Perfil epidemiológico, hematológico e bioquímico em cães com Dirofilaria sp. no Ceará

Bezerra, Lorena Santos; Lima, Glenda Roberta Freire; Araújo, Vitória Maria Jorge de; Teixeira, Germano Gonçalves; Coelho, João Marcelo Alves; Farzat, Flavia de Azevedo; Oliveira, Elana da Silva; Pinheiro, Vitória Costa; Mendes, Adriane Luzia da Silva; Ramires, Paola; Silva, Isaac Neto Góes da; Pinheiro, Breno Queiroz; Rodrigues, Victor Hugo Vieira

doi:10.33448/rsd-v10i8.17252

Cited by 2 publications

(1 citation statement)

References 22 publications

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“…Thrombocytopenia found in infected dogs may be the result of immune-mediated platelet destruction ( Waner et al, 1995 ) or platelet consumption by the pulmonary arterial system ( Nelson & Couto, 2015 ). Anemia of inflammation is usually characterized by mild to moderate non-regenerative anemia associated with neutrophilic leukocytosis, hypoferremia, and increased storage of iron in tissues ( Bezerra et al, 2021 ). Eosinophilia and basophilia are commonly associated with allergic and parasitic infections ( Lilliehöök et al, 2000 ).…”

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confidence: 99%

Clinical and blood count findings in dogs naturally infected with Dirofilaria immiti

Bendas¹,

Alberigi²,

Galardo³

et al. 2022

Braz. J. Vet. Med.

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Dirofilaria immitis is a nematode that infects canids worldwide as well as other mammalian species, including humans. Worms and dogs are well adapted to one another, making dogs the best urban host for the parasite. Nevertheless, 30% of dogs do not sufficiently present microfilaremia, that is, the low larval load impairs transmission by mosquitoes and diagnosis by its detection in the blood samples. Therefore, the canine diagnosis must always include a microfilaria test and serological tests to detect adult worm antigens. To describe the clinical findings in naturally infected dogs in Rio de Janeiro, 34 dogs were included in the study. All dogs were evaluated for history, anamnesis, physical examination, complete blood count (CBC), D. immitis testing for antigens (ELISA test SNAP 4Dx Plus®), and microfilarial burden. The most frequent complaint from the owners was coughing (14.7%, 5/34). The most common CBC finding was eosinophilia (29.4%), followed by thrombocytopenia (26.5%) and neutrophilia (14.7%). Of the 34 animals, 91.2% were microfilaremic, with a mean count of 11.939 microfilaria/mL. Veterinarians working in areas endemic to D. immitis should always undergo screening tests and pulmonary auscultation, and increased expiratory sounds, even in the absence of coughing, can be considered a sign of the disease, along with eosinophilia, thrombocytopenia, and neutrophilia.

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Section: Introductionmentioning

confidence: 99%

Clinical and blood count findings in dogs naturally infected with Dirofilaria immiti

Bendas¹,

Alberigi²,

Galardo³

et al. 2022

Braz. J. Vet. Med.

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The Distribution, Diversity, and Control of Dirofilariosis in Brazil: A Comprehensive Review

Chocobar,

Schmidt,

Weir

et al. 2024

Animals

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Brazil’s extensive coastline, tropical and subtropical climate, and well-preserved environment represent a conducive setting for dirofilariosis, a zoonotic mosquito-borne disease. Although this condition has long been recognised in the country, it has been relatively under-studied, and it is currently considered to be an emerging disease. Diagnosis, treatment, and control remain challenging due to the extensive gaps in knowledge. In order to help address this issue, this review aims to (i) summarise the available literature on the distribution of Dirofilaria spp. in Brazilian dogs over the last decade, (ii) review case reports of dirofilariosis in cats, wild animals, and humans over the last twenty years, and (iii) highlight the benefits of taking a One Health approach to managing this disease. While there have been several prevalence studies in dogs, disease distribution is poorly characterised in cats, and little is known about the occurrence of the parasite in wildlife. Human cases are sporadically reported, and no large-scale studies have been undertaken to date. Evidence indicates that Dirofilaria immitis is the main species circulating in Brazil, although Dirofilaria repens has also been detected. Molecular studies have also suggested the circulation of a highly virulent form of D. immitis, which may be genetically distinct from those of the Old World. A programme of epidemiological, ecological, genomic, and pathogenicity-based studies is required to quantify the impact of dirofilariosis in Brazil on both veterinary and public health and to inform others on its control.

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Perfil epidemiológico, hematológico e bioquímico em cães com Dirofilaria sp. no Ceará

Cited by 2 publications

References 22 publications

Clinical and blood count findings in dogs naturally infected with Dirofilaria immiti

Clinical and blood count findings in dogs naturally infected with Dirofilaria immiti

The Distribution, Diversity, and Control of Dirofilariosis in Brazil: A Comprehensive Review

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