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Rifaximin discontinuation during broad-spectrum antibiotic treatment in critically ill patients with hepatic encephalopathy.
Hepatic encephalopathy (HE) is one of the main complications of cirrhosis, characterized by a wide spectrum of neuropsychiatric alterations that lead to an increase in mortality, morbidity and recurrent hospitalizations. Due to the central role in HE pathogenesis of ammonia and other neurotoxins primarily produced by the gut microbiota, the main therapeutic approaches for the treatment of HE are based on the modulation of the gut microbiota. Rifaximin is a non-absorbable broad-spectrum antibiotic, that is effective against ammonia-producing gram-positive, gram-negative, and anaerobic species, approved for the treatment of HE in secondary prophylaxis. The chronic administration of rifaximin in this setting is associated with a lower risk of HE recurrence and mortality, while the role of rifaximin for the treatment of an overt-HE episode in inpatients is still unclear. Limited data exist about the coadministration of rifaximin and broad-spectrum antibiotics commonly used to treat concomitant infections, as patients receiving or recently treated with antibiotics were frequently excluded from clinical trials. In this editorial we comment on the article by Ward et al published in the recent issue of the World Journal of Hepatology. It is a single center, retrospective, quasi-experimental, pharmacist-driven protocol, with the aim to evaluate the feasibility and safety of rifaximin discontinuation in critically ill patients with HE and chronic liver disease receiving broad-spectrum antibiotic therapies in intensive care units. The study revealed no differences between the protocol and control group in terms of primary outcome (days alive and free of delirium and coma to day 14) and secondary outcomes which include: Intensive care mortality, intensive care length of stay, intravenous vasopressor requirement changes and adverse effects rate. Therefore, rifaximin discontinuation during broad-spectrum antibiotic therapy does not appear to negatively impact the clinical status of critically ill liver patients, with a similar safety profile and significant cost savings, as compared to the coadministration of rifaximin and broad-spectrum antibiotics. In agreement with Ward et al, a recently published double-blind, randomized controlled trial provided additional evidence to support the feasibility of withholding rifaximin during broad-spectrum antibiotic therapy in critically ill cirrhotic patients. However, given the limitations of these studies, further multicentric and prospective clinical trials, enrolling a larger sample of non-critically ill patients, are needed to better establish the role of rifaximin in this setting.
被引量：- 发表：2024
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Acute liver failure: A clinically severe syndrome characterized by intricate mechanisms.
Acute liver failure presents as a clinical syndrome characterized by swift deterioration and significant mortality rates. Its underlying mechanisms are intricate, involving intricate interplays between various cells. Given the current scarcity of treatment options, there's a pressing need to diligently uncover the disease's core mechanisms and administer targeted therapies accordingly.
被引量：- 发表：2024
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Chronic hepatitis B virus infection in Eastern Ethiopia: Clinical characteristics and determinants of cirrhosis.
Chronic hepatitis B (CHB) virus infection is a major cause of liver-associated morbidity and mortality, particularly in low-income countries. A better understanding of the epidemiological, clinical, and virological characteristics of CHB will guide appropriate treatment strategies and improve the control and management of CHB in Ethiopia. To investigate the characteristics of CHB in Eastern Ethiopia and assess the efficacy and safety of antiviral treatment. This cohort study included 193 adults who were human immunodeficiency virus-negative with CHB between June 2016 and December 2019. Baseline assessments included chemistry, serologic, and viral markers. χ 2 tests, Mann-Whitney U tests, and logistic regression analyses were used to identify the determinants of cirrhosis. Tenofovir disoproxil fumarate (TDF) was initiated using treatment criteria from the Ethiopian CHB pilot program. A total of 132 patients (68.4%) were men, with a median age of 30 years [interquartile range (IQR): 24-38]. At enrollment, 60 (31.1%) patients had cirrhosis, of whom 35 (58.3%) had decompensated cirrhosis. Khat use, hepatitis B envelope antigen positivity, and a high viral load were independently associated with cirrhosis. Additionally, 66 patients (33.4%) fulfilled the treatment criteria and 59 (30.6%) started TDF. Among 29 patients who completed 24 months of treatment, the median aspartate aminotransferase to platelet ratio index declined from 1.54 (IQR: 0.66-2.91) to 1.10 (IQR: 0.75-2.53) (P = 0.002), and viral suppression was achieved in 80.9% and 100% of patients after 12 months and 24 months of treatment, respectively. Among the treated patients, 12 (20.3%) died within the first 6 months of treatment, of whom 8 had decompensated cirrhosis. This study highlights the high prevalence of cirrhosis, initial mortality, and the efficacy of TDF treatment. Scaling up measures to prevent and control CHB infections in Ethiopia is crucial.
