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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
- 2015.1
- 수록면
- 460 - 464 (5page)
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초록· 키워드
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Objective : Bilateral C1 lateral mass and C2 pedicle screw fixation (C1LM-C2P) is an ideal technique for correcting atlantoaxial instability (AAI). However, the inevitable situation of vertebral artery injury or unfavorable bone structure may necessitate the use of unilateral C1LM-C2P. This study compares the fusion rates of the C1 lateral mass and C2 pedicle screw in the unilateral and bilateral methods. Methods : Over five years, C1LM-C2P was performed in 25 patients with AAI in our institute. Preoperative studies including cervical X-ray, three-dimensional computed tomography (CT), CT angiogram, and magnetic resonance imaging were performed. To evaluate bony fusion, measurements of the atlanto-dental interval (ADI) and CT scans were performed in the preoperative period, immediate postoperative period, and postoperatively at 1, 3, 6, and 12 months. Results : Unilateral C1LM-C2P was performed in 11 patients (44%). The need to perform unilateral C1LM-C2P was due to anomalous course of the vertebral artery in eight patients (73%) and severe degenerative arthritis in three patients (27%). The mean ADI in the bilateral group was 2.09 mm in the immediate postoperative period and 1.75 mm in 12-months postoperatively. The mean ADI in the unilateral group was 1.82 mm in the immediate postoperative period and 1.91 mm in 12-months postoperatively. Comparison of ADI measurements showed no significant differences in either group (p=0.893), and the fusion rate was 100% in both groups. Conclusion : Although bilateral C1LM-C2P is effective for AAI from a biomechanical perspective, unilateral screw fixation is a useful alternative in patients with anatomical variations.
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참고문헌 (21)
참고문헌 신청
Abou Madawi A. / 1997 / Variation of the groove in the axis vertebra for the vertebral artery. Implications for instrumentation / J Bone Joint Surg Br 79:820~823
Coyne TJ. / 1995 / C1-C2 posterior cervical fusion : long-term evaluation of results and efficacy / Neurosurgery 37:688~692
Gautschi OP. / 2014 / Clinically relevant complications related to posterior atlanto-axial fixation in atlanto-axial instability and their management / Clin Neurol Neurosurg 123:131~135
Goel A. / 2002 / Atlantoaxial fixation using plate and screw method : a report of 160 treated patients / Neurosurgery 51:1351~1356
Goel A. / 1994 / Plate and screw fixation for atlanto-axial subluxation / Acta Neurochir(Wien) 129:47~53
Coyne TJ. / 1995 / C1-C2 posterior cervical fusion : long-term evaluation of results and efficacy / Neurosurgery 37:688~692
Gautschi OP. / 2014 / Clinically relevant complications related to posterior atlanto-axial fixation in atlanto-axial instability and their management / Clin Neurol Neurosurg 123:131~135
Goel A. / 2002 / Atlantoaxial fixation using plate and screw method : a report of 160 treated patients / Neurosurgery 51:1351~1356
Goel A. / 1994 / Plate and screw fixation for atlanto-axial subluxation / Acta Neurochir(Wien) 129:47~53
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