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Single vs Dual Drains in BE-ULBD for Lumbar Stenosis
September 2025
Single vs Dual Drains in BE-ULBD for Lumbar Stenosis
Study Type:Therapy
OE Level Evidence:1
Journal Level of Evidence:1
Does the number of drain tubes influence the formation of postoperative spinal epidural hematoma following biportal endoscopic unilateral laminotomy for bilateral decompression (BE-ULBD) in patients with two-level adjacent lumbar spinal stenosis? a prospe
J Orthop Surg Res . 2025 Jun 24;20(1):615.Did you know you're eligible to earn 0.5 CME credits for reading this report? Click Here
Synopsis
Eighty-nine patients with two-level adjacent lumbar spinal stenosis were randomized to receive one drain tube (n=43) or two drain tubes (n=46) after BE-ULBD. The primary outcome was the cross-sectional area (CSA) of POSEH on MRI at 72 hours. Secondary outcomes included postoperative leg-pain VAS, total drainage volume, and length of stay. Outcomes were assessed up to 72 hours for MRI (and clinical...
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