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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.
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Objective : To investigate the biomechanical effects of a newly proposed Interspinous Process Compressor (IPC) and compare with pedicle screw fixation at surgical and adjacent levels of lumbar spine. Methods : A three dimensional finite element model of intact lumbar spine was constructed and two spinal fusion models using pedicle screw fixation system and a new type of interspinous devices, IPC, were developed. The biomechanical effects such as range of motion (ROM) and facet contact force were analyzed at surgical level (L3/4) and adjacent levels (L2/3, L4/5). In addition, the stress in adjacent intervertebral discs (D2, D4) was investigated. Results : The entire results show biomechanical parameters such as ROM, facet contact force, and stress in adjacent intervertebral discs were similar between PLIF and IPC models in all motions based on the assumption that the implants were perfectly fused with the spine. Conclusion : The newly proposed fusion device, IPC, had similar fusion effect at surgical level, and biomechanical effects at adjacent levels were also similar with those of pedicle screw fixation system. However, for clinical applications, real fusion effect between spinous process and hooks, duration of fusion, and influence on spinous process need to be investigated through clinical study.
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참고문헌 (29)
참고문헌 신청
Anasetti F / 2010 / Spine stability after implantation of an interspinous device : an in vitro and finite element biomechanical study / J Neurosurg Spine 13:568~575
Bono CM / 2004 / Critical analysis of trends in fusion for degenerative disc disease over the past 20 years : influence of technique on fusion rate and clinical outcome / Spine 29:455~463
변동학 / 2012 / Finite Element Analysis of the Biomechanical Effect of Coflex™ on the Lumbar Spine / 대한척추신경외과학회지 9(3):131~136
Carreon LY / 2003 / Perioperative complications of posterior lumbar decompression and arthrodesis in older adults / J Bone Joint Surg Am 85:2089~2092
Chen SH / 2009 / Biomechanical comparison between lumbar disc arthroplasty and fusion / Med Eng Phys 31:244~253
Bono CM / 2004 / Critical analysis of trends in fusion for degenerative disc disease over the past 20 years : influence of technique on fusion rate and clinical outcome / Spine 29:455~463
변동학 / 2012 / Finite Element Analysis of the Biomechanical Effect of Coflex™ on the Lumbar Spine / 대한척추신경외과학회지 9(3):131~136
Carreon LY / 2003 / Perioperative complications of posterior lumbar decompression and arthrodesis in older adults / J Bone Joint Surg Am 85:2089~2092
Chen SH / 2009 / Biomechanical comparison between lumbar disc arthroplasty and fusion / Med Eng Phys 31:244~253
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