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Rev. MVZ Córdoba ; 19(3): 4277-4288, Sept.-Dec. 2014. ilus, tab
Article in English | LILACS, COLNAL | ID: lil-730963

ABSTRACT

Objective. In the present study alterations in trombocyte numbers and trombocyte indices were investigated in 51 dogs naturally infected with E. canis and/or A. phagocytophilum. Achieved results were compared to those of 20 healty dogs comprising control group. Materials and methods. Naturally occuring vector borne diseases were diagnosed by use of a canine point-of-care ELISA kit (Snap 4Dx, Idexx). Dogs were enrolled into 3 groups as follows; II. group involved A. phagocytophilum infected dogs (n=10), III. group (n=13) E. canis+ A. phagocytophilum co-infected, and IV. group (n=28) E. canis infected dogs. Healthy controls (n=20) were enrolled in group I. Results. Mean PLT counts were significantly decreased in II., III. and IV. groups (159.6±63.5, 142.3±44.3, 148.7±33.5, respectively) in comparison to control group (370.4±28.6) (p≤0.01). Mean PCT values in groups II., III. and IV. (0.1530±0.590, 0.1531±0.0441, 0.1450±0.314, respectively) were significantly decreased in contrast to control group (0.3695±0.0283) (p≤0.01). Between PLT and PCT values, statistically significant positive correlation (p≤0.01) (r=0.988, 0.990 and 0.981, respectively) was evident among groups II., III. and IV. Conclusions. Infected dogs showed significant alterations (p≤0.01) among mean PLT and PCT values and a positive correlation was evident between those 2 parameters (p≤0.01), whereas alterations on mean MPV and PDWc were not statistically significant. Finally it was suggested that according to the aforimentioned results, PLT and PCT values may be used as valuable parameters for diagnosis and probably for monitorization and prognosis in infected dogs with Ehrlichiosis and/or Anaplasmosis.


Objetivo. Comparar las alteraciones en el número de trombocitos y en los índices de trombocitos en perros infectados naturalmente con E. canis y A. phagocytophilum. Materiales y métodos. Los perros fueron distribuidos en cuatro grupos: Grupo I; perros sanos (n=20), Grupo II; perros infectados con A. phagocytophilum (n=10), Grupo III; perros infectados con E. canis + A. phagocytophilum (n=13) y grupo IV; perros infectados con E. Canis (n=28). Resultados. Los recuentos de PLT se redujeron significativamente (p≤0.01) en los grupos II, III y IV (159.6±63.5, 142.3±44.3, 148.7±33.5, respectivamente) en comparación con el grupo control (370.4±28.6). La media de los valores de PCT en los grupos II, III y IV fue de 0.1530±0.590, 0.1531±0.0441 y 0.1450±0.314 respectivamente, cuyas reducciones fueron significativas (p≤0.01) en contraste con el grupo control (0.3695±0.0283). Entre los valores de PLT y el PCT la correlación fue positiva (r =0.988) y significativa (p≤0.01), 0.990 y 0.981, respectivamente, entre los grupos II, III y IV. Conclusiones. Los perros infectados mostraron alteraciones significativas (p≤0.01) entre PLT y los valores del PCT, así como una correlación positiva entre esos dos parámetros (p≤0.01), mientras que las alteraciones de MPV y PDWc no fueron significativas. Se sugiere que de acuerdo con los resultados obtenidos, los valores de PLT y el PCT se pueden utilizar como parámetros valiosos para el diagnóstico y probablemente, para el monitoreo y el pronóstico en perros infectados con la Ehrlichiosis o la Anaplasmosis.


Subject(s)
Anaplasma phagocytophilum , Blood Platelets , Ehrlichia canis , Index
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