Haemophilia B (Factor IX deficiency)
Haemophilia B (Factor IX deficiency)
General description
The underlying pathomechanism of haemophilia B is a lack or decreased activity of factor IX that plays a critical role in the coagulation cascade. 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.
Breeds
American Akita, Hovawart, Lhasa Apso, Rhodesian Ridgeback
Detailed description
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 breeds American Akita, Hovawart and Lhasa Apso as well.
Hemophilia B - American Akita
The symptoms described in this breed can be found in the text above.
Order details
| Test number | 8221 |
| Sample material | 0.5 ml EDTA blood, 2x cheek swab, 1x special swab (eNAT) |
| Test duration | 3-5 working days |
Test specifications
| Symptom complex | hematologic |
| Causality | causally |
| Gene | F9 |
| Mutation | T-C |
Hemophilia B - Hovawart
The symptoms described in this breed can be found in the text above.
Order details
| Test number | 8221 |
| Sample material | 0.5 ml EDTA blood, 2x cheek swab, 1x special swab (eNAT) |
| Test duration | 3-5 working days |
Test specifications
| Symptom complex | hematologic |
| Causality | causally |
| Gene | F9 |
| Mutation | DEL |
| Literature | OMIA:000438-9615 |
Hemophilia B - Lhasa Apso
The symptoms described in this breed can be found in the text above.
Order details
| Test number | 8221 |
| Sample material | 0.5 ml EDTA blood, 2x cheek swab, 1x special swab (eNAT) |
| Test duration | 3-5 working days |
Test specifications
| Symptom complex | hematologic |
| Causality | causally |
| Gene | F9 |
| Mutation | COMPLEX |
| Literature | OMIA:000438-9615 |
Hemophilia B - Rhodesian Ridgeback
The symptoms described in this breed can be found in the text above.
Order details
| Test number | 8221 |
| Sample material | 0.5 ml EDTA blood, 2x cheek swab, 1x special swab (eNAT) |
| Test duration | 3-5 working days |
Test specifications
| Symptom complex | hematologic |
| Causality | causally |
| Gene | F9 |
| Mutation | G-A |
| Literature | OMIA:000438-9615 |
