脊柱

Methods Six cadaveric lumbar vertebrae were harvested and evaluated with dual-energy x-ray absorptiometry and quantitative computed tomography to assess bone mineral density. Matched, polyaxial pedicle screws were then randomly assigned by side and placed using the Magerl, Krag or caudad trajectory technique assisted by Iso-C 3D scan and 3D navigation system. Cyclic loading tests were performed with a maximum 250 N load at 3 Hz up to 30000 cycles while recording load and displacement. Stiffness quotients were calculated it comparison.

从尸体中获取6节腰椎椎体经DEXA和QCT检测骨密度值，证实为骨质疏松后在计算机导航下按随机分组的方法向12个椎弓根中置人不同方向的椎弓根螺钉，使用MTS-858生物力学仪脊柱力学测试平台进行±250N的循环负荷疲劳测试，记录负荷循环中的螺钉位移，计算系统的刚度系数并进行对比分析。

Four patients had neurologic deficits at the time of presentation, and all 4 had associated kyphosis.

四个病人在扫描时有神经缺失，且都有脊柱后凸。

Proximal and distal junctional kyphosis of _10° occurred in 25 (32.1%) and 4 (5.1%), respectively.

近端和远端交界处发生≥10°脊柱后凸分别为25例（32.1%）和4例（5.1%）。

However, OLF related to tuberculous kyphosis is rarely observed and this makes surgical treatment become very difficult.

然而，极少发现OLF与结核性脊柱后凸相关，从而导致手术治疗变得非常困难。

This is one of the largest reported series of Scheuermann's kyphosis treated operatively to our knowledge.

交界后凸尤其是近端的高发生率，与采用当前技术手术治疗绍伊尔曼脊柱后凸密切相关。

To our knowledge, only 1 article had reported 2 similar cases of spinal stenosis above a healed tuberculous kyphosis.

就我们所知，仅有1篇文献报道治疗了2例病情相似的结核性脊柱后凸伴椎管狭窄病例。

The all-screw group demonstrated a significant decrease in kyphosis, which was not seen in the hybrid group.

全椎弓螺钉组显示明显踬脊柱的后突畸形，这点在混合构型组未被看到。

ABSTRACT:Objective To investigate the feasibility and clinical significance of posterior vertebra column resection and reconstruction in the treatment of severe kyphosis.

目的 探讨严重脊柱后凸畸形行后路一期全椎体切除加重建手术的可行性和临床意义。

A review of the current literature using evidence-based medicine regarding etiology, natural history, and treatment of Scheuermann kyphosis.

研究设计：使用循证医学，在Scheuermann脊柱后凸的病因学、自然史和治疗方面，对目前的文献资料进行回顾。

Objective To study the clinical effects of nano-artificial vertebral lamina on vertebral operation via rear way.

目的 研究纳米人工椎板在脊柱后路手术中的应用。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。