Kumagai Kosuke, Kubo Mitsuhiko, Maeda Tsutomu, Araki Susumu, Shioji Suguru, Okumura Noriaki, Fujikawa Hitomi, Kawasaki Taku, Imai Shinji, Matsusue Yoshitaka
Department of Orthopaedic Surgery, Shiga University of Medical Science, Otsu, Shiga, Japan; Department of Musculoskeletal Biology, Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, UK.
Department of Orthopaedic Surgery, Shiga University of Medical Science, Otsu, Shiga, Japan.
Arthroplast Today. 2016 Nov 4;3(1):25-28. doi: 10.1016/j.artd.2016.10.001. eCollection 2017 Mar.
Prolonged dislocation of the patella is a rare condition and is often related to severe osteoarthritis (OA) of the femorotibial (FT) joint. For this condition's treatment, numerous surgical techniques using total knee arthroplasty (TKA) have been published. To the best of our knowledge, this case report is the first description of the use of lateral release alone to treat recurrent patellar subluxation with TKA. An interesting point in this case is that the patient had a good recovery after TKA in spite of quite a long-term (a duration of almost 55 years) dislocation of her patella and development of secondary OA. We describe a case that we treated by TKA for FT-OA with a prolonged patellar dislocation. We were able to obtain good patellar reduction without additional surgery by performing adequate lateral release of the patellar retinaculum. This clinical case indicates the usefulness of lateral patellar retinaculum release for obtaining stable patellar tracking in TKA for FT-OA with remaining lateral patellar dislocation. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
髌骨长期脱位是一种罕见病症，常与股胫（FT）关节的严重骨关节炎（OA）相关。针对这种病症的治疗，已发表了众多采用全膝关节置换术（TKA）的手术技术。据我们所知，本病例报告是首次描述单独使用外侧松解术联合TKA治疗复发性髌骨半脱位。该病例的一个有趣之处在于，尽管患者髌骨长期（近55年）脱位并继发OA，但TKA术后恢复良好。我们描述了一例通过TKA治疗伴有长期髌骨脱位的FT - OA的病例。通过对髌支持带进行充分的外侧松解，我们在未进行额外手术的情况下实现了髌骨的良好复位。该临床病例表明，对于伴有外侧髌骨残留脱位的FT - OA，在TKA中进行外侧髌支持带松解对于获得稳定的髌骨轨迹是有用的。本文是一篇遵循CC BY - NC - ND许可协议（http://creativecommons.org/licenses/by-nc-nd/4.0/）的开放获取文章。
