Nosocomial transmission of HCV in the liver unit of a tertiary care center

Xavier Forns, Eva Martínez‐Bauer, Anna Feliu, Montserrat García‐Retortillo, Marta Martín, Eugeni Gay, Miquel Navasa, Jose María Sánchez‐Tapias, Miquel Bruguera, Juan Rodés – 23 December 2004 – Despite its medical and legal implications, there are no prospective studies analyzing the incidence and mechanisms involved in the nosocomial transmission of hepatitis C virus (HCV) in liver units. This study prospectively investigates the nosocomial transmission of HCV in the liver unit of a tertiary care center from August 2000 to October 2002.

Serum sodium predicts mortality in patients listed for liver transplantation

Scott W. Biggins, Harry J. Rodriguez, Peter Bacchetti, Nathan M. Bass, John P. Roberts, Norah A. Terrault – 23 December 2004 – With the implementation of the model for end‐stage liver disease (MELD), refractory ascites, a known predictor of mortality in cirrhosis, was removed as a criterion for liver allocation. Because ascites is associated with low serum sodium, we evaluated serum sodium as an independent predictor of mortality in patients with cirrhosis who were listed for liver transplantation and whether the addition of serum sodium to MELD was superior to MELD alone.

Fas and TNFR1, but not cytolytic granule‐dependent mechanisms, mediate clearance of murine liver adenoviral infection

Marwan S. Abougergi, Sarah J. Gidner, David K. Spady, Bonnie C. Miller, Dwain L. Thiele – 23 December 2004 – After intravenous injection of replication‐deficient adenovirus, hepatocytes are transduced and express high levels of adenovirus‐encoded genes. However, adenovirally encoded gene expression is ablated rapidly by CD8+ T‐cell–dependent mechanisms. Thus, this model is suitable for examining intrahepatic cytotoxic T lymphocyte (CTL) effector mechanisms.

Alpha‐fetoprotein is a predictor of outcome in acetaminophen‐induced liver injury

Lars E. Schmidt, Kim Dalhoff – 23 December 2004 – An increase in alpha‐fetoprotein (AFP) following hepatic necrosis is considered indicative of hepatic regeneration. This study evaluated the prognostic value of serial AFP measurements in patients with severe acetaminophen‐induced liver injury. Prospectively, serial measurements of AFP were performed in 239 patients with acetaminophen intoxication and a peak alanine aminotransferase (ALT) level above 1,000 U/L. AFP was measured using an enzyme‐linked immunoassay (EIA) with a detection limit below 0.4 μg/L.

Microarray analysis in human hepatocytes suggests a mechanism for hepatotoxicity induced by trovafloxacin

Michael J. Liguori, Mark G. Anderson, Stanley Bukofzer, James McKim, Jeffrey F. Pregenzer, Jacques Retief, Brian B. Spear, Jeffrey F. Waring – 23 December 2004 – Idiosyncratic drug toxicity, defined as toxicity that is dose independent, host dependent, and usually cannot be predicted during preclinical or early phases of clinical trials, is a particularly confounding complication of drug development. An understanding of the mechanisms that lead to idiosyncratic liver toxicity would be extremely beneficial for the development of new compounds.

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