Ct Scan Vs X-Ray Scan Video
Ultrasound vs X-ray Photography and CT Scans - Advantages and Disadvantages - GCSE Physics Ct Scan Vs X-Ray ScanThis can accelerate the intraoperative workflow, because the surgeon does not have to plan or assess the pedicle screw position in the OR and can rely on a preoperative plan. Especially for robotic navigation systems preoperative planning is used routinely.
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Rigid image fusion is linked to static anatomic structures. Due to different patient positioning in the preoperative supine and the intraoperative prone stages, the accuracy of this software can be diminished. Therefore, the user has to perform several image fusions for the different segments of the spine to Sczn an accurate coregistration of the preoperatively planned screws. This is time-consuming, and therefore, not applicable for most surgeries. BrainLAB has developed an elastic fusion software, which can fuse 2 data sets accurately over the whole spine and thereby compensate for different patient positioning in the preoperative and the intraoperative setting.
INTRODUCTION
The software is capable of fusing the preoperative data set to the intraoperative data set and thereby transforming the curvature so that it matches over all the vertebrae along the spine with the patient position of the intraoperative data set. Until now, this coregistration was performed with rigid fusion software, which can fuse 2 link sets in a predefined Ct Scan Vs X-Ray Scan of interest ROI.
The aim of the study is to compare the performance of the rigid fusion software to the elastic fusion software. With this comparison, we want to evaluate if elastic fusion would allow for an accurate, reliable, and efficient coregistration and transfer of preoperatively planned screws to the intraoperative setting, to be used for image-guided surgery.
The indication for surgery was spondylolisthesis and spinal canal stenosis. Patients were positioned prone onto a Jackson table. All patients had preoperative CT scans.
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Screw positioning was planned on preoperative CT scans. Screws were then coregistered with the 2 different 3D navigation software programs.
Each screw was coregistered with rigid fusion Elements Image Fusion 3. Please note that we were using Scn CT scans preoperative and intraoperative in order to have the same ROI from the same patient. Between 2 and 4 levels have been planned virtually on the thoracolumbar spine. The study was conducted with virtually planned screws in order to understand the clinical difference of rigid fusion Elements Image Fusion 3.]
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