When is a von Willebrand factor ristocetin cofactor (vWF:RCo) assay indicated?

Updated: Feb 12, 2020
  • Author: Vadim Kostousov, MD; Chief Editor: Eric B Staros, MD  more...
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Answer

Answer

vWF:RCo (in conjunction with vWF:Ag and factor VIII activity) is indicated for the following:

  • Diagnosis of vWD

  • Differentiation of vWD subtypes

  • Differentiation of vWD from hemophilia A

  • Monitoring therapy of vWD

For more information, see the Medscape Drugs & Diseases article von Willebrand Disease.


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