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In this paper, we present a comprehensive methodology for a formal, but intuitive, cause-eeect dependency mod-eling using multi-signal directed graphs that correspond closely to hierarchical system schematics and develop diagnostic strategies to isolate faults in the shortest possible time without making the unrealistic single fault assumption. A key(More)
Studies of acute liver failure from drugs have included cases mostly attributed to acetaminophen (APAP) but have reported limited data on other drugs. We used the United Network for Organ Sharing (UNOS) liver transplant database from 1990 to 2002 to identify recipients and estimate a U.S. population-based rate of liver transplantation due to acute liver(More)
The aim if this study is to determine donor morbidity associated with right lobectomy for living donor liver transplantation (LDLT) to adult recipients through a systematic review of the published literature. Data sources were English-language reports on donor outcome after LDLT. MEDLINE (1995 to June 2001) was searched using the MeSH terms "living donors"(More)
End stage liver disease from chronic hepatitis C is the leading indication for liver transplantation in the United States. Small studies suggest that recurrent hepatitis C may be more common and occur earlier after living donor liver transplantation compared to deceased donor liver transplantation. The objective of our study was to analyze the United(More)
BACKGROUND & AIMS Noncirrhotic portal hypertension (NCPH) is unusual in North American patients. This study characterized patients with NCPH and human immunodeficiency virus-1 (HIV-1) infection to identify potential risk factors for this association. METHODS Eleven consecutive patients from our urban hepatology clinic with HIV-1 infection and NCPH were(More)
GOAL Our aim was to assess stigmatization by evaluating the impact of hepatitis C virus (HCV) on social interactions, feelings of rejection, internalized shame, and financial insecurity, and behavior. BACKGROUND HCV patients suffer from slowly progressive disease. Although much research has improved the long-term prognosis of chronic HCV, quality of life(More)
PURPOSE To retrospectively evaluate the morphologic and enhancement features of the liver on magnetic resonance (MR) images obtained in patients with autoimmune hepatitis (AIH) and to determine if there is a correlation between MR imaging findings and severity of clinical disease as measured with the Mayo end-stage liver disease (MELD) score. MATERIALS(More)
Living donor liver transplantation in adult recipients is becoming increasingly common. The liver metabolizes most drugs, including immunosuppressive agents. Right-lobe grafts used in adult living donor liver transplantation consist of only 50% to 60% of the total liver. The purpose of this study is to determine whether there is a difference between(More)
Elective esophageal variceal ligation (EVL) is performed to decrease the risk of variceal hemorrhage. Side effects of EVL include hemorrhage, chest pain, dysphagia, and odynophagia. Because gastric acid may exacerbate postbanding ulcers and delay healing, proton pump inhibition may decrease side effects associated with EVL. The aim of this study was to(More)
Studies suggest donor age and year of transplantation are associated with low graft survival in liver transplant recipients with hepatitis C. We sought to determine if advanced donor age and recent year of transplantation are associated with graft survival in hepatitis C recipients and to determine if the effect of donor age on graft survival is specific to(More)