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| FAN Yunshan,GONG Haoyu,ZHAO Yingchuan.Analysis of curative effect of V-shape bichannel endoscopy(VBE) system assisted lumbar interbody fusion in the treatment of single level lumbar spine diseases[J].Chinese Journal of Spine and Spinal Cord,2024,(4):380-388. |
| Analysis of curative effect of V-shape bichannel endoscopy(VBE) system assisted lumbar interbody fusion in the treatment of single level lumbar spine diseases |
| Received:November 26, 2023 Revised:April 06, 2024 |
| English Keywords:Minimally invasive spinal surgery Spinal endoscopy Lumbar intervertebral fusion |
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| English Abstract: |
| 【Abstract】 Objectives: To report a V-shape bichannel endoscopy (VBE) system and evaluate the preliminary clinical effects of VBE assisted transforaminal lumbar interbody fusion(VBE-TLIF). Methods: 20 patients with lumbar diseases underwent VBE-TLIF surgery in our hospital from January 2020 to April 2021 were retrospectively reviewed. There were 13 males and 7 females, with a mean age of 57.0±11.7 years old(28-77 years old). The operative time and complications were collected, and visual analogue scale(VAS) scores, Oswestry disability index(ODI) before surgery and at 3d, 3, 6, 12 and 18 months after surgery were recorded to evaluate the relief of patients′ symptoms. And also, modified MacNab′s criteria and radiological examination results at final follow-up were analyzed to to evaluate the overall satisfactory and fusion rate. Results: The average follow-up time of 20 patients was 27.0±3.6 months(22-36 months), and the clinical symptoms of patients relieved significantly. The average VAS leg pain score and VAS back pain score reduced respectively from 6.3±1.6 and 5.7±1.1 before operation to 1.9±0.9 and 2.3±0.8 at 3d postoperatively, and further to 0.7±0.6 and 0.9±0.7 at 18 months after the surgery, and both with significant differences(P＜0.05). Comparing with the preoperative average ODI[(60.2±15.3)％], the ODI at the 18th month after surgery was (15.0±5.8)%, and the difference was with statistical significance(P＜0.05). There was one patient experienced transient hip flexion weakness and improved after one month of symptomatic treatment; One patient experienced cage immigration causing nerve root irritation and underwent reoperation, the fusion rate was 95%(19/20); No serious operation related complications occurred. The overall excellent and good rate was 95% by modified MacNab′s criteria. Conclusions: VBE-TLIF is a safe and effective minimally invasive lumbar fusion technique, and its primary clinical application is satisfactory in outcomes. |
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