Hemophilia B (factor IX deficiency)

Dogs affected from PLL have painful glaucomas and blindness due to a dislocation of the lens due... more
Disease
Haemophilia B is one of the most important inherited disorders of haemostasis in Rhodesian Ridgeback Dogs. The underlying pathomechanism of haemophilia B is a lack or decreased activity of factor IX that plays a critical role in the coagulation cascade. Affected dogs present with hemorrhage that can vary from mild to severe depending on the degree of the disease. The clinical signs include haematomas of large sizes, bleeding of the nose, skin, muscles and joints. If the disease is severe and no precautions are taken, affected dogs can bleed to death after surgery or injuries. Genetic causes for Haemophilia B have been described for some cases in the Lhasa Apso as well.
Breed
Lhasa Apso, Rhodesian Ridgeback
Heredity
X chromosomal recessive
Test duration
3-5 days after arrival of the sample in the lab (Lhasa Apso), 1-2 weeks after arrival of the sample in the lab (Rhodesian Ridgeback)
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