11/27/2023 0 Comments Airo ct for lumbar spineAfter accounting for planned breach, the effective breach rate was 3.8% resulting in 96.2% accuracy for pedicle screw placement. Average screw insertion time was 1.76 ± 0.89 min. Among lateral breach (n = 16), ten screws were planned for in–out–in pedicle screw insertion. We noted 27 pedicle screw breach (medial: 10 lateral: 16 anterior: 1). We had 242 grade 2 pedicles, 133 grade 3, and 77 grade 4, and 44 pedicles were unfit for pedicle screw insertion. The average Cobb angle was 68.3° (range 60°–104°). Breach greater than 2 mm was considered for analysis. Analysis was performed to estimate the accuracy of screw placement and time for screw insertion. Pedicles were classified according to complexity of insertion into five types. Materials and methodsģ1 complex spinal deformity correction surgeries were prospectively analyzed for performance of AIRO® mobile CT-based navigation system. To develop a classification based on the technical complexity encountered during pedicle screw insertion and to evaluate the performance of AIRO® CT navigation system based on this classification, in the clinical scenario of complex spinal deformity. Rajasekaran, Manindra Bhushan, Siddharth Aiyer, Rishi Kanna, Ajoy Prasad ShettyĪugust 2018, Volume 27, Issue 9, pp 2339 - 2347
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