197 C2 Nerve Root Transection During C1 Lateral Mass Screw Fixation: Does it Affect Functionality and Quality of Life?

Posterior atlantoaxial stabilization via C1 lateral mass screw fixation can be technically challenging. Sectioning of the C2 nerve root allows for direct visualization of the C1-2 joint and may facilitate arthrodesis. We set out to determine the clinical and functional consequences of routine sectioning of C2 nerve root during placement of C1 lateral mass screws.

All patients who underwent posterior atlantoaxial stabilization via C1 lateral mass screw fixation were included in the study. Data was prospectively collected on patient demographics, surgical variables, and clinical outcome. A standard questionnaire was used to determine the severity of posterior auricular numbness or pain, and its effect on quality of life. Domains of NDI were used to assess disability related to C2 symptoms.

A total of 28 patients were included (C2 transection = 8; C2 preservation = 20). Groups were similar at baseline. A trend...