Anaesthetic Medications in Post-SCI Pain

Mrs. Miller is still feeling intense tingling pain. You suggest treatment with Lidocaine through a subarachnoid lumber catheter.
Q25.  What is the evidence for the use of injected anaesthetics for post-SCI pain?
1. Lidocaine treatment through a subarachnoid lumbar catheter and intravenous Ketamine improve post-SCI pain short term. (Level 1 evidence).