Bleeding disorders affect the clotting of blood and can result in excessive bleeding inside and outside of the body. Bleeding disorders are almost always inherited and common symptoms include easy bruising, frequent nosebleeds, heavy menstrual bleeding, and excessive bleeding from small cuts. Treatments vary depending on the type of disorder, but may include factor replacement therapy, iron supplementation, topical products or sprays, or blood transfusions. The most common types of bleeding disorders are hemophilia A and B and von Willebrand disease. In 2018, there were around 210,454 people worldwide who had been diagnosed with hemophilia and 78,500 who had been diagnosed with von Willebrand disease.
Hemophilia is perhaps the most well-known bleeding disorder. There are three types of hemophilia - hemophilia A, the most common type, hemophilia B, also called Christmas disease, and hemophilia C, the rarest type. In 2018, it was estimated that over 13,600 people in the United States had been diagnosed with hemophilia A, while around 4,100 had been diagnosed with hemophilia B. Hemophilia is more common among males than females, with around 90 percent of hemophilia A cases worldwide occurring among males. Modern treatments for hemophilia have greatly increased the life quality and expectancy of those suffering from the disorder. Before current available treatments, the life expectancy of someone with hemophilia was only 30 years, but today someone diagnosed with this disorder can expect to live up to 68 years on average.
In 2018, it was estimated that 11,805 people in the United States had been diagnosed with von Willebrand disease (VWD). Much like with hemophilia, VWD also has several types, most commonly type 1, type 2, and type 3. As of 2019, females accounted for about 66 percent of all type 1 VWD patients, while they accounted for 51 percent of type 3 VWD patients. VWD is most commonly inherited from a parent and is much more prevalent among the white population in the U.S. than among other ethnicities. Although there is no cure for VWD, with self-care and quality treatment, most of those diagnosed are able to lead active lives.
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In the following 4 chapters, you will quickly find the 18 most important statistics relating to "Bleeding disorders".