Changes in surgical site infections after living donor liver transplantation

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Abstract

© 2015 Yamamoto et al. Surgical site infections (SSIs) are a major threat for liver transplant recipients. We prospectively studied SSIs after living donor liver transplantation (LDLT) at Kyoto University Hospital from April 2001 to March 2002 (1 st period) and from January 2011 to June 2012 (2 nd period). We investigated the epidemiology of SSIs after LDLT and determined the differences between the two periods. A total of 129 adult recipients (66 during the 1 st period and 63 during the 2 nd period) and 72 pediatric recipients (39 and 33) were included in this study. The SSI rates for each period were 30.3% (1 st period) and 41.3% (2 nd period) among the adult recipients and 25.6% and 30.3% among the pediatric recipients. The overall rates of 30-day mortality among adult transplant recipients with SSIs were 10.0% (1 st period) and 3.9% (2 nd period). No pediatric recipient died from SSIs after LDLT in either period. The incidence of Enterococcus faecium increased from 5.0% to 26.9% in the adults and from 10.0% to 40.0% in the pediatric patients. Extended-spectrum p-lactamase-producing Enterobacteriaceae were emerging important isolates during the 2 nd period. For this period, a univariate analysis showed that ABO incompatibility (P = 0.02), total operation duration (P = 0.01), graft-to-recipient body weight ratio (GRWR [P = 0.04]), and Roux-en-Y biliary reconstruction (P < 0.01) in the adults and age (P = 0.01) and NHSN risk index (P = 0.02) in the children were associated with SSI development. In a multivariate analysis, lower GRWR (P = 0.02) and Roux-en-Y biliary reconstruction (P < 0.01) in the adults and older age (P = 0.01) in the children were independent risk factors for SSIs during the 2 nd period. In conclusion, SSIs caused by antibiotic resistant bacteria may become a major concern. Lower GRWR and Roux-en-Y biliary reconstruction among adult LDLT recipients and older age among pediatric LDLT recipients increased the risk of developing SSIs after LDLT. Copyright:

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Yamamoto, M., Takakura, S., Iinuma, Y., Hotta, G., Matsumura, Y., Matsushima, A., … Ichiyama, S. (2015). Changes in surgical site infections after living donor liver transplantation. PLoS ONE, 10(8). https://doi.org/10.1371/journal.pone.0136559

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