Diagnosis of canine dirofilariasis, by ELISA test, in the State of São Paulo

Authors

  • Maria Helena Matiko Akao Larson Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, São Paulo, SP
  • Margareth Preterote
  • Regina Meiko Meiko Sakata Mirandola Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, São Paulo, SP

DOI:

https://doi.org/10.11606/issn.1678-4456.bjvras.1992.51957

Keywords:

Dirofilaria immitis, Dirofilariasis in dogs, Diagnosis, São Paulo (Brazil)

Abstract

The occult dirofilariasis is considered a great diagnostic problem and may be related to: a) pre-patent infections; b) infections caused by worms of one only sex; c) parasites sterility due to the age or induced by drugs action; d) iirmune mediate response. The present study estimated the prevalence of the dirofilariasis in dogs in São Paulo State by means R TM of the ELISA test (CITER Semi-Quant TM Canine Heartworm Antigen Test Kit) as well as it tried to caracterize the cause of the circulating microfilaraemia absence using subsidiary exams. From 244 examined sera, 35 (14.34%) showed to be positive. From these, 20 presented one or more alternations (radiographic/ haematologic/eletrocardiographic), besides the positive ELISA test, which were compatible with dirofilariasis diagnosis. In the 15 animals left, which were assintomatic and seropositive by means of the ELISA test, no pre-patent infection was possible in spite of being to the infection risk for 6 months. Also the parasite sterility in consequence to drugs action was no observed

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Published

1992-06-01

Issue

Vol. 29 No. 1 (1992)

Section

ANIMAL PATHOLOGY

License

The journal content is authorized under the Creative Commons  BY-NC-SA  license (summary of the license: https://creativecommons.org/licenses/by-nc-sa/4.0 | full text of the license: https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode) 

How to Cite

1.
Larson MHMA, Preterote M, Mirandola RMMS. Diagnosis of canine dirofilariasis, by ELISA test, in the State of São Paulo. Braz. J. Vet. Res. Anim. Sci. [Internet]. 1992 Jun. 1 [cited 2025 Apr. 12];29(1):93-6. Available from: https://revistas.usp.br/bjvras/article/view/51957