• Nutrition · Sep 2020

    Preoperative abnormal body composition is closely related to bacteremia after living donor liver transplantation.

    • Naoko Kamo, Toshimi Kaido, Yosuke Miyachi, Sena Iwamura, Siyuan Yao, Hisaya Shirai, Shintaro Yagi, and Shinji Uemoto.
    • Division of Hepato-Biliary-Pancreatic and Transplant Surgery, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
    • Nutrition. 2020 Sep 1; 77: 110798.

    ObjectiveInfection is the most critical cause of early death after liver transplantation (LT). However, the effect of preoperative body composition on bacteremia after LT is unclear. The aim of this study was to examine the effects of preoperative body composition on bacteremia after living donor LT (LDLT).MethodsThe study comprised 277 patients who underwent LDLT at Kyoto University, Kyoto, Japan, between January 2008 and June 2016. We evaluated body composition parameters including skeletal muscle mass index (SMI), intramuscular adipose tissue content (IMAC), and visceral-to-subcutaneous adipose tissue area ratio (VSR) using preoperative plain computed tomography at the L3 level. We compared the incidence of bacteremia, species, period of antibiotic administration, mortality due to bacteremia, and survival rates according to the number of abnormal body composition factors (low SMI, high IMAC, and high VSR). Moreover, risk factors for post-transplant bacteremia were examined.ResultsIncidence of bacteremia was significantly higher in patients with three abnormal factors (47.1%), two factors (42%), or a single factor (37%) than in patients with no factors (22.5%; P = 0.027). Species of bacteremia did not differ significantly among the four groups. The period of antibiotic administration was significantly shorter (P = 0.039) and mortality of patients with bacteremia and survival rates were significantly better (P < 0.001, each) in patients with no factors. Multivariate analysis identified ABO incompatibility (P = 0.002) and low SMI (P = 0.045) as independent risk factors for bacteremia after LT.ConclusionPreoperative abnormal body composition was closely related to bacteremia after LDLT.Copyright © 2020 Elsevier Inc. All rights reserved.

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