Von Willebrand's Disease (***)
The most common hereditary coagulation abnormality characterized by a qualitative or quantitative deficiency of von Willebrand’s factor (vWF).
vWF is Factor VIII
Type I – mild decrease in vWF Type II – qualitative vWF defect, with normal levels Type III – most severe (homozygous) form with very low levels of vWF
Give cryoprecipitate (~ 10 units) and DDAVP with bypass termination.
Pa tients will need to be monitored closely postoperatively for excessive bleeding
DDAVP = DESMOPRESSIN