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Table 3 Data for instruments used for the C2 pedicle in patients with a HRVA (31 sides of 26 patients)

From: Correlation between osteoarthritis of the atlantoaxial facet joint and a high‐riding vertebral artery

Instrument

 

Pedicle screw

0

Laminar screw

9

Pars screw

0

No insertion

Anterior fusion

9

Only decompression

1

Fixation above C3

10

Avoid insertion

2

Total

31