置换

AIM: To explore operation opportunity and method and curative effect of cementless total hip arthroplasty surgery for treatment of ankylosing spondylitis.

目的：探讨强直性脊柱炎患者行人工非骨水泥型全髋关节置换的手术时机、手术方法及疗效分析。

Strict attention to detail in the surgical technique of implantation of the femoral component remains identical to that of cementless primary THA.

严格注意于在股骨假体植入的手术技术中的细节，同非骨水泥型初次全髋置换仍然一样。

Engh et al. made detailed examinations of stress shielding of the femur after cementless total hip replacement.

Engh等对无骨水泥固定全髋关节置换后股骨的应力遮挡作了详细的检测。

Objective: To analyze the change of periprosthetic bone mineral density after cementless total hip arthroplasty by dual-energy X-ray absorptiometry.

方 法］对41例全髋关节置换术后患者股骨及髋臼假体周围BMD进行12个月的动态观察，并与23例术后5年以上的患者比较。

Methods Cementless titanium tapered-wedge femoral stems were implanted in 136 hips in 124 patients.Twelve patients died in 10-year follow-up,and 22 patients were lost during follow-up.

总共124例患者，行136侧全髋置换术，其中12例患者在随访过程中自然死亡，另有22例在随访中失去联系，余下的90例（96侧THR）平均随访9.6年。

The minimal incision approach has been extended to hip resurfacing arthroplasty. Chena et al.

小切口手术入路已经应用于髋关节表面置换术中。

In the recovery of copper and zinc, etc. from waste hydrochloric acid by zinc powder replacement, zinc chlorinate liquor is obtained.

研究了在废盐酸溶液中用锌粉置换回收铜、铅等金属得到的氯化锌溶液，采用两步调碱和磁场作用制备碱式碳酸锌。

Objective To investigate the role of aprotinin blood anesthesia used in the joint replacement and the effect on the blood coagulable function.

目的探讨抑肽酶血液麻醉在关节置换外科手术中的使用价值及对凝血功能的影响。

Aprotinin blood anesthesia can reduce the volume of hemorrhage and transfusion and not influence the coagulable function. It is worth using in the joint replacement operation.

结论抑肽酶血液麻醉可明显减少关节置换外科手术的出血量，减少异体血的输入，且不影响凝血功能，值得推广应用。

The results show that the development and dissipation of dynamic pore water pressure are coinstantaneous,which makes the plus and minus pore water pressure and seepage force both alternate with time.

动孔隙水压力随车速的增大而增大，而且由于水压力的存在路面弯沉和面层内的有效应力减小了，但水对沥青膜的乳化和置换作用加强了。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。