Atlantoaxial dislocation
Conditions
Interventions
Navigation group:Application of O-arm navigation and positioning aid to localize screw placement position
Guide plate group:Application of 3-dimensional reconstruction of patient CT images to design individualized surgical guides to assist screw placement
Fluoroscopy group:C-arm fluoroscopy positioning screw placement position
Sponsors
Luohe Central Hospital
Eligibility
Sex/Gender
All
Age
15 Years to 59 Years
Inclusion criteria
Inclusion criteria: (1) reducible atlantoaxial dislocation or instability. Patients undergoing atlantoaxial internal fixation; (2) Patients could tolerate surgery without surgical contraindications.
Exclusion criteria
Exclusion criteria: (1) The imaging showed that the pedicle was small or deformed, and the lateral mass could not be placed, and the pedicle screw was inserted. (2) vertebral artery variations such as high span and intruding, which may affect atlantoaxial screw placement; (3) atlantoaxial dislocation that cannot be reduced by traction and requires anterior release; (4) patients with serious underlying diseases; (5) patients with incomplete imaging data or lost to follow-up.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Screw placement time;One-time screw placement success rate;Accuracy of screw placement;Surgical time; | — |
Secondary
| Measure | Time frame |
|---|---|
| operative complication;Intraoperative blood loss; | — |
Countries
China
Contacts
Public ContactYuwei Li
Staff of Luohe Central Hospital
Outcome results
None listed