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Study Design: A retrospective cohort study.Purpose: To compare the clinical effects of local anesthesia (LA), general anesthesia (GA) and modified sensation-motion separation anesthesia (MA) in percutaneous endoscopic interlaminar discectomy (PEID) for treating L5/S1 lumbar disc herniation (LDH) and guide the junior surgeons.Patients and methods: Eighty-four patients with L5/S1 LDH underwent PEID using three anesthesia methods. Patients in groups LA (26), GA (29) and MA (29) were given a follow-up examination retrospectively. General parameters, preparation and anesthesia time, operation time, recovery time, incidence rate of complications, ambulation time, length of hospital stay, severe complications, and reoperation rate were compared, and clinical outcomes were analyzed using a visual analog scale (VAS), the Oswestry Disability Index (ODI), and the Short-Form Health Survey 36 (SF-36).Results: MA demonstrated obvious advantages over the other two methods in operation time and led a better intraoperative experience than LA. Group MA and LA required less time in bed postoperatively and shorter hospital stays than group GA. The mean postoperative VAS score, ODI score and SF-36 score were significantly better than the preoperative values in all groups (P0.05). Three cases (3/29) of nervous disorder occurred in the GA group. Two cases in the GA (1/29) and LA (1/26) groups were revised among all three groups, with a total recurrence rate of 2.4% (2/84). Conclusions: Modified anesthesia with sensation-motion separation was a suitable method for spinal surgeons who were inexperienced with PEID in the treatment of L5/S1 disc herniation due to its high safety and good patient tolerance. |
