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Study on the safe approach of percutaneous transforaminal endoscopic lumbar discectomy based on preoperative MRI

Study on the safe approach of percutaneous transforaminal endoscopic lumbar discectomy based on preoperative MRI

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2300068174
Enrollment
Unknown
Registered
2023-02-09
Start date
2023-02-20
Completion date
Unknown
Last updated
2023-05-15

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

Conditions

Lumbar Disc Herniation

Interventions

Group of Lumbar Disc Herniation:Nil

Sponsors

Spine Surgery Department of Orthopaedics Centre, Army Medical Center of PLA
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. L4/5 disc herniation (central/paracentral) ; 2. Unilateral lumbar 5 nerve root compression ; 3. The symptoms and signs were consistent with imaging

Exclusion criteria

Exclusion criteria: 1. Multi-segmental lumber disc herniation; 2. Types other than L4/5 intervertebral disc herniation (central /paracentral ), such as highly dissociated type, foraminal type, extreme lateral type, etc; 3. Huge protrusion of L4/5 intervertebral disc compresses bilateral L5 nerves; 4. Severe spinal stenosis; 5. Cauda equina syndrome

Design outcomes

Primary

MeasureTime frame
Working casing target Angle ?a;Horizontal angle of nerve root ?ß;Distance from nerve root to surgical channel boundary;Distance from nerve root to "target site";—

Secondary

MeasureTime frame
The foraminal height;The disc height;Distance from nerve root to superior articular process;Lower margin of the intraspinal safety triangle;—

Countries

China

Contacts

Public ContactFan weili

Spine Surgery Department of Orthopaedics Centre, Army Medical Center of PLA

williemfan@163.com+86 13883916853

Outcome results

None listed

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