BACKGROUND: Full-endoscopic spine surgery (FESS) necessitates the use of X-ray fluoroscopy for intraoperative guidance and orientation. However, the two-dimensional X-ray fluoroscopic images do not provide real-time guidance. The authors developed a new real-time three-dimensional (3D) navigation technique for FESS that entails the use of intraoperative cone beam computed tomography (CBCT) in a hybrid operating room (OR). METHODS: A total of 23 patients undergoing FESS using real-time 3D navigation system were enrolled. Preoperative and intraoperative CBCT data were registered in the navigation system. The 3D navigation was used to intraoperatively determine the trajectory and obtain position information. The feasibility and usefulness of the navigation system were retrospectively analyzed. RESULTS: Twenty patients had lumbar spine disease, whereas three patients had cervical spine disease. The 3D navigation was successfully used for intraoperative guidance and provided accurate information in all patients. X-ray fluoroscopy was not required in any of the patients. No complications associated with the use of 3D navigation system were encountered. CONCLUSIONS: The use of real-time 3D navigation system in the hybrid OR was found to be safe and effective in providing intraoperative guidance for FESS. 2020 Journal of Spine Surgery. All rights reserved.
BACKGROUND: Full-endoscopic spine surgery (FESS) necessitates the use of X-ray fluoroscopy for intraoperative guidance and orientation. However, the two-dimensional X-ray fluoroscopic images do not provide real-time guidance. The authors developed a new real-time three-dimensional (3D) navigation technique for FESS that entails the use of intraoperative cone beam computed tomography (CBCT) in a hybrid operating room (OR). METHODS: A total of 23 patients undergoing FESS using real-time 3D navigation system were enrolled. Preoperative and intraoperative CBCT data were registered in the navigation system. The 3D navigation was used to intraoperatively determine the trajectory and obtain position information. The feasibility and usefulness of the navigation system were retrospectively analyzed. RESULTS: Twenty patients had lumbar spine disease, whereas three patients had cervical spine disease. The 3D navigation was successfully used for intraoperative guidance and provided accurate information in all patients. X-ray fluoroscopy was not required in any of the patients. No complications associated with the use of 3D navigation system were encountered. CONCLUSIONS: The use of real-time 3D navigation system in the hybrid OR was found to be safe and effective in providing intraoperative guidance for FESS. 2020 Journal of Spine Surgery. All rights reserved.
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