• World Neurosurg · Oct 2024

    Comparative Study

    Single-Level Unilateral Biportal Endoscopic versus Tubular Microdiscectomy: Comparing Surgical Outcomes and Opioid Consumption.

    • Yixuan Tong, Samuel Ezeonu, Yong H Kim, and Charla R Fischer.
    • Department of Orthopedic Surgery, Division of Spine Surgery, NYU Langone Health, New York, New York, USA.
    • World Neurosurg. 2024 Oct 1; 190: e754e761e754-e761.

    BackgroundUnilateral biportal endoscopic (UBE) microdiscectomy is an emerging minimally invasive surgery technique for treating symptomatic lumbar disc herniation. There is limited literature regarding outcomes. Here, we assess surgical outcomes and pain medication consumption for UBE vs. tubular lumbar microdiscectomy.MethodsThis was a retrospective cohort study of adult patients undergoing primary, single-level UBE or tubular lumbar microdiscectomy surgery at a high-volume institution between 2018 and 2023. Variables of interest included operative time, complications and reoperations, as well as postoperative opioid and nonopioid pain medication consumption from discharge to 6 months. Opioid consumption was converted to morphine milligram equivalents. Standard statistical analyses were performed for comparative analyses.ResultsOne hundred two patients-48 UBE and 54 tubular-were included. Average operative time (minutes) was higher for UBE patients (133.1 UBE vs. 86.6 tubular, P < 0.001), which trended downward over time but did not reach statistical significance (P = 0.07). There were no differences in complication or reoperation rates. Average daily MME was lower from discharge to 2-week follow-up in the UBE group (11.1 v. 14.1, P = 0.02), but were comparative thereafter. Nonopioid medication prescription was lower in the UBE cohort from discharge to 2 weeks (70.8% vs. 92.6%, P = 0.01) and 2 to 6 weeks (52.1% vs. 85.2%, P < 0.001), with no significant differences thereafter.ConclusionsUBE microdiscectomy is associated with longer operating times. Both opioid and nonopioid pain medication consumption were lower for UBE patients during the initial postoperative period, perhaps owing to the less-invasive nature of the surgery.Copyright © 2024 Elsevier Inc. All rights reserved.

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