From the Department of Orthopaedic Surgery, Cedars-Sinai Medical Center, Los Angeles, CA (Stone and Noorzad), and the Department of Orthopaedic Surgery, Rothman Orthopaedic Institute-Thomas Jefferson University, Philadelphia, PA (Namdari and Abboud).
J Am Acad Orthop Surg. 2021 May 15;29(10):414-422. doi: 10.5435/JAAOS-D-20-00166.
Total shoulder arthroplasty (TSA) and reverse TSA have provided an effective treatment for glenohumeral osteoarthritis; however, longevity of the procedure may be limited by osteolysis and polyethylene wear. In TSA, glenoid component failure occurs through several mechanisms, the most common being aseptic loosening and polyethylene wear. Newer bearing surfaces such as highly cross-linked ultra-high-molecular-weight polyethylene, vitamin E processing, ceramic heads, and pyrolytic carbon surfaces have shown improved wear characteristics in biomechanical and some early clinical studies. The purpose of this review is to provide a historical perspective and current state of the art of bearing surface technology in anatomic and reverse TSA.
全肩关节置换术（TSA）和反式 TSA 为肩袖关节炎提供了一种有效的治疗方法；然而，该手术的长期效果可能受到骨溶解和聚乙烯磨损的限制。在 TSA 中，肩胛盂部件的失效通过几种机制发生，最常见的是无菌性松动和聚乙烯磨损。新型的关节面，如高交联超高分子量聚乙烯、维生素 E 处理、陶瓷头和热解碳表面，在生物力学和一些早期临床研究中显示出了改善的磨损特性。本综述的目的是提供解剖型和反式 TSA 中关节面技术的历史背景和最新技术。
