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Over 240 million people in the world are chronically infected with hepatitis B virus (HBV). In many infected individuals, initial infection leads to clearance (defined as the loss of surface antigen [HBsAg]). Some HBsAg negative individuals remain HBV DNA positive (i.e., occult HBV) and others have HBV DNA in the liver but are serologically cleared. […]

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Combination direct-acting antiviral (DAA) therapy of eight to 24 weeks for the treatment of chronic hepatitis C is highly effective. Current guidelines do not encourage treatment for less than 12 weeks. However, mounting evidence indicates that many patients can achieve sustained virologic response (SVR) with only eight weeks of treatment. Thus, treatment for shorter durations […]

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The advent of direct acting antivirals (DAAs) in the treatment of chronic hepatitis C infection has been revolutionary in that they have drastically mitigated the side effects of therapy while enhancing efficacy relative to interferon-based therapy. DAAs are broadly categorized into the NS3/4A protease inhibitors, NS5A inhibitors, and the non-nucleoside and nucleotide NS5B inhibitors. Ribavirin, […]

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Evidence from a few randomized trials and multiple observational studies supports performing a liver ultrasound every six months as part of hepatocellular carcinoma (HCC) surveillance in patients with hepatitis C virus-related cirrhosis (HCVc). Although the possibility of using other technical modalities is tempting, there are concerns regarding radiation exposure and cost. Use of multiphase computed […]

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The availability of highly efficacious and tolerable all-oral direct acting antiviral (DAA) regimens for the treatment of chronic hepatitis C virus (HCV) infection in 2014 was met with a mix of joy and relief among both HCV providers and chronically infected patients. Finally we could do away with the low cure rates and toxicities associated […]

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The prevalence of hepatitis C (HCV) in dialysis patients is higher than that of the general population, ranging from 1.8 to 8 percent in developed countries, with much higher rates in the developing world. Its prevalence correlates with the number of patient-years on dialysis. HCVinfected patients on maintenance dialysis experience increased mortality compared to uninfected […]

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The connection between nutrition and gastroenterology should be intuitive given that gastroenterology involves the study of the organ system responsible for the digestion and absorption of nutrients. However, in my experience, nutrition is often an afterthought, being considered only after disease has negatively impacted an individual’s nutritional status. In the early years of gastroenterology, Dr. […]