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  • Res. Vet. Sci. · May 1998

    Study of haemostatic disorders in experimentally induced leishmaniasis in Beagle dogs.

    • J E Valladares, R Ruiz De Gopegui, C Riera, J Alberola, M Gállego, Y Espada, M Portús, and M Arboix.
    • Departament de Farmacologia i Terapèutica, Facultat de Veterinària, Universitat Autònoma de Barcelona, Spain. ivft0@cc.uab.es
    • Res. Vet. Sci. 1998 May 1; 64 (3): 195-8.

    AbstractHaemostatic alterations in dogs experimentally infected with Leishmania infantum were studied before and after therapy with meglumine antimonate. Haemostatic function tests including platelet count, collagen-induced platelet aggregation, prothrombin time, activated partial thromboplastin time, thrombin time, plasma fibrinogen determination, and serum fibrinogen/fibrin degradation products concentration were performed. In the course of infection and before treatment, moderate thrombocytopenia (P<0.00001), decreased collagen induced platelet aggregation (P=0.0003), prolonged thrombin time (P=0.0117) and increased fibrinogen/fibrin degradation products were observed. Statistically significant differences of plasma fibrinogen concentration, prothrombin time, and activated partial thromboplastin time were not encountered. Haemostatic parameters returned to normal values after therapy. The results indicate that Leishmania infection may impair haemostasis suggesting induction of disseminated intravascular coagulation (DIC), and that treating dogs in an early stage of infection may potentially avoid the possibility of developing an uncompensated DIC.

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