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
- 2019.1
- 수록면
- 68 - 76 (9page)
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초록· 키워드
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Study Design: Cadaveric biomechanical study. Purpose: The purpose of this study was to biomechanically evaluate the effect of preserving or augmenting the interspinous ligament (ISL) and supraspinous ligament (SSL; ISL/SSL) complex between the upper instrumented vertebra (UIV) and UIV+1 using a cadaveric model. Overview of Literature: Adult spinal deformity is becoming an increasingly prevalent disorder, and proximal junctional kyphosis (PJK) is a well-known postoperative complication following long spinal fusion. Methods: Pure moments of 4 and 8 Nm were applied to the native and instrumented spine, respectively (n=8). The test conditions included the following: native spine (T7–L2), fused spine (T10–L2), fused spine with a hand-tied suture loop through the spinous processes at T9–T10, and fused spine with severed T9–T10 ISL/SSL complex. Results: The flexion range of motion (ROM) at T9–T10 of the fused spine loaded at 8 Nm increased by 62% compared to that of the native spine loaded at 4 Nm. The average flexion ROM at T9–T10 for the suture loop and severed ISL/SSL spines were 141% (p =0.13) and 177% (p =0.66) of the native spine at 4 Nm, respectively (p -values vs. fused). Conclusions: Transection of the ISL/SSL complex did not significantly change flexion ROM at the proximal junctional segment following instrumented spinal fusion. Furthermore, augmentation of the posterior ligamentous tension band with a polyester fiber suture loop did not mitigate excessive flexion loads on the proximal junctional segment. We postulate that the role of the posterior ligamentous tension band in mitigating PJK is secondary to the anterior column support provided by the vertebral body and intervertebral disc.
목차
등록된 정보가 없습니다.
참고문헌 (28)
참고문헌 신청
Glattes RC / 2005 / Proximal junctional kyphosis in adult spinal deformity following long instrumented posterior spinal fusion : incidence, outcomes, and risk factor analysis / Spine(Phila Pa 1976) 30:1643~1649
Kim YJ / 2008 / Proximal junctional kyphosis in adult spinal deformity after segmental posterior spinal instrumentation and fusion : minimum five-year follow-up / Spine(Phila Pa 1976) 33:2179~2184
Yagi M / 2012 / Incidence, risk factors, and natural course of proximal junctional kyphosis : surgical outcomes review of adult idiopathic scoliosis : minimum 5 years of follow-up / Spine(Phila Pa 1976) 37:1479~1489
Bridwell KH / 2013 / Proximal junctional kyphosis in primary adult deformity surgery : evaluation of 20 degrees as a critical angle / Neurosurgery 72:899~906
Kim HJ / 2014 / Patients with proximal junctional kyphosis requiring revision surgery have higher postoperative lumbar lordosis and larger sagittal balance corrections / Spine(Phila Pa 1976) 39:E576~E580
Kim YJ / 2008 / Proximal junctional kyphosis in adult spinal deformity after segmental posterior spinal instrumentation and fusion : minimum five-year follow-up / Spine(Phila Pa 1976) 33:2179~2184
Yagi M / 2012 / Incidence, risk factors, and natural course of proximal junctional kyphosis : surgical outcomes review of adult idiopathic scoliosis : minimum 5 years of follow-up / Spine(Phila Pa 1976) 37:1479~1489
Bridwell KH / 2013 / Proximal junctional kyphosis in primary adult deformity surgery : evaluation of 20 degrees as a critical angle / Neurosurgery 72:899~906
Kim HJ / 2014 / Patients with proximal junctional kyphosis requiring revision surgery have higher postoperative lumbar lordosis and larger sagittal balance corrections / Spine(Phila Pa 1976) 39:E576~E580
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