Clinical characteristics and 28-d outcomes of bacterial infections in patients with hepatitis B virus-related acute-on-chronic liver failure |
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Authors: | Chen Li Hai-Bin Su Xiao-Yan Liu Jin-Hua Hu |
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Institution: | Chen Li, Hai-Bin Su, Xiao-Yan Liu, Jin-Hua Hu, Liver Failure Treatment and Research Center, The Fifth Medical Center of Chinese PLA General Hospital, Beijing 100039, China |
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Abstract: | BACKGROUND Acute-on-chronic liver failure (ACLF),which includes hepatic and multiple extrahepatic organ failure,is a severe emergency condition that has high mortality.ACLF can rapidly progress and requires an urgent assessment of condition and referral for liver transplantation.Bacterial infections (BIs) trigger ACLF and play pivotal roles in the deterioration of clinical course.AIM To investigate the clinical characteristics and 28-d outcomes of first Bis either at admission or during hospitalization in patients with hepatitis B virus (HBV)-ACLF as defined by the Chinese Group on the Study of Severe Hepatitis B(COSSH).METHODS A total of 159 patients with HBV-ACLF and 40 patients with acute decompensation of HBV-related chronic liver disease combined with first BIs were selected for a retrospective analysis between October 2014 and March 2016 The characteristics of BIs,the 28-d transplant-free survival rates,and the independent predictors of the 28-d outcomes were evaluated.RESULTS A total of 194 episodes of BIs occurred in 159 patients with HBV-ACLF.Among the episodes,13.4 To were community-acquired,46.4 To were healthcare-associated,and 40.2% belonged to nosocomial BIs.Pneumonia (40.7%),spontaneous bacterial peritonitis (SBP)(34.5%),and bloodstream infection (BSI)(13.4%) were the most prevalent.As the ACLF grade increased,the incidence of SBP showed a downward trend (P=0.021).Sixty-one strains of bacteria,including 83.6% Gramnegative bacteria and 29.5% multidrug-resistant organisms,were cultivated from 50 patients with ACLF.Escherichia coli (44.3%) and Klebsiella pneumoniae (23.0%)were the most common bacteria.As the ACLF grade increased,the 28-d transplant-free survival rates showed a downward trend (ACLF-1,55.7%;ACLF-2,29.3%;ACLF-3,5.4%;P <0.001).The independent predictors of the 28-doutcomes of patients with HBV-ACLF were COSSH-ACLF score (hazard ratioHR]=1.371),acute kidney injury (HR=2.187),BSI (HR=2.339),prothrombin activity (HR=0.967),and invasive catheterization (HR=2.173).CONCLUSION For patients with HBV-ACLF combined with first BIs,pneumonia is the most common form,and the incidence of SBP decreases with increasing ACLF grade.COSSH-ACLF score,acute kidney injury,BSI,prothrombin activity,and invasive catheterization are the independent predictors of 28-d outcomes. |
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Keywords: | Hepatitis B virus Acute-on-chronic liver failure Bacterial infections Outcomes Chronic liver disease Spontaneous bacterial peritonitis |
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