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Background & Aims: Antibiotic prophylaxis reduces the risk of infection and mortality in patients with cirrhosis and acute variceal bleeding (AVB). This study examines the incidence of, and risk factors for, bacterial infections during hospitalization in patients with AVB on antibiotic prophylaxis., Methods: A post hoc analysis was performed using the database of an international, multicenter, observational study designed to examine the role of pre-emptive transjugular intrahepatic portosystemic shunts in patients with cirrhosis and AVB. Data were collected on patients with cirrhosis hospitalized for AVB (n = 2,138) from a prospective cohort (October 2013-May 2015) at 34 referral centers, and a retrospective cohort (October 2011-September 2013) at 19 of these centers. The primary outcome was incidence of bacterial infection during hospitalization., Results: A total of 1,656 patients out of 1,770 (93.6%) received antibiotic prophylaxis; third-generation cephalosporins (76.2%) and quinolones (19.0%) were used most frequently. Of the patients on antibiotic prophylaxis, 320 patients developed bacterial infection during hospitalization. Respiratory infection accounted for 43.6% of infections and for 49.7% of infected patients, and occurred early after admission (median 3 days, IQR 1-6). On multivariate analysis, respiratory infection was independently associated with Child-Pugh C (odds ratio [OR] 3.1; 95% CI 1.4-6.7), grade III-IV encephalopathy (OR 2.8; 95% CI 1.8-4.4), orotracheal intubation for endoscopy (OR 2.6; 95% CI 1.8-3.8), nasogastric tube placement (OR 1.7; 95% CI 1.2-2.4) or esophageal balloon tamponade (OR 2.4; 95% CI 1.2-4.9)., Conclusion: Bacterial infections develop in almost one-fifth of patients with AVB despite antibiotic prophylaxis. Respiratory infection is the most frequent, is an early event after admission, and is associated with advanced liver failure, severe hepatic encephalopathy and use of nasogastric tube, orotracheal intubation for endoscopy or esophageal balloon tamponade., Lay Summary: Bacterial infections develop during hospitalization in close to 20% of patients with acute variceal bleeding despite antibiotic prophylaxis. Respiratory bacterial infections are the most frequent and occur early after admission. Respiratory infection is associated with advanced liver disease, severe hepatic encephalopathy and a need for a nasogastric tube, orotracheal intubation for endoscopy or esophageal balloon tamponade., Competing Interests: Conflicts of interest Juan Carlos Garcia-Pagan has consultant fees for GORE, Shionogi and Cook grants from GORE and Novartis. Álvaro Giráldez has served as speaker for Gore. Please refer to the accompanying ICMJE disclosure forms for further details., (Copyright © 2021 European Association for the Study of the Liver. Published by Elsevier B.V. All rights reserved.)

Background & Aims: The relationship between acute-on-chronic liver failure (ACLF) and acute variceal bleeding (AVB) is poorly understood. Specifically, the prevalence and prognosis of ACLF in the context of AVB is unclear, while the role of transjugular intrahepatic portosystemic shunt (TIPS) in the management in patients with ACLF has not been described to date., Methods: A multicenter, international, observational study was conducted in 2,138 patients from 34 centers between 2011 and 2015. ACLF was defined and graded according to the EASL-CLIF consortium definition. Placement of pre-emptive TIPS (pTIPS) was based on individual center policy. Patients were followed-up for 1 year, until death or liver transplantation. Cox regression and competing risk models (Gray's test) were used to identify independent predictors of rebleeding or mortality., Results: At admission, 380/2,138 (17.8%) patients had ACLF according to EASL-CLIF criteria (grade 1: 38.7%; grade 2: 39.2%; grade 3: 22.1%). The 42-day rebleeding (19% vs. 10%; p <0.001) and mortality (47% vs. 10%; p <0.001) rates were higher in patients with ACLF and increased with ACLF grades. Of note, the presence of ACLF was independently associated with rebleeding and mortality. pTIPS placement improved survival in patients with ACLF at 42 days and 1 year. This effect was also observed in propensity score matching analysis of 66 patients with ACLF, of whom 44 received pTIPs and 22 did not., Conclusions: This large multicenter international real-life study identified ACLF at admission as an independent predictor of rebleeding and mortality in patients with AVB. Moreover, pTIPS was associated with improved survival in patients with ACLF and AVB., Lay Summary: Acute variceal bleeding is a deadly complication of liver cirrhosis that results from severe portal hypertension. This study demonstrates that the presence of acute-on-chronic liver failure (ACLF) is the strongest predictor of mortality in patients with acute variceal bleeding. Importantly, patients with ACLF and acute variceal (re)bleeding benefit from pre-emptive (early) placement of a transjugular intrahepatic portosystemic shunt., Competing Interests: Conflict of interest Christophe Bureau has received speaker fees from GORE and is a board member of Alfawassemran/Norgine. Virginia Hernández - Gea, Álvaro Giráldez, Jaume Bosch, Agustin Albillos, Dominique Thabut, Michael Praktiknjo and Frederik Nevens have received speaker fees from GORE. Juan Carlos Garcia – Pagan has received consultant fees from GORE, Shionogi and Cook grants from GORE and Novartis. Jonel Trebicka has received speaking and/or consulting fees from GORE, Bayer, Alexion, MSD, Gilead, Intercept, Norgine, Grifols, Versantis, and Martin Pharmaceutical, and Rafael Bañares has received speaker fees from GORE and Grifols, unrelated to the submitted work. Please refer to the accompanying ICMJE disclosure forms for further details., (Copyright © 2020 European Association for the Study of the Liver. Published by Elsevier B.V. All rights reserved.)

