结论：胸椎椎板倾斜角和黄韧带所受张力可能是胸椎黄韧带骨化多发于下胸段的解剖学和力学因素之一。
Conclusions: thoracic LSA and tension acting on ligamentum flavum may be the anatomical and biomechanical factors for the predilection on lower thoracic spine of TOLF.
方法回顾性分析了12例外伤性张力性气颅的临床特点、影像学特征、手术处理方法以及预后。
Method The retrospective analysis of the 12 patients with tension pneumocephalus who underwent surgical management was performed.
结论：腹腔镜疝修补术与开放式无张力疝修补手术时间、住院时间和术后复发两组无统计学差异。
Conclusions: The operation time, hospitalization time and postoperative recurrence rate are no statistically difference between laparoscopic and tension-free hernia repair.
疼痛情况两组差异无统计学意义（P>0.05）。两种固定后期并发症发生，张力带夹板组明显低于石膏固定组（P<0.05）。
There were no significant differences in pain between two groups(P>0.05). Occurrence of complications in tension band splint group were lower than that of plaster fixation group(P<0.05).
结果：皮质层的张力顺应性在疲劳预载和骨水泥充填，椎体水平上无统计学差别（所有的P和gt，0.05）。
Results. The strain compliance of cortical shell is generally not statistically significantly affected by the fatigue loading, cement augmentation and vertebral level (All P > 0.05).
结果：皮质层的张力顺应性在疲劳预载和骨水泥充填，椎体水平上无统计学差别（所有的P和gt，0.05）。
Results. The strain compliance of cortical shell is generally not statistically significantly affected by the fatigue loading, cement augmentation and vertebral level (All P > 0.05).
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