This is a retrospective chart review to determine the non-inferiority of performing lower extremity peripheral nerve block placement under spinal anesthesia compared to its pre-spinal counterpart.~Primary outcome:~- The investiigators will be looking into persistent abnormal neuropathic symptoms lasting more than 7 days following a sciatic popliteal nerve block.
This is a retrospective chart review to determine the non-inferiority of performing lower extremity peripheral nerve block placement under spinal anesthesia compared to its pre-spinal counterpart.