Clinical Effects of the End-Love Technique in the Treatment of Recurrent Lumbar Disc Herniation 1 Year After Surgery

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Background: The number of patients with lumbar disc herniation in China is increasing year by year. Percutaneous endoscopic lumbar discectomy (PELD) is currently the main surgical method for treating lumbar disc herniation (LDH). However, with the increase in the number of surgical cases, the number of patients with recurrent lumbar disc herniation (RLDH) is also increasing. Currently, the common method in China is lumbar fusion surgery, but this surgery would cause the loss of fusion segment mobility and considerable postoperative complications. In order to solve the problem above the following technique will be studied: the technique of posterior lumbar laminectomy and nucleus pulposus removal under fully visualized spinal endoscopy (ENDO-LOVE) to treat RLDH. Its clinical effects will be observed in this paper, too. Methods: This series includes RLDH patients treated with ENDO-LOVE technology between January 2017 and January 2021. All patients will undergo at least three follow-up visits one year after surgery. The modified MacNab standard, VAS, JOA, and ODI scores will be used to evaluate clinical efficacy, observe for cerebrospinal fluid leak, nerve root injury, and surgical site infection, and evaluate clinical safety. Results: All 29 patients completed the surgery successfully. Three patients had postoperative pain and numbness in the area of nerve root innervation, and all patients had no serious complications. The VAS, JOA scores and ODI indices of back pain and leg pain 1-day, 3-months, and 1-year postoperatively differed statistically significantly from the preoperative scores ( p < 0.05). Efficacy evaluated at 1-year postoperatively using the modified MacNab criteria showed an excellent rate of 89.7%. Conclusion: ENDO-LOVE technology has demonstrated good clinical efficacy and safety in the treatment of patients with RLDH. It should be considered for all patients with this condition. Keywords: recurrent lumbar disc herniation, ENDO-LOVE technique, total spinal endoscopy

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