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A Modified Translaminar Osseous Channel-Assisted Percutaneous Endoscopic Lumbar Discectomy for Highly Migrated and Sequestrated Disc Herniations of the Upper Lumbar: Clinical Outcomes, Surgical Indications, and Technical Considerations

A Modified Translaminar Osseous Channel-Assisted Percutaneous Endoscopic Lumbar Discectomy for Highly Migrated and Sequestrated Disc Herniations of the Upper Lumbar: Clinical Outcomes, Surgical Indications, and Technical Considerations

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR-ONC-17010836
Enrollment
Unknown
Registered
2017-03-10
Start date
2014-04-01
Completion date
Unknown
Last updated
2017-04-18

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

Conditions

Highly Migrated and Sequestrated Disc Herniations of the Upper Lumbar

Interventions

Sponsors

The First Affiliated Hospital of Zunyi Medical College
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Patients with a highly migrated and sequestrated disc herniations, which displaced away from the extrusion site and greater than the posterior marginal disc height measured from the adjacent endplate level of the upper body, at L1–L2, L2–L3 or L3–L4 level as demonstrated by computed tomography (CT) and magnetic resonance imaging (MRI); single-segment disc herniation; and unsuccessful conservative treatment for at least 6 weeks.

Exclusion criteria

Exclusion criteria: The exclusion criteria were the presence of spinal stenosis; clear instabilities or deformities; chronic discogenic back pain; painless motor weakness, and pyogenic discitis.

Design outcomes

Primary

MeasureTime frame
VAS for back and leg pain;ODI;Radiological Findings;MacNab criteria;

Countries

China

Contacts

Public ContactWenbo Liao

The First Affiliated Hospital of Zunyi Medical College

wenbo900@sina.com+86 13985685360

Outcome results

None listed

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