• Annals of surgery · Feb 2018

    Perioperative Fresh Red Blood Cell Transfusion May Negatively Affect Recipient Survival After Liver Transplantation.

    • Sangbin Han, Ji Hye Kwon, Sun Hee Jung, Ji Young Seo, Yong Jun Jo, Jin Sung Jang, Seung Min Yeon, Sin Ho Jung, Justin Sangwook Ko, Mi Sook Gwak, Duck Cho, Hee Jeong Son, and Gaab Soo Kim.
    • Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
    • Ann. Surg. 2018 Feb 1; 267 (2): 346-351.

    ObjectiveThe aim of this study is to evaluate the association between fresh red blood cell (RBC) transfusion and recipient survival after liver transplantation.BackgroundFresh RBC products contain many viable leukocytes. Allogeneic leukocytes are responsible for adverse transfusion reactions in the immunocompromised host.MethodsAmong 343 liver transplant recipients who underwent perioperative RBC transfusion, 91 of 226 who did not receive fresh RBCs were matched with 91 of 117 who received fresh RBCs with 1:1 matching ratio using the propensity score based on the amount of transfused blood products and others. Survival analysis was performed using the Cox model.ResultsAll transfused 3230 RBCs were leukoreduced and irradiated. Before matching, recipients in fresh RBC group received 3 U (2-6 U) of fresh RBCs. After a median follow-up of 60 months, 60 of 343 recipients (17.5%) died. Survival probability at 1/2/5 years after transplantation was 94.7%/92.0%/85.8% for nonfresh RBC group and 82.9%/76.0%/72.0% for fresh RBC group [death hazard ratio (HR) = 2.37 (1.43-3.94), P = 0.001]. In multivariable analysis, fresh RBC transfusion was significantly associated with increased death risk [HR = 2.33 (1.35-4.01), P = 0.002]. After matching, recipients in fresh RBC group received 3 U (2-5 U) of fresh RBCs. After a median follow-up of 56 months, 35 of 182 recipients (19.2%) died. Survival probability at 1/2/5 years was 95.6%/93.2%/86.0% for nonfresh RBC group and 85.7%/78.0%/73.0% for fresh RBC group [HR = 2.23 (1.43-3.94), P = 0.028]. Multivariable analysis confirmed a significance of fresh RBC transfusion [HR = 3.20 (1.51-6.78), P = 0.002].ConclusionOur findings suggest a potential negative impact of fresh RBC transfusion on the survival of patients undergoing liver transplantation.

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