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Hemophilia

Hemophilia is a congenital bleeding disorder that results in the blood failing to clot normally.  It is caused by a deficiency of a protein in the blood called a clotting factor. People with hemophilia bleed easily and often excessively.  Untreated, hemophilia can be life-threatening.   There are two types of hemophilia: “Hemophilia A” is the most common type and is caused by the deficiency of what is known as Clotting Factor VIII; “hemophilia B” is caused by deficiency of Clotting Factor IX. 

Hemophilia occurs in about 1 in 10,000 births and it is much more common in males because it is an “X-linked” disorder.  The number of affected persons worldwide is estimated to be about 400,000.  Hemophilia A accounts for some 80-85% of all hemophilia cases.

DIAGNOSIS

You should speak to your physician if you have a history of:

  • Easy bruising in early childhood.
  • Spontaneous bleeding (bleeding for no apparent/known reason), especially into the joints, muscles, and soft tissues.
  • Excessive bleeding following trauma or surgery.

A definitive diagnosis depends on a blood analysis to determine deficiency of Clotting Factor VIII or IX.
Because each type of hemophilia requires a different therapy, accurate diagnosis is essential.   

THERAPY

Hemophilia can be very successfully managed by simply replacing the deficient clotting factor. Therapy can be either “on demand” - the treatment of active bleeding, or “prophylactic” - regular maintenance of clotting factor levels to prevent bleeding (1).   Before the development of treatment, the life expectancy of boys with hemophilia was drastically reduced.  Now, in developed countries where these factors are readily available, the life expectancy of males suffering from hemophilia is essentially the same as for males in the general population.

Reference:

1. Srivastava A. et al. Guidelines for the Management of Hemophilia. Haemophilia (2012), 1–47.