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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
- 578 - 581 (4page)
이용수
초록· 키워드
오류제보하기
A rigid spino-pelvic fixation to anchor long constructs is crucial to maintain the stability of long fusion in spinal deformity surgery. Besides obtaining immediate stability and proper biomechanical strength of constructs, the S2 alar-iliac (S2AI) screws have some more advantages. Four Korean fresh-frozen human cadavers were procured. Free hand S2AI screw placement is performed using anatomic landmarks. The starting point of the S2AI screw is located at the midpoint between the S1 and S2 foramen and 2 mm medial to the lateral sacral crest. Gearshift was advanced from the desired starting point toward the sacro-iliac joint directing approximately $20^{\circ}$ angulation caudally in sagittal plane and $30^{\circ}$ angulation horizontally in the coronal plane connecting the posterior superior iliac spine (PSIS). We made a S2AI screw trajectory through the cancellous channel using the gearshift. We measured caudal angle in the sagittal plane and horizontal angle in the coronal plane. A total of eight S2AI screws were inserted in four cadavers. All screws inserted into the iliac crest were evaluated by C-arm and naked eye examination by two spine surgeons. Among 8 S2AI screws, all screws were accurately placed (100%). The average caudal angle in the sagittal plane was $17.3{\pm}5.4^{\circ}$. The average horizontal angle in the coronal plane connecting the PSIS was $32.0{\pm}1.8^{\circ}$. The placement of S2AI screws using the free hand technique without any radiographic guidance appears to an acceptable method of insertion without more radiation or time consuming.
목차
등록된 정보가 없습니다.
참고문헌 (8)
참고문헌 신청
Chang TL. / 2009 / Low profile pelvic fixation : anatomic parameters for sacral alar-iliac fixation versus traditional iliac fixation / Spine(Phila Pa 1976) 34:436~440
Edwards CC 2nd. / 2004 / Long adult deformity fusions to L5 and the sacrum. A matched cohort analysis / Spine(Phila Pa 1976) 29:1996~2005
현승재 / 2010 / A Mid-Term Follow-Up Result of Spinopelvic Fixation Using Iliac Screws for Lumbosacral Fusion / 대한신경외과학회지 48(4):347~353
Kim YJ. / 2006 / Pseudarthrosis in adult spinal deformity following multisegmental instrumentation and arthrodesis / J Bone Joint Surg Am 88:721~728
Mattei TA. / 2013 / Combined S-1 and S-2 sacral alar-iliac screws as a salvage technique for pelvic fixation after pseudarthrosis and lumbosacropelvic instability : combined S-1 and S-2 sacral alar-iliac screws as a salvage technique for pelvic fixation after pseudarthrosis and lumbosacropelvic instability : technical note / J Neurosurg Spine 19:321~330
Edwards CC 2nd. / 2004 / Long adult deformity fusions to L5 and the sacrum. A matched cohort analysis / Spine(Phila Pa 1976) 29:1996~2005
현승재 / 2010 / A Mid-Term Follow-Up Result of Spinopelvic Fixation Using Iliac Screws for Lumbosacral Fusion / 대한신경외과학회지 48(4):347~353
Kim YJ. / 2006 / Pseudarthrosis in adult spinal deformity following multisegmental instrumentation and arthrodesis / J Bone Joint Surg Am 88:721~728
Mattei TA. / 2013 / Combined S-1 and S-2 sacral alar-iliac screws as a salvage technique for pelvic fixation after pseudarthrosis and lumbosacropelvic instability : combined S-1 and S-2 sacral alar-iliac screws as a salvage technique for pelvic fixation after pseudarthrosis and lumbosacropelvic instability : technical note / J Neurosurg Spine 19:321~330
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