The use of CT in the development and implementation of a preoperative protocol to aid in pedicle screw placement during scoliosis surgery |
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Authors: | Douglas Jamieson Angeliki Perdios Renjit Varghese Christopher W Reilly |
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Institution: | (1) Department of Radiology, British Columbia Children’s Hospital, 4480 Oak Street, Vancouver, BC, V6H3V4, Canada;(2) Department of Orthopaedics, British Columbia Children’s Hospital, Vancouver, Canada |
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Abstract: | Scoliosis surgical constructs, using pedicle screws, provide increased fixed penetrable points for rod attachment. This allows
improved curve correction and increases hardware stability. We have implemented a multidetector CT evaluation of the spine
with post-process image manipulation to aid pedicle screw placement for deformity correction. Preoperative scanning was done
with a Philips Brilliance 16 multislice CT scanner. The created image dataset provided valuable preoperative information regarding
pedicle morphology, suitability for screw placement and preoperative screw planning. Projected intraoperatively, the images
increased the surgeon’s confidence during screw placement, especially in large deformities with severe rotation. Improving
pre- and intraoperative pedicle information is a valuable tool in operative management of children with spinal deformity. |
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Keywords: | CT Spine Scoliosis Pedicle screws Children |
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