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无脱位的模块化全髋关节置换术颈部-柄界面分离。

Dissociation of modular total hip arthroplasty at the neck-stem interface without dislocation.

机构信息

Department of Orthopaedics and Traumatology, University Hospital of Patras, 26504, Rio, Patras, Greece.

出版信息

J Orthop Traumatol. 2012 Dec;13(4):221-4. doi: 10.1007/s10195-011-0172-9. Epub 2011 Dec 8.

Abstract

Modular femoral and acetabular components are now widely used, but only a few complications related to the modularity itself have been reported. We describe a case of dissociation of the modular total hip arthroplasty (THA) at the femoral neck-stem interface during walking. The possible causes of this dissociation are discussed. Successful treatment was provided with surgical revision and replacement of the modular neck components. Surgeons who use modular components in hip arthroplasties should be aware of possible early complications in which the modularity of the prostheses is the major factor of failure.

摘要

目前广泛使用模块化股骨和髋臼组件,但仅报道了少数与模块性本身相关的并发症。我们描述了一例在行走过程中股骨颈-柄界面的模块化全髋关节置换术(THA)分离的病例。讨论了这种分离的可能原因。通过手术修正和模块化颈部件更换提供了成功的治疗。在髋关节置换术中使用模块化部件的外科医生应该意识到可能出现的早期并发症,其中假体的模块性是失败的主要因素。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2606/4417849/23ec4d405384/10195_2011_172_Fig1_HTML.jpg

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