Evolution of clinical, haematological and biochemical findings in young dogs naturally infected by vector-borne pathogens

被引:55
|
作者
de Caprariis, Donato [1 ]
Dantas-Torres, Filipe [1 ]
Capelli, Gioia [2 ]
Mencke, Norbert [3 ]
Stanneck, Dorothee [3 ]
Breitschwerdt, Edward B. [4 ]
Otranto, Domenico [1 ]
机构
[1] Univ Bari, Dipartimento Sanita Pubbl & Zootecnia, Valenzano, BA, Italy
[2] Ist Zooprofilatt Sperimentale Venezie, Legnaro, PD, Italy
[3] Bayer Anim Hlth GmbH, Leverkusen, Germany
[4] N Carolina State Univ, Coll Vet Med, Ctr Comparat Med & Translat Res, Intracellular Pathogens Res Lab, Raleigh, NC USA
关键词
Vector-borne diseases; Clinical signs; Haematological alterations; Diagnosis; BABESIA-CANIS-CANIS; CLINICOPATHOLOGICAL FINDINGS; BARTONELLA-VINSONII; RISK-FACTORS; ABNORMALITIES; COINFECTION; 50-PERCENT; EHRLICHIA; DISEASES; BLOOD;
D O I
10.1016/j.vetmic.2010.10.006
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Longitudinal studies evaluating the evolution of clinical, haematological, biochemical findings in young dogs exposed for the first time to multiple vector-borne pathogens have not been reported. With the objective of assessing the evolution of clinical, haematological and biochemical findings, these parameters were serially monitored in naturally infected dogs throughout a 1-year follow-up period. Young dogs, infected by vector-borne pathogens based on cytology or polymerase chain reaction, were examined clinically and blood samples were obtained at seven different follow-up time points. Dogs were randomized to group A (17 dogs treated with a spot-on formulation of imidacloprid 10% and permethrin 50%) or to group B (17 dogs untreated). In addition, 10 4-month-old beagles were enrolled in each group and used as sentinel dogs. At baseline, Anaplasma platys was the most frequently detected pathogen, followed by Babesia vogeli, Bartonella spp., Ehrlichia canis and Hepatozoon cants. Co-infections with A. platys and B. vogeli, followed by E. canis and B. vogeli, A. platys and H. cants and A. platys and Bartonella spp. were also diagnosed. In dogs from group B. abnormal clinical signs were recorded at different time points throughout the study. No abnormal clinical signs were recorded in group A dogs. Thrombocytopenia was the most frequent haematological alteration recorded in A. platys-infected dogs, B. vogeli-infected dogs and in dogs co-infected with A. platys and B. vogeli or A. platys and Bartonella spp. Lymphocytosis was frequently detected among dogs infected with B. vogeli or co-infected with A. platys and B. vogeli. Beagles were often infected with a single pathogen rather than with multiple canine vector-borne pathogens. There was a significant association (p < 0.01) between tick infestation and A. platys or B. vogeli, as single infections, and A. platys and B. vogeli or A. platys and Bartonella spp. co-infections. This study emphasizes the clinical difficulties associated with assigning a specific clinical sign or haematological abnormality to a particular canine vector-borne disease. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码:206 / 212
页数:7
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