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  • Title: Fulminant hepatitis in dengue haemorrhagic fever.
    Author: Ling LM, Wilder-Smith A, Leo YS.
    Journal: J Clin Virol; 2007 Mar; 38(3):265-8. PubMed ID: 17306619.
    Abstract:
    Dengue virus is estimated to cause over 100 million infections throughout the world annually. While dengue infections can have a wide range of infections, atypical manifestations have been described. These involve the central nervous system, cardiac alterations and hepatitis. Here, we highlight a case of dengue haemorrhagic fever (DHF) with fulminant hepatitis. A 55-year-old male was admitted for 16 days, developing severe thrombocytopenia as low as 6x10(9)/L, haematocrit of 48% with transaminitis: ALT: 3,515 U/L, AST: 12,541 U/L, GGT: 1,094 U/L. Subsequent investigations excluded any occult liver lesions, hepatitis A, B and C, Wilson's disease, Epstein-Barr virus and Cytomegalo virus as possible causes. His dengue PCR was positive. His condition subsequently improved with supportive treatment. Liver injury from dengue virus is mediated by its direct infection of hepatocytes and kupffer cells. While mild to moderate elevations of serum aminotransferases (ALT and AST<5X normal) are common in dengue virus infection, liver failure rarely dominate the clinical picture. Liver dysfunction was commoner in DHF, with case reports indicating that severe hepatic dysfunction (ALT and AST>10X normal) was seen with DHF associated with spontaneous bleeding tendencies. Overall prognosis depends on age and other concomitant co-morbidities. We seek to review the literature on dengue infections with hepatitis and discuss issues pertaining to pathophysiology of liver impairment in dengue, the frequency of transaminitis associated with DHF and the overall prognosis.
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