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Comparison of uniportal versus biportal endoscopic decompression for the treatment of lumbar spinal stenosis: single center, prospective non-randomized controlled study

Comparison of uniportal versus biportal endoscopic decompression for the treatment of lumbar spinal stenosis: single center, prospective non-randomized controlled study - Endo-LSS

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2200066192
Enrollment
Unknown
Registered
2022-11-28
Start date
2023-01-16
Completion date
Unknown
Last updated
2025-07-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Lumbar Spinal Stenosis

Interventions

uniportal endoscopic decompression group:achieve lumbar canal decompression by use of uniportal endoscopic spine surgery technic
biportal endoscopic decompression group:achieve decompression by use of biportal endoscopic spine surgery technic

Sponsors

Beijing Friendship Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
50 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Aged 50–80 years; 2. Patients with persistent neurogenic claudication who do not respond to conservative treatment for over 3 months; 3. Lumbr spinal stenosis with one or two-level pathology with or without degenerative spondylolisthesis <=1 degree; 4. Absence of significant instability; 5. Able to provide informed consent and willing to participate and to comply with our proposed follow-up protocol.

Exclusion criteria

Exclusion criteria: 1. Spondylolisthesis (Meyer grade >= II); 2. Segmental instability (anterior translation [>3 mm] and/or increasing segmental sagittal motion [>15°] ) on plain standing radiographs; 3. A history of lumbar spinal surgery at the same level; 4. Advanced degenerative lumbar scoliosis (Cobb angle > 20°); 5. Other spinal diseases (e.g., ankylosing spondylitis, spine tumor, fracture, or neurologic disorders); 6. Psychological disorders (e.g. dementia, intellectual disability, or drug abuse).

Design outcomes

Primary

MeasureTime frame
Oswestry Disability Index Score;

Secondary

MeasureTime frame
Bony decompression range;The expansion of the thecal sac;erythrocyte sedimentation rate (ESR);creatine kinase (CK);Visual Analog Score for back pain;Visual Analog Score for leg pain;Japanese Orthopaedic Association Score;Study 36-Item Short Form Health Survey Score;Surgical complication;Modified MacNab score;Operation time;Blood loss;Postoperative hospital stays;Age;Gender;Body mass index (BMI);Medical comorbidity;Smoking status;Alcohol status;Symptoms duration;Physical examination finding; Previous spinal surgery;Affected level;Stenosis grade;

Countries

China

Contacts

Public ContactLi Xiang

Beijing Friendship Hospital

muzixiangxin2022@163.com+86 136 7135 5062

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026