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Haemophilia A
Medical Questions » Haemophilia A
| Name: Haemophilia A |
| Also known as: Factor VIII Deficit |
| A lack of one of the essential factors responsible for the clotting of blood. |
Causes of Haemophilia A
An inherited lack of factor VIII. The gene for the disease is carried by women on the X chromosome, but can only affect men (sex linked inheritance). |
Symptoms of Haemophilia A
Excessive bleeding from a cut, severe bruising from a minor injury, bleeding into joints to cause arthritis, internal bleeding into the gut and other organs. |
Tests for Haemophilia A
Specific blood tests can confirm the diagnosis. |
Treatment for Haemophilia A
Injections of the missing coagulation factor to prevent excessive bleeding when it occurs. Insufficient is available to be given regularly to prevent bleeding at present, but genetic technologies are likely to change this in the near future. The factor is obtained from blood donations at present, but in the future from genetically modified pig milk.
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Complications of Haemophilia A of its treatment
Arthritis, infertility, damage to other organs from bleeding, chronic weakness, shorter than normal lifespan. |
Likely Outcome of Haemophilia A
Severity may vary from one patient to another. No permanent cure available. Statistically, half the children of a woman who carries the responsible gene will have the disease. Incidence 1:10,000. |
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