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Identification of Neutrophil Extracellular Traps in Paraffin-Embedded Feline Arterial Thrombi using Immunofluorescence Microscopy
Published on: March 29, 2020
Primary immune-mediated thrombocytopenia in cats
Christina Wondratschek1, Christiane Weingart, Barbara Kohn
1Clinic for Small Animals, Faculty of Veterinary Medicine, Free University of Berlin, Oertzenweg 19b, Berlin, 14163, Germany.
Journal of the American Animal Hospital Association
|January 5, 2010
Summary
Feline primary immune-mediated thrombocytopenia (pIMT) is a rare feline disease. This study describes five cases, with four cats responding well to immunosuppressive treatment and blood transfusions.
Area of Science:
- Veterinary Medicine
- Immunology
- Hematology
Background:
- Feline primary immune-mediated thrombocytopenia (pIMT) is a rare hematologic disorder.
- Limited veterinary literature exists describing feline pIMT cases.
- Severe thrombocytopenia in cats necessitates investigation into immune-mediated causes.
Purpose of the Study:
- To describe clinical findings and treatment outcomes in cats with presumed pIMT.
- To evaluate the utility of flow cytometry in diagnosing feline pIMT.
- To highlight pIMT as a differential diagnosis for bleeding cats.
Main Methods:
- Case series of five cats with severe thrombocytopenia.
- Diagnosis based on clinical signs, exclusion of other causes, and positive flow cytometry platelet-bound antibody test.
- Treatment included blood transfusions (fresh whole blood, Oxyglobin), prednisolone, and chlorambucil.
Main Results:
- All five cats had positive flow cytometry results, indicating platelet-bound antibodies.
- No underlying diseases or triggers for thrombocytopenia were identified.
- Four out of five cats responded to immunosuppressive therapy and transfusions, with good outcomes.
- One cat was euthanized due to respiratory complications (dyspnea).
Conclusions:
- Feline pIMT, though rare, is a significant diagnosis in cats presenting with severe thrombocytopenia and bleeding.
- Flow cytometry is a valuable diagnostic tool for identifying platelet-bound antibodies in feline pIMT.
- Prompt diagnosis and treatment with immunosuppressants and transfusions can lead to positive outcomes in feline pIMT cases.
