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Forty-three patients with chronic spinal cord injury for over 6 months were transplanted with bryonic olfactory ensheathing cells, 2-4 × 106, into multiple sites in the injured area under the sur-gical microscope. The sympathetic skin response in patients was measured with an electromyo-graphy/evoked potential instrument 1 day before transplantation and 3-8 weeks after trans-tion. Spinal nerve function of patients was assessed using the American Spinal Injury Association impairment scale. The sympathetic skin response was elicited in 32 cases before olfactory en-sheathing celltransplantation, while it was observed in 34 cases after transplantation. tantly, sympathetic skin response latency decreased significantly and amplitude increased cantly after transplantation. Transplantation of olfactory ensheathing cells also improved American Spinal Injury Association scores for movement, pain and light touch. Our findings indicate that factory ensheathing celltransplantation improves motor, sensory and autonomic nerve functions in patients with chronic spinal cord injury.
