• Arch Orthop Trauma Surg · Sep 2023

    No higher tibial post fracture rate with highly cross-linked polyethylene inserts in total knee arthroplasty at a minimum 10-year follow-up.

    • Ji-Hoon Baek, Su Chan Lee, Suengryol Ryu, Hye Sun Ahn, and Chang Hyun Nam.
    • Joint and Arthritis Research, Department of Orthopaedic Surgery, Himchan Hospital, 120, Sinmok-Ro, Yangcheon-Gu, Seoul, Republic of Korea.
    • Arch Orthop Trauma Surg. 2023 Sep 1; 143 (9): 580758135807-5813.

    PurposeThe purpose of this study was to assess tibial post fracture between highly cross-linked polyethylene (HXPE) and conventional polyethylene inserts in consecutive posterior-stabilized (PS) total knee arthroplasty (TKA) over a minimum 10-years follow-up period.MethodsBetween July 2008 and December 2011, a consecutive series of 3264 primary TKAs was performed in 2098 patients using a PS total knee prosthesis at a single institution. The final cohort was classified into the HXPE group (792 cases) and the conventional group (2113 cases) according to insert material used during the procedure.ResultsThe mean follow-up period was 11.4 years in the HXPE group and 11.8 years in the conventional group. Both cases of tibial post fracture occurred in the HXPE group, a complication rate of 0.25%. These two cases required replacement with a thicker tibial insert with retention of the femoral and tibial components. There were no cases of tibial post fracture in the conventional group.ConclusionThere was no difference in tibial post fracture rate between the HXPE group and the conventional group in PS TKA on long-term follow-up.Level Of EvidenceIV.© 2023. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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