Hepatitis in Acquired Rubella Infection in Children

Abstract
Sir.—Although congenital rubella frequently is accompanied by hepatocellular disease,1 liver involvement in acute acquired rubella, to our knowledge, has not been recognized.2,3 Recently, Zeldis et al4 reported a case of rubella accompanied by serum aminotransferase level elevations in an adult. We determined liver-derived serum enzyme levels in pediatric patients with rubella to clarify the incidence and clinical features of liver involvement. Early in 1987, a rubella epidemic occurred in Japan. In this study, we analyzed 241 patients who were serologically confirmed to have rubella by a hemagglutination inhibition test. At the first visit, we measured serum bilirubin, aspartate aminotransferase (AST), alanine aminotransferase (ALT), lactate dehydrogenase (LDH) and its isoenzymes, alkaline phosphatase (AP), and γ-glutamyltransferase (GGT) levels. We arbitrarily defined liver dysfunction as an elevation of ALT level over 100 U/L. Normal reference interval levels are AST, 20 to 50 U/L; ALT, 10 to 40 U/L; and LDH,

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