经皮内镜椎板间入路手术治疗腰椎间盘突出症的临床分析

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Abstract Objective To investigate the surgical techniques and clinical effects of percutaneous endoscopic interlaminar discectomy in the treatment of lumbar disc herniation.Methods A total of 29 patients with lumbar disc herniation were treated by percutaneous endoscopic interlaminar discectomy from November 2014 to February 2016.There were 19 males and 10 females，whose average age was 55 years old.All cases had intracanalicular lumbar disc herniation，L_4～5in 11cases，L₅S₁ in 18.The Visual Analogue Scale(VAS)，Oswestry Disability Index(ODI) and modified MacNab criteria were used for the evaluation of clinical effects.Results The operation was completed successfully in 28 patients，1 patient was transfere to open operation.The mean operation time was 96 min.The 28 patients were followed up for 6～9 months(average 8.3 months)，low back and leg pain，sensory disturbance and muscle weakness were alleviated in different degrees after the operation.The VAS scores of low back pain and leg pain were (4.50±1.95) and (8.07±1.18) point preoperatively，(0.79±0.69) and (0.93±0.72) point at 6～9 months after the operation.The ODI scores were (65.43±15.15)% preoperatively and (9.64±6.09)% at 6～9 months after the operation.Statistically significant differences existed in the VAS scores of low back and leg pain and ODI scores preoperatively and at 6～9 months after the operation(P＝0.000).The excellent and good rate was 94.6% in the latest follow up according to the modified MacNab criteria.Conclusion Percutaneous endoscopic interlaminar discectomy for lumbar disc herniation presents satisfactory short-term clinical outcomes due to reliable surgical technique and appropriate patients.The complications should be avoided during operation.

Key words： lumbar disc herniation discectomy endoscopy interlaminar approach

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[1]	. [J]. sygkzz, 2021, 27(1): 66-87.