Summary von Willebrand disease (VWD) is caused by a quantitative and/or qualitative
deficiency of the von Willebrand factor (VWF). The laboratory diagnosis of VWD is …

The ristocetin cofactor assay (VWF: RCo) is the reference method for assessing von
Willebrand factor (VWF) activity in the diagnosis of von Willebrand's Disease (VWD) …

Measuring von Willebrand factor (VWF) activity is essential for the diagnosis of von
Willebrand disease (VWD). The VWF activity is usually assessed based on measurement of …

ABSTRACT von Willebrand disease (vWD) is the most common hereditary bleeding disorder
due to either a qualitative or a quantitative defect in von Willebrand factor (vWF). vWF is a …

The ristocetin cofactor activity assay (VWF: RCo) is the reference method for assessing von
Willebrand factor (VWF) activity but remains difficult to perform, and the coefficient of …

INTRODUCTION: The effective diagnosis and monitoring of Von Willebrand Disease (VWD)
requires an accurate assessment of ristocetin co-factor activity (VWF: RCo). Current …

Objectives: Current methods in assessing von Willebrand factor (VWF) ristocetin cofactor
activity for Von Willebrand's disease (VWD) diagnosis include platelet agglutination by …

Abstract von Willebrand disease (VWD) is caused by quantitative and/or qualitative defects
of von Willebrand factor (VWF). The HemosIL von Willebrand Factor Activity assay, a new …

Introduction Ristocetin cofactor activity of Von Willebrand factor (VWF: RCo) and the ratio
VWF: RCo to its antigen VWF: Ag are used as routine screening to estimate VWF function …

Background: VWF: RCo assay is the standard and widely used laboratory test for von
Willebrand disease (VWD) diagnosis. It is hampered by high intra-and inter-assay …