Cervical spondylotic myelopathy
Conditions
Interventions
Experimental group:3D printed guiding device assisted bilateral crossing cervical microendoscopic laminoplasty
Control group:Cervical microendoscopic laminoplasty
Sponsors
The First Affiliated Hospital of Zhengzhou University
Eligibility
Sex/Gender
All
Age
16 Years to 75 Years
Inclusion criteria
Inclusion criteria: 1. Aged > 16 years; 2. 2 to 5 levels of cervical degenerative disc disease or spinal canal stenosis at C3-C7; 3. Diagnosis of degenerative disc disease or spinal canal stenosis verified by medical history and physical examination; 4. MRI and CT showed that the canal/vertebral body sagittal ratio was less than 0.75, but no focal protrusion, fragment protrusion or nerve root compression; 5. Strict conservative treatment was ineffective for more than 3 months.
Exclusion criteria
Exclusion criteria: 1. Single-level spinal canal stenosis or degenerative disc disease; 2. Cervical spondylotic radiculopathy, radiological evidence of nerve root compression caused by disc herniation; 3. Severe osteoporosis; 4. Greater than grade 1 spondylolisthesis; 5. Unwilling to sign informed consent for the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incision length;Operative time;Intraoperative blood loss;Adverse events; | — |
Secondary
| Measure | Time frame |
|---|---|
| The Japanese Orthopedic Association (JOA) score;The visual analogue scales (VAS);Cervical curvature index;Range of motion;The sagittal diameter of the spinal canal;The healing of the grooves; | — |
Countries
China
Contacts
Public ContactChunlin Zhang
The First Affiliated Hospital of Zhengzhou University
Outcome results
None listed