Comparable mid-term revision rates of primary cemented and cementless total knee arthroplasties in 201,211 cases in the
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Comparable mid‑term revision rates of primary cemented and cementless total knee arthroplasties in 201,211 cases in the Dutch Arthroplasty Register (2007–2017) Casper R. Quispel1,3 · Tijs Duivenvoorden2 · Stefan R. Beekhuizen1 · Hennie Verburg2 · Anneke Spekenbrink‑Spooren4 · Liza N. Van Steenbergen4 · Jantsje H. Pasma1 · Ruud De Ridder3 Received: 21 February 2020 / Accepted: 23 July 2020 © European Society of Sports Traumatology, Knee Surgery, Arthroscopy (ESSKA) 2020
Abstract Purpose Long-term failure of total knee arthroplasty (TKA) is mostly due to loosening of the prosthesis. In this study, the short- and mid-term revision rates of cemented vs cementless TKAs were investigated. Comparable short- and mid-term survival rates of both fixation methods were expected. Methods Data on all cemented and cementless TKAs performed between 2007 and 2017 were retrieved from the Dutch Arthroplasty Register. The cumulative crude incidence of revision of cemented and cementless TKA was calculated. Death was considered a competing risk. Revision rates were compared using multivariable Cox proportional hazard regression analysis. The associations between fixation method and type of revision or reason for revision were tested using logistic regression analyses. Results In total, 190,651 (94.8%) cemented and 10,560 (5.3%) cementless TKAs were evaluated. Both groups had comparable case characteristics. Cemented TKAs were inserted more often in cases with previous knee surgery compared to cementless TKAs (32% vs 27%). The cumulative incidence of revision after 9 years was 5.5% (CI 5.3–5.6%) for cemented and 5.8% (CI 5.2–6.4%) for cementless TKAs (p = 0.2). Cementless TKAs were more often revised due to loosening of the tibial (27% vs 18%; p
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