Page 4 - HFA Annual Report 2015
P. 4
Bleeding Disorders: A Primer
Hemophilia A is the
Normal clotting Clotting in hemophilia
most common type
of hemophilia.
A person with a bleeding disorder lacks a clotting
protein that stops or prevents excessive bleeding.
The most commonly recognized bleeding disorders Hemophilia B (or Christmas
are hemophilia and von Willebrand Disease.
Disease) is another type
of hemophilia.
20,000
people in the
United States
have hemophilia.
400,000 people in the
world have a bleeding
75%
disorder. Sadly, 75% of
those with a bleeding
disorder have no
access to treatment.
of the population is thought to have von Willebrand
1-2% Disease and have not been properly diagnosed.