Peer-reviewed veterinary case report
Bartonella infection rates and blood test changes in US dogs
By Lashnits, Erin et al.·Published in Journal of veterinary internal medicine·2022·Comparative Medicine Institute, United States·View original on PubMed →
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Original publication title: Bartonella spp. seroepidemiology and associations with clinicopathologic findings in dogs in the United States.
- Species:
- dog
Plain-English summary
A study of nearly 6,000 dogs in the United States found that about 6.1% tested positive for Bartonella spp., a type of bacteria that can affect dogs. Mixed breed dogs and those aged 1 to 5.5 years were more likely to be positive compared to toy breeds and younger dogs. The highest rates of seroreactivity were found in dogs from the West South Central and South Atlantic regions. Understanding these patterns can help veterinarians make better decisions regarding testing and treatment for dogs that may be affected by Bartonella.
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Abstract
BACKGROUND: Improved understanding of Bartonella spp. serology in dogs may aid clinical decision making. OBJECTIVE: Describe demographic and geographic patterns of Bartonella spp. seroreactivity in dogs, and describe hematologic and serum biochemical abnormalities in Bartonella spp. seroreactive and nonseroreactive dogs. ANIMALS: Serum samples from 5957 dogs in the United States, previously submitted to IDEXX Reference Laboratories. METHODS: Serum was tested using 3 indirect ELISAs for B. henselae, B. vinsonii subsp. berkhoffii, and B. koehlerae. Complete blood count and serum biochemistry panel results were reviewed retrospectively. RESULTS: Overall, 6.1% of dogs were Bartonella spp. seroreactive. Toy breeds were less likely to be seroreactive (3.9%) than mixed breeds (7.5%; adjusted odds ratio [aOR], 0.48; 95% confidence interval [CI], 0.32-0.72), and dogs <1 year old were less likely to be seroreactive (3.4%) than dogs 1 to 5.5 years of age (7.3%; aOR, 0.42; 95% CI, 0.23-0.72). Dogs in the West South Central (9.8%) and South Atlantic (8.8%) regions were more likely than dogs elsewhere in the United States to be seroreactive (aOR, 2.22; 95% CI, 1.31-3.87; aOR, 2.44; 95% CI, 1.38-4.36). CONCLUSIONS AND CLINICAL IMPORTANCE: Demographic and geographic findings for Bartonella spp. exposure were broadly comparable to previously reported patterns.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/34788481/