Rankin Kelsey A, Petit Logan, Nasreddine Adam, Minotti Phil, Leslie Michael, Wiznia Daniel H
Yale School of Medicine, New Haven, CT, USA.
Yale Department of Orthopaedics and Rehabilitation, New Haven, CT, USA.
Arthroplast Today. 2022 May 10;15:153-158. doi: 10.1016/j.artd.2022.03.015. eCollection 2022 Jun.
Imageless computer-assisted navigation (CAN) excels in the post-traumatic arthritis and complex revision case setting when altered anatomy and landmarks are inaccurate references for cup positioning. We describe the case of an adult male patient who suffered an acetabular fracture which was treated nonoperatively. He subsequently developed post-traumatic arthritis and underwent an anterior approach total hip arthroplasty 25 years later. Postoperatively, he developed recurrent hip instability due to malpositioned components. We describe the use of imageless CAN during revision total hip arthroplasty to correct malpositioned components, with 3-year follow-up without dislocation. In these complex cases, CAN reduces the risk of component malpositioning and joint instability.
在创伤后关节炎和复杂翻修病例中，当解剖结构改变且地标对于髋臼杯定位而言是不准确的参考时，无影像计算机辅助导航（CAN）表现出色。我们描述了一例成年男性患者的病例，该患者髋臼骨折，接受了非手术治疗。随后他患上了创伤后关节炎，并在25年后接受了前路全髋关节置换术。术后，由于假体位置不当，他出现了复发性髋关节不稳定。我们描述了在翻修全髋关节置换术中使用无影像CAN来纠正假体位置不当的情况，随访3年无脱位。在这些复杂病例中，CAN降低了假体位置不当和关节不稳定的风险。
