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논문 기본 정보

자료유형
학술저널
저자정보
Gunti Ranga Srinivas (Indian Institute of Science) Anindya Deb (Indian Institute of Science) Malhar N Kumar (HOSMAT Hospital) Goutham Kurnool (Indian Institute of Science)
저널정보
대한척추외과학회 Asian Spine Journal Asian Spine Journal Vol.10 No.2
발행연도
2016.1
수록면
205 - 214 (10page)

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Study Design: Experimental study. Purpose: The aim of the study was to develop a finite element (FE) model to study the long-term effects of various types of lumbar spinal interventions on the discs adjacent to the fused segment. Overview of Literature: Earlier FE studies have been limited to one particular type of fusion and comparative quantification of the adjacent disc stresses for different types of surgical interventions has not been reported. Methods: A computer aided engineering (CAE) based approach using implicit FE analysis assessed the stresses in the lumbar discs adjacent to the fused segment following anterior and posterior lumbar spine fusions at one, two and three levels (with and without instrumentation). Results: It was found that instrumentation and length of fusion were the most significant factors in increasing adjacent level stresses in the lumbar discs. Conclusions: In the present study, a calibrated FE model that examined spinal interventions under similar loading and boundary conditions was used to provide quantitative data which would be useful for clinicians to understand the probable long-term effect of their choice of surgical intervention.

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