A medical records based study for clinical application of C2 vertebral body screw combined with C3 lateral mass screw in occipitocervical posterior arthrodesis in patients with vertebral artery high span and C2-3 segmental insufficiency

Clinical application of C2 vertebral body screw combined with C3 lateral mass screw in occipitocervical posterior arthrodesis in patients with vertebral artery high span and C2-3 segmental insufficiency

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2000041060

Enrollment

Unknown

Registered

2020-12-17

Start date

2020-12-15

Completion date

Unknown

Last updated

2021-03-01

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

Conditions

Cervical spine disease

Interventions

Observation group:C2 vertebral body screw combined with C3 lateral mass screw was used for posterior occipital cervical fusion

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: The risk of high transversely pedicled screw of vertebral artery is too high; Lack of hypoplasia of the 2nd cervical isthmus and failure to place nails.

Exclusion criteria

Exclusion criteria: 1. Those who could not tolerate the operation; 2. Patients with other serious diseases.

Design outcomes

Primary

Measure	Time frame
Screw loosening rate;Anatomical position of atlantoaxial;Bone fusion rate;VAS;JOA;ODI;	—

Countries

China

Contacts

Public ContactLiu Peng

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

liupengd@163.com+86 18983661991

Outcome results

None listed

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