The Laboratory Investigation of von Willebrand DiseaseAdvancing Healthcare Webinar Series

Dr. John Mitsios


Von Willebrand disease is one of the most common bleeding disorders that affects both men and women equally. However, the diagnosis of von Willebrand disease has often been challenging due to broad clinical presentation and variability in testing methods e.g. Ristocetin cofactor activity.

Today you will learn more about the laboratory investigation of von Willebrand disease, focusing on the different tests involved in the diagnosis. In his presentation our speaker will discuss the new guidelines for diagnosis and newer assays for von Willebrand factor activity.

Dr. John Mitsios, Medical Sciences Partner at Siemens Healthineers, will help you to:

  • Describe the different stages of hemostasis
  • Describe the first line testing for von Willebrand Disease
  • Describe the second line testing for von Willebrand Disease
Dr. John Mitsios graduated from the University of Ioannina, Greece with a PhD in Chemistry. Upon completion of his doctoral thesis, he then went on to complete a post-doctoral fellowship at the University of California, San Diego. Dr. Mitsios then transitioned to the world of Clinical Chemistry and completed a fellowship at Washington University in St. Louis, MO. His primary research interest throughout his education and training has been in coagulation, with an emphasis on platelet function and biology. Dr. Mitsios joined Siemens-Healthineers as a clinical consultant as part of the Scientific and Clinical Affairs team. In addition, Dr. Mitsios has co-authored 21 peer-reviewed articles and 3 book chapters.
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