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首页> 外文会议>International Society for Computer Assisted Orthopaedic Surgery. Meeting >Comparison of a mini-posterior approach and a direct anterior approach on the accuracy of cup orientation using a CT-based navigation system
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Comparison of a mini-posterior approach and a direct anterior approach on the accuracy of cup orientation using a CT-based navigation system

机译：基于CT基导航系统的迷你方法和直接前途的比较和直接前途

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Introduction: There is enormous enthusiasm to use minimally invasive surgery (MIS) techniques for total hip arthroplasty (THA) to reduce the damage caused by the surgical procedure. But it is always a challenge to avoid misalignment of the implants where there is limited exposure [1]. Computer assisted surgery is expected to reduce the risk of malposition in MIS-THA and we reported that CT-based navigation significantly reduced the variability of cup orientation in THA through a mini-posterior approach [2]. There are, however, several approaches for MIS-THA, and the type of approach may affect the accuracy of registration due to the different areas exposed for registration. The purpose of this study was to compare the accuracy of cup orientation between a mini-posterior approach and a direct anterior approach using a CT-based navigation system. Methods: We prepared two groups matched for age, sex, diagnosis and body mass index (BM1), and performed 40 primary cementless THAs (40 patients ) through two types of mini-incision (Group A - Direct anterior approach; Group P - Posterior approach). Each group consisted of 20 patients. In Group A, the mean age was 55.1 years (42 to 68; SD 12.0).
机译：介绍：使用全髋关节置换术（THA）的微创手术（MIS）技术有巨大的热情，以减少手术程序造成的损害。但避免曝光有限的植入物的未对准是一项挑战[1]。预计计算机辅助手术预计将降低MIS-THA中呈现的风险，我们报告说，基于CT的导航通过微型方法显着降低了THA中杯中取向的可变性[2]。然而，有几种用于MIS-TH的方法，并且这种类型的类型可能会影响注册的不同区域的注册的准确性。本研究的目的是比较迷你方法与使用基于CT的导航系统的直接前进方法之间的杯取向的准确性。方法：我们编制了两组符合年龄，性别，诊断和体重指数（BM1）的组，通过两种类型的迷你切口进行40名初级无硬固定THA（40名患者）（A组 - 直接前进;组P - 后部方法）。每组由20名患者组成。在A组中，平均年龄为55.1岁（42至68; SD 12.0）。

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