Clinics in liver disease
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The autoimmune liver disease, primary biliary cirrhosis (PBC), is associated with debilitating fatigue in a significant proportion of patients. The pathogenesis of fatigue in PBC is unclear, but preliminary studies suggest it has central mechanisms and may have peripheral manifestations. Studies are beginning to elucidate the biological associates of fatigue in PBC, particularly sleep disturbance and autonomic dysfunction. Comprehensive studies investigating the pathogenesis of fatigue in PBC are urgently needed as are large-scale prospective outcome studies.
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Hepatitis C virus is a disease of major public health significance throughout the world in terms of overall morbidity and mortality and in its economic consequences and demands on medical resources. The global economic burden of this disease has yet to be fully realized. In this article the authors discuss the economic burden of hepatitis C, the economics of therapy, and the economics of its prevention and screening.
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Clinics in liver disease · Aug 2003
ReviewTo transplant or not to transplant recurrent hepatitis C and liver failure.
In summary, re-OLT accounts for 10% of all OLTs performed and is associated with significantly increased resource use, and decreased survival compared with primary OLT. After transplantation into an HCV-infected recipient, infection of the allograft by HCV is invariable. As patients survive longer after liver transplantation, it is likely that allograft failure related to HCV recurrence will occur. ⋯ Studies are beginning to emerge that demonstrate that HCV recurrence can be modified with combination antiviral therapy and that the HCV virus can be eliminated. Additional longitudinal prospective studies are needed to assess the exact impact of HCV on survival after retransplantation, the effects of the newer immunosuppressive agents such as sirolimus and mycophenolate mofetil on HCV, the use of preemptive antiviral therapy on HCV eradication and fibrosis modification, and the appropriateness of expanded donor criteria. Until we have longer follow-up and greater experience with the HCV-positive recipient with allograft failure, retransplantation should be considered a viable option for highly selected patients, particularly in patients in whom renal failure and severe hyperbilirubinemia have not occurred.
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Fulminant liver disease, acute liver failure (ALF), is one of the most intriguing and challenging conditions in the entire field of internal medicine. ALF is defined as the onset of hepatic encephalopathy and coagulopathy in patients with no known underlying liver disease within 8 to 26 weeks of onset of illness. Many cases develop within a few days, dramatically transforming an otherwise healthy individual to a patient with a high risk for developing multi-organ failure and death.
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Clinics in liver disease · Nov 2002
ReviewLiver in sepsis and systemic inflammatory response syndrome.
In patients with sepsis and SIRS, the liver has two opposing roles: a source of inflammatory mediators and a target organ for the effects of the inflammatory mediators. The liver is pivotal in modulating the systemic response to severe infection, because it contains the largest mass of macrophages (Kupffer cells) in the body; these macrophages can clear the endotoxin and bacteria that initiate the systemic inflammatory response. This article summarizes the functional changes that take place in the liver during sepsis and systemic inflammatory response syndrome and discusses the cellular and molecular mechanisms that underlie clinical outcomes.