Publications by authors named "Andrew Aronsohn"

Background And Aims: The intestinal microbiome produces metabolites, including short chain fatty acids (SCFAs) and secondary bile acids (BAs), that impact host physiology. Loss of intestinal microbiome diversity is associated with cirrhosis progression, but the impact of microbiome-associated metabolites on liver disease remains largely undefined. We aimed to correlate fecal metabolite concentrations with the severity and progression of liver disease.

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We developed a Project ECHO® module to offer prenatal providers training on engaging in shared decision-making about hepatitis C virus (HCV) treatment during pregnancy. In this pilot program, the ECHO module addressing HCV during pregnancy and the potential benefits of treatment was associated with increases in self-efficacy scores among participants.

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Article Synopsis
  • Organ allocation for non-US citizen, non-US resident transplant patients is debated in the U.S., with a lack of data on stakeholder views.
  • A survey conducted at an urban transplant institute included responses from 209 providers and 119 patients, revealing varied awareness of eligibility for organ transplantation.
  • While most patients favor eligibility for non-US citizen transplants, providers prioritize legal statuses differently, indicating a need for more comprehensive research to inform policy.
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Liver transplantation is lifesaving for patients with end-stage liver disease. Similar to the role of transplantation for patients with end-stage liver disease, gender-affirming hormone therapy (GAHT) can be lifesaving for transgender and gender diverse (TGGD) patients who experience gender dysphoria. However, management of such hormone therapy during the perioperative period is unknown and without clear guidelines.

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Metabolites produced by the intestinal microbiome modulate mucosal immune defenses and optimize epithelial barrier function. Intestinal dysbiosis, including loss of intestinal microbiome diversity and expansion of antibiotic-resistant pathobionts, is accompanied by changes in fecal metabolite concentrations and increased incidence of systemic infection. Laboratory tests that quantify intestinal dysbiosis, however, have yet to be incorporated into clinical practice.

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Progression of chronic liver disease is precipitated by hepatocyte loss, inflammation and fibrosis. This process results in the loss of critical hepatic functions, increasing morbidity and the risk of infection. Medical interventions that treat complications of hepatic failure, including antibiotic administration for systemic infections and lactulose treatment for hepatic encephalopathy, can impact gut microbiome composition and metabolite production.

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The Infectious Diseases Society of America and the American Association for the Study of Liver Diseases have collaboratively developed evidence-based guidance regarding the diagnosis, management, and treatment of hepatitis C virus (HCV) infection since 2013. A panel of clinicians and investigators with extensive infectious diseases or hepatology expertise specific to HCV infection periodically review evidence from the field and update existing recommendations or introduce new recommendations as evidence warrants. This update focuses on changes to the guidance since the previous 2020 published update, including ongoing emphasis on recommended universal screening; management recommendations for incomplete treatment adherence; expanded eligibility for simplified chronic HCV infection treatment in adults with minimal monitoring; updated treatment and retreatment recommendations for children as young as 3 years old; management and treatment recommendations in the transplantation setting; and screening, treatment, and management recommendations for unique and key populations.

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Introduction: Little is known about the potential changes in the dispensation of life-saving hepatitis C virus (HCV) and HIV antivirals after the initial U.S. outbreak of COVID-19.

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We previously created a mandatory, inpatient, hepatology resident curriculum that immediately improved comfort, knowledge, and career interest in chronic liver disease (CLD). The durability of these effects needs to be known to use this intervention to address the hepatologist shortage. Thus, we aimed to assess this curriculum's long-term outcomes on internal medicine (IM) residents' CLD comfort, knowledge, and career interest.

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Unlabelled: The 2013 HIV Organ Policy Equity Act has increased liver transplantation (LT) in HIV patients; however, transplant centers may remain reluctant to perform LT in HIV/hepatitis C virus (HCV)-coinfected patients due to inferior outcomes. We aimed to assess how direct-acting antivirals (DAAs) have impacted HIV/HCV-coinfected LT recipient outcomes.

Methods: national data including 70 125 adult LT recipients between 2008 and 2019 were analyzed.

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Background: The outcomes of patients undergoing esophagogastroduodenoscopy (EGD) in the intensive care unit (ICU) for upper gastrointestinal bleeding (UGIB) are not well described. Our aims were to determine predictors of 30-day mortality and endoscopic intervention, and assess the utility of existing clinical-prediction tools for UGIB in this population.

Methods: Patients hospitalized in an ICU between 2008 and 2015 who underwent EGD were identified using a validated, machine-learning algorithm.

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Background: Direct-acting antiviral therapy made possible the novel practice of utilizing hepatitis C virus (HCV)-viremic (HCV RNA-positive) donors into HCV-negative recipients in the United States. Although initial reports of outcomes have been satisfactory, higher-quality longer-term outcomes remain to be elucidated.

Methods: National data were examined from the Organ Procurement and Transplantation Network on adult patients in the United States who underwent a primary, single organ, deceased donor liver transplant from January 1, 2016 to March 31, 2020.

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Medical innovation and ethical dilemmas are intertwined in gastroenterology and hepatology. This narrative review explores direct-acting antiviral (DAA) therapy for hepatitis C virus (HCV) as a touchstone example of how medical innovation breeds ethical dilemmas. A few quandaries-informed consent as well as informed deferral during the first wave of DAA approvals, sobriety restrictions from payors, and high DAA costs for patients-are addressed through the lens of the foundational principles of clinical medical ethics: autonomy, beneficence, non-maleficence, justice, and utility.

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An estimated 4.1 million people in the United States are infected with hepatitis C virus (HCV). In 2014, the Hepatitis C Community Alliance to Test and Treat (HepCCATT) collaborative was formed to address hepatitis C in Chicago.

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