Atlantoaxial rotatory fixation (AARF) and subluxation are conditions that affect the cervical spine, specifically the joint between the first cervical vertebra (C1, or atlas) and the second ...

It involves instability at the atlantoaxial joint, which connects the first two cervical vertebrae (C1 and C2). This instability can lead to severe neurological symptoms due to spinal cord ...

Eight patients had atlanto-axial instability. Six had interlaminar fusion between atlas and axis. No serious complications were seen. Stability was obtained in all patients postoperatively.