OBJECTIVE Both unilateral biportal endoscopy technique(UBE) and percutaneous endoscopic transforaminal discectomy(PETD) are minimally invasive and effective surgical procedures for lumbar spinal stenosis.The object of this retrospective study was to compare the clinical and radiological outcomes between UBE and PETD. METHODS In the period from July 2020 to December 2020, using UBE or PETD to treat lumbar canal stenosis.Patients were classified into two groups based on the surgery they had undergone. Preoperative and postoperative MR image was used to evaluate the removal rate of lumbar disc herniated material by two surgical methods. The two surgical methods are also compared and evaluated in terms of operation time, incision size, hospitalization time, etc.
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Cross-sectional area of the preoperative lumbar intervertebral disc
Timeframe: preoperative
Cross-sectional area of the preoperative spinal canal
Timeframe: preoperative
Cross-sectional area of the postoperative lumbar intervertebral disc
Timeframe: 3 months after surgery
preoperative ODI
Timeframe: preoperative
ODI on 3 months after operation
Timeframe: 3 months after surgery
ODI at the final follow-up
Timeframe: Final follow-up
preoperative VAS back pain score
Timeframe: preoperative
preoperative VAS leg pain score
Timeframe: preoperative
VAS back pain score on postoperative day 1
Timeframe: 1 day after operation
VAS leg pain score on postoperative day 1
Timeframe: 1 day after operation
VAS back pain score on 3 months after operation
Timeframe: 3 months after operation
VAS leg pain score on 3 months after operation
Timeframe: 3 months after operation
VAS back pain score at the final follow-up
Timeframe: Final follow-up
VAS leg pain score at the final follow-up
Timeframe: Final follow-up