Ma Yingkai, Ma Xinnan, Cheng Shi, Lv Songcen, Qi Xin
Department of Orthopedics, Second Affiliated Hospital of Harbin Medical University, Haerbin, China.
Department of Orthopaedic Surgery, The First Hospital of Jilin University, Changchun, China.
Front Surg. 2023 Jan 30;9:1090067. doi: 10.3389/fsurg.2022.1090067. eCollection 2022.
Prosthesis loosening after THA is a rather common complication. For DDH patients with Crowe IV, the surgical risk and complexity is significant. THA with S-ROM prosthesis combined with subtrochanteric osteotomy is a common treatment. However, loosening of a modular femoral prosthesis (S-rom) is uncommon in THA and has a very low incidence. With modular prostheses distal prosthesis looseness are rarely reported. Non-union osteotomy is a common complication of subtrochanteric osteotomy. We report three patients with Crowe IV DDH who developed prosthesis loosening following THA with an S-ROM prosthesis and subtrochanteric osteotomy. We addressed the management of these patients and prosthesis loosening as likely underlying causes.
全髋关节置换术后假体松动是一种相当常见的并发症。对于Crowe IV型发育性髋关节发育不良（DDH）患者，手术风险和复杂性很高。使用S-ROM假体结合转子下截骨术进行全髋关节置换是一种常见的治疗方法。然而，模块化股骨假体（S-rom）在全髋关节置换术中松动并不常见，发生率非常低。关于模块化假体远端假体松动的报道很少。截骨不愈合是转子下截骨术的常见并发症。我们报告了3例Crowe IV型DDH患者，他们在使用S-ROM假体和转子下截骨术进行全髋关节置换术后出现了假体松动。我们探讨了这些患者的治疗方法以及可能作为潜在原因的假体松动问题。
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