Long-term Radiographic Outcome of Occipitocervical Fixation: An Analysis of Fusion Rate and Spontaneous Subaxial Alignment Change at an Average 7-year Follow-up

Conclusion. The CT-confirmed fusion rate of OCF was 77.2% over an average 89.7-month follow-up. Compensatory sagittal alignment change can occur in the unfused subaxial segments in conjunction with the alignment change in the instrumented OC segments, whereas the horizontal gaze was maintained. Strong consideration for the intraoperative measurement of the OC2A should be given during OCF to minimize both early and long-term complications. Level of Evidence: 4
Source: Spine - Category: Orthopaedics Tags: CERVICAL SPINE Source Type: research