Hispanics with primary biliary cirrhosis are more likely to have features of autoimmune hepatitis and reduced response to ursodeoxycholic acid than non-Hispanics

Clinical Gastroenterology and Hepatology : the Official Clinical Practice Journal of the American Gastroenterological Association
Cynthia LevyPaul Martin

Abstract

Primary biliary cirrhosis (PBC) is a cholestatic disease that predominantly affects middle-aged Caucasian women. Studies have suggested that PBC has a more aggressive course in individuals of Hispanic ancestry. We investigated the clinical presentation and progression of PBC in an ethnically diverse population. We performed a cross-sectional study, analyzing data from Hispanic (n = 70) and non-Hispanic patients (n = 134) with PBC seen at the University of Miami/Jackson Memorial Hospital from January 1, 2000, through December 31, 2011. We compared demographics, clinical presentation, response to therapy, and outcomes between the groups. Age at diagnosis, antimitochondrial antibody positivity, frequency of advanced histologic stage, use and dose of ursodeoxycholic acid (UDCA), and the presence of pruritus or fatigue were similar between groups. Hypothyroidism was less frequent among Hispanics (16% vs 29% in non-Hispanics; P = .04). Hispanic subjects were more likely to have overlap syndrome of PBC and autoimmune hepatitis than non-Hispanics (31% vs 13%; P = .002). After a median follow-up period of 3.65 years, a greater percentage of Hispanics had ascites (24% vs 12%; P = .03) and variceal bleeding (20% vs 7%; P = .01), although ...Continue Reading

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