• Yong Deok Kim, Nicole Cho, Sueen Sohn, Seokjae Park, Hwang Yong You, and In Jun Koh.
• Joint Replacement Center, Eunpyeong St. Mary's Hospital, Seoul, 03312, Republic of Korea.
• Arch Orthop Trauma Surg. 2024 Dec 12; 145 (1): 1818.

IntroductionWith the advancement of porous surface processing technology, cementless total knee arthroplasty (TKA) has once again garnered attention. Cementless TKA lacks cement sealing, raising concerns regarding potential blood loss. Recently, patient blood management (PBM) protocols have been introduced to mitigate postoperative blood loss and transfusions. In this systematic review, we aimed to address whether cementless TKA leads to increased blood loss and transfusion rates as compared with cemented TKA. Additionally, we explored the impact of contemporary PBM protocols on post-TKA hemodynamics.MethodsThis systematic review included prospective randomized trials and retrospective studies that compared blood loss and PBM between cementless and cemented TKA. A comprehensive literature search for publications from 1980 onwards was conducted using databases such as PubMed, MEDLINE, and EMBASE. Furthermore, we conducted a thorough examination of the bibliographies of all relevant articles that were retrieved. Studies that met our inclusion criteria were assessed carefully for pertinent data. This systematic review followed the Preferred Reporting Items for Systematic Re-views and Meta-Analyses (PRISMA) statement and was registered in the PROSPERO register (CRD42024507236).ResultsA total of twelve studies were included in this study. Among these, six papers reported lower blood loss in cemented TKA, while the other six papers found no significant difference in perioperative blood loss between the two groups. From the perspective of PBM, seven studies applied PBM protocols including systematic and topical tranexamic acid, autogenous transfusion, strict transfusion threshold and drain clamping, while the remaining five studies did not. If PBM protocols were implemented, no significant difference in blood loss was observed based on the implant fixation method.ConclusionIn the context of recent studies implementing PBM protocols, the choice of implant fixation method appears to have no relevant impact on post-TKA blood loss. Nevertheless, it is important to note that the reporting of outcomes and PBM protocols exhibit considerable variation and heterogeneity.© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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