Biomechanical evaluation of In-Out-In pedicle screws for atlantoaxial posterior fixation in the presence of high-riding vertebral artery and narrow C2 pedicles: a finite element analysis
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DOI: 10.1186/s13018-025-06095-2
Abstract: In patients with high-riding vertebral artery (HRVA) and narrow pedicles, placement of C2 pedicle screws carries a significant risk of vertebral artery injury. The in-out-in pedicle screws (IOIPS) technique offers an alternative posterior fixation strategy.… read more here.
Keywords: narrow pedicles; pedicle; pedicle screws; posterior fixation ... See more keywords