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  • Title: Hemorrhagic fever with renal syndrome: clinical aspects.
    Author: Tsai TF.
    Journal: Lab Anim Sci; 1987 Aug; 37(4):419-27. PubMed ID: 2889845.
    Abstract:
    Hemorrhagic fever with renal syndrome (HFRS) is an acute viral fever which typically progresses through five stages: an acute grippe, followed by hemorrhage and shock, acute renal insufficiency from tubulo-interstitial nephritis, and recovery. Death from circulatory or renal failure occurs in 5%-15% of cases. In mild or abortive forms of the disease, associated with viral strains enzootic in Scandinavia the illness is milder. Hemorrhage and shock occur with lower frequency and the fatality rate is less than 1%. Pathologic examination of HFRS cases from Asia discloses generalized congestion, hyperemia, and hemorrhage, with scattered foci of necrosis in numerous organs. Congestion and hemorrhage are most evident in the kidney medulla. Widespread microscopic evidence of capillary and vascular dysfunction is found, with endothelial cell swelling, perivascular edema, diapadesis of erythrocytes and mononuclear cell infiltration. Hemorrhage and inflammation in the renal interstitium and tubular epithelial degeneration characterize the kidney pathology. Limited data indicate pathogenic roles for cell destruction from viral infection as well as immune mediated mechanisms. No specific therapy is available.
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