Canine von Willebrand Disease - Clinical Signs

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Comparative Coagulation


Canine von Willebrand Disease - Clinical Signs

Clinical signs of vWD range from a mild to severe bleeding tendency. Dogs may "carry" the vWD trait without expressing a bleeding tendency. Severe vWD causes spontaneous bleeding from the nose, mouth, and urinary, reproductive or intestinal tracts. Uncontrollable bleeding may occur after surgery. Dewclaw removal and teething may cause excessive bleeding in vWD-affected pups. Infections, endocrine disorders, and certain medications may exacerbate signs of bleeding in vWD-affected dogs.

severe (type 3) vWD
Shetland sheepdog affected with
severe (type 3) vWD
  
IncisionBruising
Severe bruising along incision line after
ovariohysterectomy (spay). Bruising occurred in
spite of pre-operative transfusion.