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1.
J Vet Intern Med ; 36(1): 116-125, 2022 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-34788481

RESUMO

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.


Assuntos
Infecções por Bartonella , Bartonella , Doenças do Cão , Animais , Infecções por Bartonella/epidemiologia , Infecções por Bartonella/veterinária , Doenças do Cão/epidemiologia , Cães , Estudos Retrospectivos , Estudos Soroepidemiológicos , Estados Unidos/epidemiologia
2.
JFMS Open Rep ; 5(2): 2055116919869053, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31523446

RESUMO

OBJECTIVES: The aim of this study was to compile commercial reference laboratory data over a 10-year period to determine the distribution of Aelurostrongylus abstrusus, commonly known as feline lungworm, within the USA based on widespread fecal testing in cats. METHODS: The results of 3,610,455 feline ova and parasite (O&P) zinc sulfate centrifugation fecal flotation tests performed at IDEXX Reference Laboratories in the USA from January 2008 to December 2017 were compiled and sorted for tests positive for A abstrusus larvae. The results of 3625 Baermann tests, currently considered the gold standard diagnostic for feline lungworm, were also retrieved from the same period. RESULTS: Of the tests performed, 4721 (0.13%) feline O&P zinc sulfate centrifugation fecal flotation tests and 75 (2.07%) of the Baermann tests conducted were positive for the presence of A abstrusus larvae. The O&P data revealed a significant association between infection status and sex, while male cats in both the O&P and Baermann data sets had a higher risk of A abstrusus infection than females. Significant variation in positive rates were observed by region and most positive cases were clustered in the Northeast, Midwest and West regions of the USA. CONCLUSIONS AND RELEVANCE: This study highlights the distribution of feline lungworm in the USA and the limitations of using current testing to diagnose this infection. The introduction of higher throughput, less labor-intensive diagnostic methods could help increase awareness of this parasite among veterinary professionals, achieve a greater understanding of epidemiological factors, and improve the care and treatment for clinically ill feline patients.

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