Is postoperative cell salvage necessary in total hip or knee replacement? A meta-analysis of randomized controlled trials

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Abstract

Objective: The purpose of this study was to determine whether there are hematological or clinical differences with the use of postoperative cell salvage after total knee (TKR) and hip replacement (THR). Methods: A systematic literature review based on PubMed, EMBASE, the Cochrane Library Database in any language regarding postoperative cell salvage following TKR or THR was performed. High quality of randomized controlled trials were identified. The data was analyzed using Rev Man 5.2. Results: 19 randomized controlled trials (12 in TKR, 4 in THR and 3 in both) about 3482 patients were identified and included in this meta-analysis. Postoperative cell salvage significantly reduced the allogeneic blood transfusion requirement after TKR (RR = 0.46, 95% CI = 0.30 to 0.72) and THR (RR = 0.46, 95%CI = 0.32 to 0.68). It also demonstrated a higher level of postoperative Hemoglobin (MD = 0.26 g/dL, 95%CI = 0.15 to 0.37) with the use of postoperative cell salvage. No significant differences were detected regarding length of hospital stay, the incidence of febrile reaction, wound infection and deep vein thrombosis. Conclusion: The results strengthen the fact that postoperative cell salvage is effective and safe to reduce the rate of transfusion after TKR and THR. As the relatively poor methodological quality and heterogeneity, further research is needed to confirm its safety and cost-effectiveness.

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Xie, J., Feng, X., Ma, J., Kang, P., Shen, B., Yang, J., … Pei, F. (2015, September 1). Is postoperative cell salvage necessary in total hip or knee replacement? A meta-analysis of randomized controlled trials. International Journal of Surgery. Elsevier Ltd. https://doi.org/10.1016/j.ijsu.2015.07.700

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