지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.1
- 수록면
- 207 - 215 (9page)
이용수
초록· 키워드
오류제보하기
Objective: We designed a method for inserting C1 pedicle screws using the directvisualization technique of the pedicle and serial dilatation technique to reduce complicationsand malposition of screw, and assessed the accuracy of this method. Methods: Free-hand C1 pedicle screw insertion using the direct visualization technique ofthe pedicle and serial dilatation technique was performed on 5 consecutive patients withC1–2 instability at a single institute from March to December 2018. The method involvedprotecting the vertebral artery (VA) and C1 root using the Penfeld No. 1, securing the entrypoint of the posterior arch screw and the pedicle was visible directly in Trendelenburgposition. The hole at the entry point of the C1 posterior arch was serially dilated using a2.5×3.0 mm drill bit, and the C1 pedicle screw was inserted with the free hand technique. We measured postoperative radiological parameters and recorded intraoperativecomplications, postoperative neurological defcits and the occurrence of occipital neuralgia. Postoperative computed tomography (CT) was performed to check screw malposition orconstruction failure. Results: Of the 10 C1 pedicle screws on postoperative CT, 20% of screws (grade A) were inthe ideal position while 80% of screws (grade B) occupied a safe position. Overall, 100% ofscrews were safe (grade A or B). There were no iatrogenic neurological defcits, VA injury. Conclusion: Freehand placement of the C1 pedicle screw through the direct visualizationtechnique of the pedicle and serial dilatation technique is safe and effective withoutintraoperative fluoroscopy guidance.
목차
등록된 정보가 없습니다.
참고문헌 (27)
참고문헌 신청
Aryan HE / 2008 / Stabilization of the atlantoaxial complex via C-1 lateral mass and C-2 pedicle screw fixation in a multicenter clinical experience in 102 patients : modification of the Harms and Goel techniques / J Neurosurg Spine 8:222~229
Fensky F / 2014 / Biomechanical advantage of C1 pedicle screws over C1 lateral mass screws : a cadaveric study / Eur Spine J 23:724~731
Gertzbein SD / 1990 / Accuracy of pedicular screw placement in vivo / Spine (Phila Pa 1976) 15:11~14
Goel A / 1994 / Plate and screw fixation for atlanto-axial subluxation / Acta Neurochir (Wien) 129:47~53
Gunnarsson T / 2007 / The use of C1 lateral mass screws in complex cervical spine surgery : indications, techniques, and outcome in a prospective consecutive series of 25 cases / J Spinal Disord Tech 20:308~316
Fensky F / 2014 / Biomechanical advantage of C1 pedicle screws over C1 lateral mass screws : a cadaveric study / Eur Spine J 23:724~731
Gertzbein SD / 1990 / Accuracy of pedicular screw placement in vivo / Spine (Phila Pa 1976) 15:11~14
Goel A / 1994 / Plate and screw fixation for atlanto-axial subluxation / Acta Neurochir (Wien) 129:47~53
Gunnarsson T / 2007 / The use of C1 lateral mass screws in complex cervical spine surgery : indications, techniques, and outcome in a prospective consecutive series of 25 cases / J Spinal Disord Tech 20:308~316
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