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Impaired fibrinolysis in the pathogenesis of dengue hemorrhagic fever

✍ Scribed by Dr. Eric C.M. van Gorp; Tatty E. Setiati; Albert T.A. Mairuhu; Catharina Suharti; Hugo ten Cate; Wil M.V. Dolmans; Jos W.M. van der Meer; C. Erik Hack; Dees P.M. Brandjes

Publisher: John Wiley and Sons
Year: 2002
Tongue: English
Weight: 72 KB
Volume: 67
Category: Article
ISSN: 0146-6615
DOI: 10.1002/jmv.10137

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✦ Synopsis

Abstract

The mechanisms contributing to bleeding complications in dengue hemorrhagic fever were studied by investigating the pattern of activation of the coagulation and fibrinolytic systems in 50 children with severe dengue hemorrhagic fever. Thirteen patients (26%) died, and activation of coagulation was most pronounced in the deceased group. Fibrinolysis was also activated, but this activation was relatively weak compared with that of coagulation as a result of persistently high plasminogen activator inhibitor levels. Plasminogen activator inhibitor also prevented a switch from the procoagulant to the profibrinolytic state in lethal dengue hemorrhagic fever, which was further enhanced by an acquired protein C deficiency. The present study is the first to demonstrate such a mechanism in a viral infection. This imbalance between coagulation and fibrinolysis may be used as a prognostic marker, but it may also be a target for future therapeutic intervention. J. Med. Virol. 67:549–554, 2002. © 2002 Wiley‐Liss, Inc.

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