A clinical feature unique to severe von Willebrand's Disease is?

Severe von Willebrand's Disease is characterized by a significant deficiency or dysfunction of von Willebrand factor, which plays a critical role in hemostasis—specifically in platelet adhesion and stabilization of factor VIII. While easy bruising, epistaxis (nosebleeds), and mucosal bleeding are common issues associated with mild to moderate cases of von Willebrand's Disease, severe cases especially lead to more profound bleeding tendencies.

Severe bleeding after surgical procedures is particularly noteworthy as patients with severe von Willebrand's Disease may not form sufficient platelet plugs due to the lack of functional von Willebrand factor. This results in an increased risk of significant postoperative hemorrhage, setting it apart as a unique clinical feature of the severe form of this condition. Therefore, recognizing the propensity for severe bleeding post-surgery is essential for appropriate management and planning in patients with this disorder.