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Lin MS, Huang CW, Tsou HK, Tzeng CY, Kao TH, Lin RH, Chen TY, Li CR, Lee CY. Advances in surgical treatment for atlantoaxial instability focusing on rheumatoid arthritis: Analysis of a series of 67 patients. Int J Rheum Dis 2023; 26:1996-2006. [PMID: 37565304 DOI: 10.1111/1756-185x.14855] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 07/17/2023] [Accepted: 07/19/2023] [Indexed: 08/12/2023]
Abstract
AIM An estimated 88% of rheumatoid arthritis (RA) patients experience various degrees of cervical spine involvement. The excessive movement of the atlantoaxial joint, which connects the occiput to the upper cervical spine, results in atlantoaxial instability (AAI). AAI stabilization is usually achieved by C1 lateral mass-to-C2 pedicle screw-rod fixation (LC1-PC2 fixation), which is technically challenging in RA patients who often show destructive changes in anatomical structures. This study aimed to analyze the clinical results and operative experiences of C1-C2 surgery, with emphasis on the advancement of image-guided surgery and augmented reality (AR) assisted navigation. METHODS We presented our two decades of experience in the surgical management of AAI from April 2004 to November 2022. RESULTS We have performed surgery on 67 patients with AAI, including 21 traumatic odontoid fractures, 20 degenerative osteoarthritis, 11 inflammatory diseases of RA, 5 congenital anomalies of the os odontoideum, 2 unknown etiologies, 2 movement disorders, 2 previous implant failures, 2 osteomyelitis, 1 ankylosing spondylitis, and 1 tumor. Beginning in 2007, we performed LC1-PC2 fixation under C-arm fluoroscopy. As part of the progress in spinal surgery, since 2011 we used surgical navigation from presurgical planning to intraoperative navigation, using the preoperative computed tomography (CT) -based image-guided BrainLab navigation system. In 2021, we began using intraoperative CT scan and microscope-based AR navigation. CONCLUSION The technical complexities of C1-C2 surgery can be mitigated by CT-based image-guided surgery and microscope-based AR navigation, to improve accuracy in screw placement and overall clinical outcomes, particularly in RA patients with AAI.
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Affiliation(s)
- Mao-Shih Lin
- Department of Neurosurgery, Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan, ROC
| | - Chih-Wei Huang
- Department of Neurosurgery, Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan, ROC
| | - Hsi-Kai Tsou
- Functional Neurosurgery Division, Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan, ROC
- Department of Rehabilitation, Jen-Teh Junior College of Medicine, Nursing and Management, Houlong, Taiwan, ROC
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung, Taiwan, ROC
- College of Health, National Taichung University of Science and Technology, Taichung, Taiwan, ROC
| | - Chung-Yuh Tzeng
- Department of Rehabilitation, Jen-Teh Junior College of Medicine, Nursing and Management, Houlong, Taiwan, ROC
- Department of Orthopedics, Taichung Veterans General Hospital, Taichung, Taiwan, ROC
- Department of Medicinal Botanicals and Foods on Health Applications, Da-Yeh University, Changhua, Taiwan, ROC
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung, Taiwan, ROC
| | - Ting-Hsien Kao
- Functional Neurosurgery Division, Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan, ROC
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung, Taiwan, ROC
| | - Ruei-Hong Lin
- Functional Neurosurgery Division, Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan, ROC
| | - Tse-Yu Chen
- Department of Neurosurgery, Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan, ROC
- Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan, ROC
| | - Chi-Ruei Li
- Department of Neurosurgery, Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan, ROC
| | - Cheng-Ying Lee
- Department of Neurosurgery, Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan, ROC
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Obo T, Fujishiro T, Neo M. In Reply to the Letter to the Editor Regarding “Biologic Agents Preserve the C-2 Pedicle in Patients with Rheumatoid Arthritis: A Comparative Imaging Study, Using Three-Dimensional Computed Tomography”. World Neurosurg 2022; 164:450. [DOI: 10.1016/j.wneu.2022.06.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 06/09/2022] [Indexed: 10/16/2022]
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