• World Neurosurg · Dec 2024

    Comparative study between unilateral biportal endoscopic discectomy and percutaneous interlaminar endoscopic discectomy for the treatment of L5/S1 disc herniation.

    • Jianjian Yin, Gongming Gao, Senlin Chen, Tao Ma, and Luming Nong.
    • Department of Orthopedics, The Third Affiliated Hospital of Nanjing Medical University, Changzhou, China.
    • World Neurosurg. 2024 Dec 18; 194: 123526123526.

    PurposeTo compare the clinical outcomes of unilateral biportal endoscopic discectomy (UBED) and percutaneous interlaminar endoscopic discectomy (PIED) for treating L5/S1 disc herniation.MethodsPatients with L5/S1 disc herniation treated with UBED (n = 46) and PIED (n = 50) in our hospital during the same period were retrospectively reviewed. Clinical outcome, radiographic parameters, and complications of each group were collected and evaluated.ResultsThe mean follow-up period was 14.11 ± 3.47 months in the UBED group and 14.52 ± 5.37 months in the PIED group. There was no significant difference in visual analog scale score for the leg (P = 0.836) or lumbar scores (P = 0.335) between PIED and UBED group at preoperative, 1-day postoperative, and last follow-up point. Within the same group, there were significant differences in visual analog scale score for the leg (P < 0.001) and lumbar scores (P < 0.001) compared pairwise at 3 time points. Oswestry Disability Index scores of both groups showed significant improvement at the last follow-up (P < 0.001, P < 0.001), and there was no significant difference in patient satisfaction rates (97.8% vs. 96%) between the 2 groups on the basis of the MacNab criteria. The percentage of facet joint preservation was 96.74 ± 9.10% in the UBED group and 99.22 ± 1.52% in the PIED group. The total blood loss and hospitalization cost was greater in the UBED group. One patient in both groups showed postoperative hematoma. A dural tear occurred in UBED group and a never root injury occurred in the PIED group.ConclusionsUBED indicates similar short-term efficacy compared with PIED for treating L5/S1 disc herniation. No difference was found in facet joint preservation between the 2 groups. We believe the increased cost of UBED as the result of surgical consumables will decrease in the future.Copyright © 2024 The Author(s). Published by Elsevier Inc. All rights reserved.

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