[Acute viral hepatitis: etiology in the southern area of Chile].
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Biomedical subjects
Publications and source records attributed to H Ibarra.
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A 23-year-old man developed thrombocytopenic purpura at the end of the second week of the clinical evolution of hepatitis A confirmed by viral markers. The bone marrow of this patient showed megakaryocytic hyperplasia. Circulating in his serum immune complexes were demonstrated by solid phase conglutinin enzymo-immunoassay. Platelet-reactive serum factors were also detected by an indirect immunofluorescence test using fresh donor platelets as targets. The evolution of both the hepatitis and the purpura were benign with no therapy other than bedrest. Platelet count normalized within five weeks of the onset of purpura, and IgM antibodies against hepatitis A virus as well as circulating immune complexes dropped to normal levels. It is postulated that the thrombocytopenia of this case was caused by nonspecific deposition of immune complexes at the platelet surface.
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In many countries, Hepatitis is mainly due to virus. A. When improving life condition in a given population, initially there is a tendency to increase the number of cases in adults. We report clinical and laboratory findings in 87 adults with acute viral Hepatitis A in Chile. The rate man/woman was 1.55/1. Mean age: 23.8 years. Clinical forms: icteric classical (77.01%), cholestatic (10.34%), anicteric (8.05%), biphasic (2.30%) and fulminant (2.30%). From 87 patients in consult 1, 64 were controlled at day 15 (consult 2) and 35 one year later (consult 3). Laboratory (means): ALT (UI/L): 856.8, 111.6 and 20.8 in consult 1, 2 and 3 respectively. Correlation between values of ALT and AST (p < 0.0001). Mean total bilirubin (mg%): 6.6, 2.5 and 0.8 respectively. The evolution of Hepatitis A was favorable with a rapid decrease of clinical signs and normalization of laboratory values within the 3 first weeks of disease.