• Pritsanai Pruttikul, Thanat Sutthiwongkit, Sombat Kunakornsawat, Sompoch Paiboonsirijit, and Krit Pongpirul.
• Bumrungrad International Hospital, 33 Sukhumvit 3, Wattana, Bangkok, 10110, Thailand.
• Eur Spine J. 2024 Jul 1; 33 (7): 288628912886-2891.

BackgroundIncidental dural tears are common complications in lumbar spine surgery, particularly in endoscopic procedures where primary closure via suturing is challenging. The absence of a standardized approach for dural closure in endoscopic spine surgery necessitates exploring alternative techniques.ObjectiveThis study introduces a surgical technique for dural closure utilizing fat graft and Gelfoam, offering an effective alternative to standard approaches in endoscopic spine surgery.MethodsSurgical data from patients who underwent interlaminar endoscopic discectomy or stenosis decompression at Lerdsin Hospital from October 2014 to October 2021 were analyzed.ResultsAmong 393 cases, dural tears occurred in 2% (8 patients). Our technique achieved successful closure in all these cases, with no incidents of cerebrospinal fluid leakage or wound complications. The majority of patients showed favorable clinical outcomes, except for one case involving concomitant nerve root injury.ConclusionThis study demonstrates that using fat graft and Gelfoam for dural closure is a simple, reliable, and safe technique, particularly effective for challenging-to-repair areas in interlaminar endoscopic lumbar spine surgery.© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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