upper cervical spondylosis
Conditions
Interventions
3D printed titanium metal bone trabecular fusion device group:None
PEEK Fusion Device Group:None
Sponsors
The First Affiliated Hospital of PLA Air Force Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 75 Years
Inclusion criteria
Inclusion criteria: 1. Diagnosed with upper cervical spine deformity (atlantoaxial dislocation, basilar depression); 2. Treated via posterior atlantoaxial reduction and fusion with internal fixation; 3. Lateral fusion blocks utilised 3D-printed titanium trabecular bone fusion cages or PEEK fusion cages; 4. Atlantoaxial facet joints present, with no evidence of robust bony fusion; 5. Complete medical records available.
Exclusion criteria
Exclusion criteria: 1. Spinal infection, tumour, or tuberculosis; 2. Traumatic injury; 3. History of posterior cervical spine surgery; 4. Cases unsuitable for fusion device placement due to inability to assume prone position (e.g., advanced age, critical condition), severe osteoporosis, or localised infection; 5. Follow-up duration < 24 months; 6. Missing imaging data or loss to follow-up.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| atlantodental interval;cervicomedullary angle; | — |
Secondary
| Measure | Time frame |
|---|---|
| JOA score ;VAS score; | — |
Countries
China
Contacts
Public ContactLi Mo
The First Affiliated Hospital of PLA Air Force Medical University
Outcome results
None listed