ORIGINAL_ARTICLE The polyetiological syndrome of disseminated intravascular coagulation (DIC) is characterized by changes in patients’ hemostasis. The aim of the current research was to elucidate the main factors for the development of DIC syndrome during canine babesiosis, and to assess their correlation level. Dogs included in this study were of various breeds and sex, weighing 10-40 kg and aged 2-7 years. They were separated in two groups (n=50) according to their diagnosis to babesiosis. Oscillometry (blood pressure, pulse rate), vascular-platelet hemostasis, coagulogram, hematological, biochemical (fibrinogen, fibrin degradation product, soluble fibrin-monomer complex) and hemodynamic (circulating blood volume) assessment methods were used. The group of dogs positive on Babesia spp., had clear manifestation of DIC with 5-7% of the erythrocyte population being affected. DIC was manifested by a significant increase in soluble fibrin-monomer complex and fibrin degradation product (p < 0.001), hypofibrinogenemia (p < 0.001), thrombocytopenia (p < 0.001), and an increase in indicators of spontaneous aggregation ability of platelets and red blood cells (p < 0.001). Significant hemodynamic disorders were observed: a decrease in circulating blood volume, circulating erythrocytes volume (p < 0.05), specific circulating blood volume and hematocrit value (p < 0.001). The average blood pressure was reduced (p < 0.001), and the Allgöwer’s shock index was increased 2 times (p < 0.05). A shock of II degree (medium, subcompensated) was confirmed. Therefore, it can be concluded that acute spontaneous dogs’ babesiosis can be characterized by the occurrence of DIC in a consumption coagulopathy form, and shock of II degree. This condition renders the patients for emergency admission. https://macvetrev.mk/Files/Article/2020/10.2478/macvetrev-2020-0027/macvetrev-2020-0027.pdf 2020-10-15T09:00:00 141 149 10.2478/macvetrev-2020-0027 disseminated intravascular coagulation babesiosis dogs shock coagulopathy hemostasis Oksana A. Dubova false 1 Department of Parasitology, Veterinary-Sanitary Expertise and Zoohygiene, Faculty of Veterinary Medicine, Zhytomyr National Agroecological University, Staryi Blvd. 7, 10008 Zhytomyr, Ukraine AUTHOR Diana V. Feshchenko false 2 Department of Parasitology, Veterinary-Sanitary Expertise and Zoohygiene, Faculty of Veterinary Medicine, Zhytomyr National Agroecological University, Staryi Blvd. 7, 10008 Zhytomyr, Ukraine AUTHOR Tetiana I. Bakhur fly_13@ukr.net false 3 Department of Parasitology and Pharmacology, Faculty of Veterinary Medicine, Bila Tserkva National Agrarian University, Soborna Sq. 8/1, 09100 Bila Tserkva, Ukraine LEAD_AUTHOR Oksana A. Zghozinska false 4 Department of Parasitology, Veterinary-Sanitary Expertise and Zoohygiene, Faculty of Veterinary Medicine, Zhytomyr National Agroecological University, Staryi Blvd. 7, 10008 Zhytomyr, Ukraine AUTHOR Anatoliy A. Antipov false 5 Department of Parasitology and Pharmacology, Faculty of Veterinary Medicine, Bila Tserkva National Agrarian University, Soborna Sq. 8/1, 09100 Bila Tserkva, Ukraine AUTHOR Serhii V. Rublenko false 6 Department of Parasitology and Pharmacology, Faculty of Veterinary Medicine, Bila Tserkva National Agrarian University, Soborna Sq. 8/1, 09100 Bila Tserkva, Ukraine AUTHOR Volodymyr P. Goncharenko false 7 Department of Parasitology and Pharmacology, Faculty of Veterinary Medicine, Bila Tserkva National Agrarian University, Soborna Sq. 8/1, 09100 Bila Tserkva, Ukraine AUTHOR Raisa V. Shahanenko false 8 Department of Parasitology and Pharmacology, Faculty of Veterinary Medicine, Bila Tserkva National Agrarian University, Soborna Sq. 8/1, 09100 Bila Tserkva, Ukraine AUTHOR Volodymyr S. Shahanenko false 9 Department of Parasitology and Pharmacology, Faculty of Veterinary Medicine, Bila Tserkva National Agrarian University, Soborna Sq. 8/1, 09100 Bila Tserkva, Ukraine AUTHOR Solano-Gallego, L., Baneth, G. (2011). Babesiosis in dogs and cats-expanding parasitological and clinical spectra. Vet Parasitol. 18, 48-60. 1 10.1016/j.vetpar.2011.04.023 Köster, L.S., Lobetti, R.G., Kelly, P. (2015). Canine babesiosis: a perspective on clinical complications, biomarkers, and treatment. Vet Med (Auckl). 6, 119-128. 2 10.2147/VMRR.S60431 Lack, J.B., Reichard, M.V, Van Den Bussche, R.A. (2012). Phylogeny and evolution of the Piroplasmida as inferred from 18S rRNA sequences. 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