被引量：1 发表：2024
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Immunoprophylaxis failure and vaccine response in infants born to mothers with chronic hepatitis B infection in Djibouti.
In endemic areas, vertical transmission of hepatitis B virus (HBV) remains a major source of the global reservoir of infected people. Eliminating mother-to-child transmission (MTCT) of HBV is at the heart of World Health Organization's goal of reducing the incidence of HBV in children to less than 0.1% by 2030. Universal screening for hepatitis B during pregnancy and neonatal vaccination are the main preventive measures. To evaluate the efficacy of HBV vaccination combined with one dose of immunoglobulin in children born to hepatitis B surface antigen (HBsAg)-positive mothers in Djibouti city. We conducted a study in a prospective cohort of HBsAg-positive pregnant women and their infants. The study ran from January 2021 to May 2022, and infants were followed up to 7 mo of age. HBV serological markers and viral load in pregnant women were measured using aVidas microparticle enzyme-linked immunosorbent assay (Biomérieux, Paris, France) and the automated Amplix platform (Biosynex, Strasbourg, France). All infants received hepatitis B immunoglobulin and were vaccinated against HBV at birth. These infants were closely monitored to assess their seroprotective response and for failure of immunoprophylaxis. Simple logistic regression was also used to identify risk factors associated with immunoprophylaxis failure and poor vaccine response. All statistical analyses were performed with version 4.0.1 of the R software. Of the 50 pregnant women recruited, the median age was 31 years, ranging from 18 years to 41 years. The MTCT rate in this cohort was 4% (2/50) in HBsAg-positive women and 67% (2/3) in hepatitis B e antigen-positive women with a viral load > 200000 IU/mL. Of the 48 infants who did not fail immunoprophylaxis, 8 (16%) became poor responders (anti-HB < 100 mIU/mL) after HBV vaccination and hepatitis B immunoglobulin, while 40 (84%) infants achieved a good level of seroprotection (anti-HB > 100 mIU/mL). Factors associated with this failure of immunoprophylaxis were maternal HBV DNA levels (> 200000 IU/mL) and hepatitis B e antigen-positive status (odds ratio = 158, 95% confidence interval: 5.05-4958, P < 0.01). Birth weight < 2500 g was associated with a poor immune response to vaccination (odds ratio = 34, 95% confidence interval: 3.01-383.86, P < 0.01). Despite a failure rate of immunoprophylaxis higher than the World Health Organization target, this study showed that the combination of immunoglobulin and HBV vaccine was effective in preventing MTCT of HBV. Therefore, further studies are needed to better understand the challenges associated with immunoprophylaxis failure in infants in Djibouti city.
被引量：- 发表：2024
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Interleukin-mediated therapies in liver diseases and comorbidity effects.
Cytokines like interleukins (ILs) play important roles in inflammation and innate immune. Yang and Zhang carried out an interesting study related to ILs and hepatic diseases. They described the role of ILs in the pathogenesis and resolution of hepatic disorders. The authors summarized alcohol-related liver disease and virus-induced hepatitis, as far as clinical studies a fortiori carried out on IL-mediated treatments pertaining to these dysfunctions. This editorial contributes to the review by Yang and Zhang titled, "Interleukins in liver disease treatment", and focuses on therapies mediated by ILs in comorbid liver diseases. The documentary search was conducted on recent pertinent literature, primarily using the Google Scholar and PubMed databases.
被引量：- 发表：2024