Background & Aims: 30-40% of portal vein thrombosis (PVT) remains of unknown origin. An association between metabolic syndrome (MetS) and peripheral vein thrombosis has been reported but not with PVT, to date. The aim of this study was to investigate the association between MetS and PVT., Methods: Between 2003 and 2014, all consecutive patients with non-cirrhotic PVT were prospectively included. Patient's characteristics and risks factors were recorded at the time of inclusion. Controls were selected by random in the general population and were matched 1/1 according to age and sex., Results: Seventy-nine patients with PVT were included: 40 present with at least one risk factor for PVT (SPVT) and 39 were found to be idiopathic (IPVT). The prevalence of MetS was 25.6% in SPVT group vs. 47.4% in IPVT group and 17.9% in controls from the general population (C-IPVT: p=0.01). The waist circumference and body mass index were higher in the IPVT group than in the SPVT group (105 vs. 93cm, p=0.004 and 29.4 vs. 25.0kg/m(2), p=0.004) and in the C-IPVT group (105 vs. 92cm, p=0.001 and 29.4 vs. 25.8kg/m(2), p=0.003). Overweight was observed in 82.0% of patients in the IPVT group vs. 44% in the SPVT group (p=0.002) and 51% in the C-IPVT group (p=0.01). The mean visceral fat area was higher in IPVT than in SPVT (18,223mm(2)vs. 12,690mm(2), p=0.02). In multivariate analyses, an increase in waist circumference was the strongest parameter associated with idiopathic PVT., Conclusion: Central obesity is associated with PVT and could become one of the main risk factors for digestive thromboses., (Copyright © 2015 European Association for the Study of the Liver. Published by Elsevier B.V. All rights reserved.)

Background & Aims: The prognosis of patients with chronic liver disease is to a great extent determined by the presence and degree of portal hypertension (PHT). Hepatic venous pressure gradient (HVPG) has been shown to be an accurate prognostic index in patients with cirrhosis. Transient elastography is a non-invasive procedure that assesses liver fibrosis through the measurement of liver stiffness (LS). In several reports, LS was found to be correlated with HVPG. LS could therefore be useful to identify patients with significant PHT. The aim of the present study was to prospectively assess and to compare the prognostic performances of LS and HVPG in patients with chronic liver disease., Methods: One hundred patients with chronic liver disease underwent LS and HVPG measurements on the same day. Patients were thereafter followed-up for 2 years or until they experienced a complication related to their liver disease., Results: Within the two-year follow-up, 41 patients developed, at least, one liver disease related complication. The performances of HVPG and LS for predicting the occurrence of these complications were not significantly different: AUROC 0.815 [0.727-0.903] and 0.837 [0.754-0.920], respectively. When considering only complications related to PHT, both methods were found to be similarly accurate: AUROC 0.830 [0.751-0.910] and 0.845 [0.767-0.823], for HVPG and LS, respectively. When patients were divided in two groups according to a LS value below or above 21.1kPa, actuarial rates of remaining free of any complication at 2 years were 85.4% vs. 29.5%, respectively. When only PHT related complications were considered, these rates were 100% vs. 47.5%, respectively. The performances of LS and HVPG were also similar in the subgroup of 65 patients with cirrhosis., Conclusions: LS proved as effective as HVPG in predicting clinical decompensation and PHT related complications in patients with chronic liver disease. Therefore, LS could be a valuable clinical tool to avoid invasive procedures., (Copyright © 2011 European Association for the Study of the Liver. Published by Elsevier B.V. All rights reserved.)