Infection deteriorating hepatitis B virus related acute-on-chronic liver failure: a retrospective cohort study
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RESEARCH ARTICLE
Open Access
Infection deteriorating hepatitis B virus related acute-on-chronic liver failure: a retrospective cohort study Xing-Ran Zhai1, Jing-Jing Tong2,3, Hong-Min Wang1, Xiang Xu2, Xiu-Ying Mu1, Jing Chen2,3, Zi-Feng Liu3, Yu Wang3, Hai-Bin Su2* and Jin-Hua Hu1,2,3*
Abstract Background: Infection is common in acute-on-chronic liver failure (ACLF), which may worsen the clinical condition and prognosis. However, the characteristics of infection and its influence on prognosis in hepatitis B virus related ACLF (HBV-ACLF) as defined by the European Association for the Study of the Liver (EASL) have not been clarified. We aimed to investigate the characteristics of infection and its influence on mortality in patients with HBV-ACLF defined by EASL in China. Methods: We performed a retrospective cohort study in patients with HBV-ACLF defined by EASL in a single center from January 2015 to December 2017. These patients were divided into two groups with and without infection. The incidence, sites of infection, isolated strains, and risk factors associated with mortality were evaluated. Results: A total of 289 patients were included, among them 185 (64.0%) were diagnosed with an infection. The most common type of infection was pneumonia (55.7%), followed by spontaneous bacterial peritonitis (47.6%) and others. The gram-negative bacteria were the most frequent (58.3%). Patients with one, two, and three or more infection sites had a gradually increasing incidence of sepsis (P < 0.01), septic shock (P < 0.001), and ACLF-3 (P < 0.05). Also, patients with infection isolated one, two, and three or more strains showed a growing incidence of sepsis (P < 0.01) and septic shock (P < 0.001). Patients with infection showed a significantly higher 28-day mortality than those without (P < 0.01), especially in patients with ACLF-3. Infection was identified as an independent risk factor for 28-day mortality in all HBV-ACLF patients. Pneumonia and sepsis were identified as independent predictors of 28-day mortality for patients with infection. Conclusions: Infection is associated with severe clinical course and high mortality in HBV-ACLF defined by EASL. The increased number of infection sites or isolated strains was associated with the occurrence of sepsis and septic shock. Pneumonia and sepsis were independent predictors for mortality in HBV-ACLF patients with infection. Keywords: Acute-on-chronic liver failure, Hepatitis B virus, Infections, Prognosis
* Correspondence: [email protected]; [email protected] 2 Liver Failure Treatment and Research Center, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China 1 Peking University 302 Clinical Medical School, Beijing, China Full list of author information is available at the end of the article © The Author(s). 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to t
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