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  • Title: [Effects of different liver diseases on the platelet count in dogs].
    Author: Neumann S.
    Journal: Dtsch Tierarztl Wochenschr; 2006 Jun; 113(6):224-7. PubMed ID: 16856607.
    Abstract:
    Changes of the platelet count in liver diseases are described in humans. Thrombocytopenia was observed more frequently than thrombocytosis. There are only a few investigations on platelet counts in liver diseases in dogs. The goal of the present study was to investigate the influence of different liver diseases including degeneration, hepatitis and liver tumours, on the platelet count. Platelet counts of 52 dogs with different liver diseases were measured and compared with 52 healthy dogs. The results showed, that dogs with liver degeneration have thrombocytosis in 41% of the cases and a group of dogs with liver tumours (malignant histiocytosis, hepatoma, malignant lymphoma anaplastic sarcoma, cholangiocarcinoma, hepatocellular carcinoma) had thrombocytopenia in 50% of the cases. The dogs with hepatitis showed no specific changes in the platelet count. The statistical comparison of our patients with liver disease and a control group of healthy dogs showed significantly higher platelet counts in cases of liver degeneration (p < 0.0001) and significantly lower platelet counts in cases of liver tumour (p < 0.001). The comparison between the dogs with different liver diseases showed significantly lower platelet counts in dogs with liver tumours when compared to dogs with liver degeneration (p < 0.0001). There was no significant difference between dogs with liver tumours and dogs with hepatitis and between dogs with liver degeneration and dogs with hepatitis. Based on the results of this study the author recommends to assess platelet counts in all dogs with liver disease, especially if liver biopsy is planed.
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