4. Patients who are coagulopathic at the time of surgery
• •5. Patients with contraindications to MCP blocks, including but not limited to anatomical abnormality or previous surgical intervention that limits or prevents receiving the blocks
• •6. Infection at the site of the block.
• •7. Weight \< 40 kg to avoid local anesthetic toxicity.
• •8. Patients on chronic or continuous opioid use of \> 50 MME (morphine milli-equivalent) per day for at least 30 days within 90 days prior to surgery.
• •9. Patients with a history of chronic inflammatory conditions such as multiple sclerosis
• •10. Refusal to participate or lack of providing the study consent