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논문 기본 정보

자료유형
학술저널
저자정보
Ai Okamoto (Department of Neurosurgery Nara Medical University School of Medicine) Yasuhiro Takeshima (Department of Neurosurgery Nara Medical University School of Medicine) Shohei Yokoyama (Department of Neurosurgery Nara Medical University School of Medicine) Fumihiko Nishimura (Department of Neurosurgery Nara Medical University School of Medicine) Ichiro Nakagawa (Department of Neurosurgery Nara Medical University School of Medicine) Young-Soo Park (Department of Neurosurgery Nara Medical University School of Medicine) Hiroyuki Nakase (Department of Neurosurgery Nara Medical University School of Medicine)
저널정보
대한척추신경외과학회 Neurospine Neurospine 제19권 제2호
발행연도
2022.6
수록면
393 - 401 (9page)
DOI
10.14245/ns.2143258.629

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Objective: To evaluate cervical facet joint degeneration using a newly developed classifica tion, investigate its prevalence and relationship with cervical degenerative spondylolisthe sis, and clarify its clinical significance in patients with degenerative cervical myelopathy (DCM). Methods: This study included 145 consecutive patients with DCM who underwent surgical treatment. Clinical variables and radiological findings were analyzed. A new 6-grade com puted tomography (CT) classification for cervical facet joint degeneration was adapted, and its prevalence was evaluated by categorizing the joints into those at responsible and those at nonresponsible spinal segmental levels. We evaluated the association between rapidly pro gressive myelopathy and the presence of significant facet joint degeneration or spondylolis thesis at the responsible segmental level. Results: Finally, 140 patients with a mean age of 64.1 ± 12.8 years were analyzed. The prev alence of grade 1, 2, 3, 4, 5A, and 5B classification in all facet joints was 72.0%, 9.5%, 10.9%, 4.3%, 2.9%, and 0.4%, respectively. There was a statistically significant difference in the distribution of CT grades between the joints at the responsible and nonresponsible segmental levels (p < 0.001), with a high prevalence of grade 4 or 5B degeneration at the re sponsible segmental level, reflecting articular irregularity. There was also a statistically sig nificant relationship between rapidly progressive myelopathy and grade 4 or 5B degenera tion at the responsible segmental level (p < 0.001), but not between rapidly progressive my elopathy and spondylolisthesis (p = 0.255). Conclusion: This novel CT classification for facet joints deserves additional evaluation in patients with DCM. Abnormal findings on the articular surfaces might be related to the progression of myelopathy.

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