• Minimally Invasive Spine Department, Mianyang Orthopaedic Hospital, Mianyang, Sichuan 621000, P. R. China;
CUI Liqiang, Email: papaya1999@163.com
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Objective  To evaluate the clinical efficacy and safety of biportal endoscopic discectomy combined with annulus fibrosus suture in the treatment of recurrent lumbar disc herniation (RLDH). Methods  The clinical data of patients with RLDH who underwent biportal endoscopic discectomy combined with annulus fibrosus suture using a single-use suture device at Mianyang Orthopaedic Hospital between May 2020 and July 2022 were retrospectively collected. Visual Analogue Scale (VAS) scores for low back and leg pain and Oswestry Disability Index (ODI) scores on postoperative Day 3 and at the last follow-up were used to assess pain and functional status. Postoperative lumbar CT, MRI, and dynamic X-rays were obtained to evaluate the extent of decompression, disc removal, and spinal stability. Clinical efficacy during follow-up was assessed using the MacNab criteria since postoperative 3 months. Results  Twenty-one RLDH patients (16 males, 5 females) with a mean age of (45.14±15.26) years (range: 17-62 years) were included. The involved segments were L3-L4 in 1 case, L4-L5 in 9 cases, and L5-S1 in 11 cases. All surgeries were successfully completed without complications such as nerve injury, symptomatic epidural hypertension, dural tear, cerebrospinal fluid leakage, or infection. All patients were followed up for a mean duration of (11.38±3.51) months (range: 4-17 months). No recurrence of disc herniation or segmental instability was observed during follow-up. Significant improvements were seen in VAS scores for low back pain (2.90±0.70, 1.38±0.81), leg pain (2.33±0.58, 1.29±0.46), and ODI scores [(24.12±5.05)%, (11.29±1.86)%] on postoperative Day 3 and at the last follow-up compared to the preoperative values [5.90±1.09, 6.10±0.77, (57.08±9.72)%; all P<0.05]. According to the MacNab criteria, the clinical efficacy was rated as excellent in 16 cases, good in 3 cases, and fair in 2 cases, yielding an excellent-good rate of 90.5%. Conclusion  Biportal endoscopic discectomy with annulus fibrosus suture is a safe and effective treatment for RLDH, demonstrating favourable clinical outcomes and warranting further research and application.

Citation: GONG Shuangquan, WANG Chenglong, CUI Liqiang, LIU Hongjun, YE Yu, XIE Shiming. Efficacy and safety of biportal endoscopic discectomy with annulus fibrosus suture for recurrent lumbar disc herniation. West China Medical Journal, 2025, 40(9): 1376-1381. doi: 10.7507/1002-0179.202407046 Copy

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