Inflammation-associated ADAMTS13 deficiency promotes formation of ultra-large von Willebrand factor
- 1 January 2008
- journal article
- Published by Ferrata Storti Foundation (Haematologica) in Haematologica
- Vol. 93 (1), 137-140
- https://doi.org/10.3324/haematol.11677
Abstract
In a prospective, longitudinal study, we investigated the association between decreased ADAMTS13 activity and impaired hemostasis, as well as organ dysfunctions in patients with systemic inflammation due to extracorporeal cardiopulmonary circuit or with severe sepsis. Similar to negative acute phase proteins, ADAMTS13 activity declined stepwise according to the extent of inflammatory responses. A marked imbalance between ADAMTS13 activity and VWF antigen level was associated with the appearance of ultra-large VWF multimers in plasma, with organ dysfunction and lethality. Our data support the view that systemic inflammation results in an ADAMTS13 deficiency which activates hemostasis.Keywords
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