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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.1
- 수록면
- 556 - 562 (7page)
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초록· 키워드
오류제보하기
Study Design: Retrospective case analysis. Purpose: We hypothesized that larger the C1–C2 fusion angle, greater the severity of the sagittal malalignment of C0–C1 and C2–C7. Overview of Literature: In our experience, instances of sagittal malalignment occur at C0–C1 and C2–C7 following atlantoaxial fusion in patients with Os odontoideum (OO). Methods: We assessed 21 patients who achieved solid atlantoaxial fusion for reducible atlantoaxial instability secondary to OO. The mean patient age at the time of the operation was 42.8 years, and the mean follow-up duration was 4.9 years. Radiographic parameters were preoperatively measured and at the final follow-up. The patients were divided into two groups (A and B) depending on the C1–C2 fusion angle. In group A (n=11), the C1–C2 fusion angle was ≥22°, whereas in group B, it was <22°. The differences in the radiographic parameters of the two groups were evaluated. Results: At the final follow-up, the C1–C2 angle was increased. However, this increase was not statistically significant (18° vs. 22°, p=0.924). The C0–C1 angle (10° vs. 5°, p<0.05) and C2–C7 angle (22° vs. 13°, p<0.05) significantly decreased. The final C1–C2 angle was negatively correlated with the final C0–C1 and C2–C7 angles. The final C0–C1 angle (4° vs. 6°, p<0.05) and C2–C7 angle (8° vs. 20°, p<0.05) were smaller in group A than in group B. After atlantoaxial fusion, the C0–C1 range of motion (ROM; 17° vs. 9°, p<0.05) and the C2–C7 ROM (39° vs. 31°, p<0.05) were significantly decreased. Conclusions: We found a negative association between the sagittal alignment of C0–C1 and C2–C7 after atlantoaxial fusion and the C1–C2 fusion angle along with decreased ROM. Therefore, overcorrection of C1–C2 kyphosis should be avoided to maintain good physiologic cervical sagittal alignment.
목차
등록된 정보가 없습니다.
참고문헌 (25)
참고문헌 신청
Klimo P Jr / 2008 / Os odontoideum : presentation, diagnosis, and treatment in a series of 78 patients / J Neurosurg Spine 9:332~342
R eilly CW / 2006 / Transarticular screws in the management of C1-C2 instability in children / J Pediatr Orthop 26:582~588
Gluf WM / 2005 / Atlantoaxial transarticular screw fixation : a review of surgical indications, fusion rate, complications, and lessons learned in 191 adult patients / J Neurosurg Spine 2:155~163
Ni B / 2010 / Bilateral C1 laminar hooks combined with C2 pedicle screws fixation for treatment of C1-C2 instability not suitable for placement of transarticular screws / Eur Spine J 19:1378~1382
Gallie WE / 1939 / Fractures and dislocations of the cervical spine / Am J Surg 46:495~499
R eilly CW / 2006 / Transarticular screws in the management of C1-C2 instability in children / J Pediatr Orthop 26:582~588
Gluf WM / 2005 / Atlantoaxial transarticular screw fixation : a review of surgical indications, fusion rate, complications, and lessons learned in 191 adult patients / J Neurosurg Spine 2:155~163
Ni B / 2010 / Bilateral C1 laminar hooks combined with C2 pedicle screws fixation for treatment of C1-C2 instability not suitable for placement of transarticular screws / Eur Spine J 19:1378~1382
Gallie WE / 1939 / Fractures and dislocations of the cervical spine / Am J Surg 46:495~499
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