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Effect of Irrigation Pressure on Postoperative Complications and Surgical Field Clarity in Unilateral Biportal Endoscopic Surgery

RecruitingNAAges 18 Years - 75 YearsAllFan Zhang
NCT07837427 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

This study is being done to find out if the height of the fluid bag and the direction of the surgical cut affect the pressure of the fluid used during unilateral biportal endoscopic (UBE) spine surgery. UBE is a minimally invasive surgery for the spine. During this surgery, fluid is used to keep the surgical area clear and to control bleeding. The pressure of this fluid may affect how clear the surgical view is, how much bleeding occurs, and how well patients recover after surgery. We will also collect disc tissue removed during surgery to study how disc degeneration is related to factors such as sex, age, mechanical stress, and injury. About 80 patients aged 18 to 75 who are scheduled for UBE surgery at our hospital will take part. Patients will be randomly assigned to one of four groups based on two things: the height of the fluid bag (0.9 meters or 1.0 meters) and the direction of the

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📋 Eligibility rules (as published)
Inclusion Criteria: * Age \>= 18 years and \< 75 years. * Patients scheduled for unilateral biportal endoscopic (UBE) surgery for lumbar degenerative disease at the First Affiliated Hospital of Kunming Medical University between February 2026 and December 2027. * Follow-up duration \> 6 months. * Complete clinical and follow-up data available. * Voluntary participation and signed informed consent. Exclusion Criteria: * History of tuberculosis, infection, tumor, or trauma. * Severe cardiac, hepatic, or renal insufficiency. * History of chronic lung disease, liver disease, HIV infection, diabetes, or renal insufficiency. * Psychiatric disorders or inability to comply with follow-up. * Severe osteoporosis. * Pregnant or lactating women.
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What it tests

  • Unilateral Biportal Endoscopic Surgery
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Where

1 site
The First Affiliated Hospital of Kunming Medical University
Kunming, China
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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