Systemic Lupus Erythematosus
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Systemic Lupus Erythematosus is also known as SLE and Multi-systemic immune mediated disease
Description
Systemic Lupus Erythematous is an immune-mediated disease which can affect many different organ systems. The immune system is directed against various tissues of the body and immune complexes cause a type III hypersensitivity reaction. The condition is documented in cats and dogs but the etiology is not known. The disease has been reported in colonies of dogs suggesting that there may be a genetic or infectious component to the cause.
Diagnosis
Clinical Signs
Clinical signs depend on the tissues and organ systems affected by the condition. A combination of the following signs may be seen:
- Immune-medated haemolytic anaemia
- Immune-mediated throbocytopenia
- Polyarthritis
- Glomerulonephritis
- Vasculitis
- Dermatitis
- Seizures
Treatment
Treatment is with immunosuppressive drugs. Corticosteroids are the most widely used immunosuppresives, predinoslone or dexamethasone is used alone or in combination with azothioprine or cyclophosphamide in more sereve cases. Typically the dose can be tapered once the condtion is under control.
Prognosis
Prognosis is good with appropriate treatment.
References
- Blood, D.C. and Studdert, V. P. (1999) Saunders Comprehensive Veterinary Dictionary (2nd Edition) Elsevier Science
- Merck & Co (2008) The Merck Veterinary Manual (Eighth Edition) Merial
- Nelson, R.W. and Couto, C.G. (2009) Small Animal Internal Medicine (Fourth Edition) Mosby Elsevier