Table 2

Patients Undergoing C1 Pedicle Screw Fixation.

PatientProcedureIndicationPresentationC1 Pedicle Screw OutcomeBlood loss (C1-C2)C1 Posterior Arch HeightC1 Pedicle Width
73FC1-T2 fusionOncologicC2 and C7 metSuccessful-3.8mmR 4.11mm
L 4.06mm
22MC1-2 fusionTraumaC1-2 distractionSuccessful100cc4.13mmR 5.16 mm
L 4.89 mm
76FO-T1 fusionTraumaC1-2 subluxSuccessful-4.43mmR 4.06mm
L 5.23mm
78FC1-2 fusionTraumaType II OdontoidSuccessful200cc4.29mmR 4.20mm
L 4.53mm
67MC1-4 fusionOncologicC2 metastaticSuccessful-4.7mmR 5.4mm
L 5.9mm
31MC1-3 fusionTraumaC2 fractureSuccessful-5.67mmR 8.70mm
L 7.61mm
73MC1-2 fusionTraumaType II OdontoidSuccessful100cc4.1mmR 6.7mm
L 6.6mm
83FC1-2 fusionTraumaType II OdontoidSuccessful100cc3.9mmR 5.0mm
L 5.2mm
35MC1-2 fusionTraumaOdontoid screw failure, Old Type II Odontoid fxFailure300cc3.94 mmR 2.78mm
L 4.42mm