椎体模型内模拟注射PMMA的流动及分布规律--百分百考试网 Keywords】 vertebroplasty； polymethyl methacrylate； porous media；vertebral model [gap=275]关键词】椎体成形术；聚甲基异丁烯酸；多孔介质；椎体模型
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研究设计：前瞻性随机实验研究，一猪模型腰椎前路椎体间融合实验研究。
Study Design. Prospective and randomized experimental study with anterior lumbar interbody fusion in a porcine model.
背景资料概要：非线性有限元模型被报道来猜测体外的椎体强度，但尚未应用于临床。
Summary of Background Data. FEM has been reported to predict vertebral strength in vitro, but has not been used clinically.
在校正性别，年龄及BMI后，我们采用多因素对数回归模型对LBP与椎体滑脱或脊柱前移的关系进行了分析。
We used multiple logistic regression models to examine the association between spondylolysis, spondylolisthesis, and LBP, while adjusting for gender, age, and BMI.
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