Pleural effusion-related Nocardia otitidiscaviarum, Anaplasma platys and Ehrlichia canis coinfection in a dog

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorBauru Veterinary Center-
Autor(es): dc.contributorMidwestern State University (UNICENTRO)-
Autor(es): dc.contributorFederal University of Mato Grosso (UFMT)-
Autor(es): dc.creatorGarcia Ribeiro, Márcio-
Autor(es): dc.creatorda Silva, Carolina Polo Camargo-
Autor(es): dc.creatorPchevuzinske, Larissa Marry-
Autor(es): dc.creatorPortilho, Fábio Vinícius Ramos-
Autor(es): dc.creatorSiqueira, Amanda Keller-
Autor(es): dc.creatorTakahira, Regina Kiomi-
Autor(es): dc.creatorPaschoal, Natália Rodrigues-
Autor(es): dc.creatorde Souza, Adriana Aparecida Lopes-
Autor(es): dc.creatorRodrigues, Carolina Aparecida-
Autor(es): dc.creatorde Almeida, Beatriz Oliveira-
Autor(es): dc.creatorBello, Thaís Spessotto-
Autor(es): dc.creatorFilho, Marcelo Fagali Árabe-
Autor(es): dc.creatorde Lima Paz, Patrik Júnior-
Autor(es): dc.creatorDutra, Valéria-
Autor(es): dc.creatorNakazato, Luciano-
Autor(es): dc.creatorPereira, Nathalia Assis-
Autor(es): dc.creatorde Aguiar, Daniel Moura-
Data de aceite: dc.date.accessioned2025-08-21T19:46:29Z-
Data de disponibilização: dc.date.available2025-08-21T19:46:29Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2023-09-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1007/s42770-023-01029-8-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/299353-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/299353-
Descrição: dc.descriptionThe coinfections by some microorganisms have been related to severe diseases in humans and animals, where immunosuppressive agents favor opportunistic behavior of other pathogens. A 4-month-old, female mixed-breed dog with a two-week history of inappetence, prostration, emaciation, and respiratory distress was admitted at a veterinary hospital in Brazil. Tachycardia, pale mucous membranes, severe respiratory distress, and a large number of ticks (Rhipicephalus sanguineus s.l.) in different body regions were observed at clinical examination. Hematological examination of dog showed leukocytosis, neutrophilia, mild anemia, and thrombocytopenia, whereas unremarkable values in biochemical tests. Thoracic radiography revealed a pleural effusion image. Blood and the pleural fluid (purulent aspect) samples were subjected to qPCR (16S rRNA and dsb genes) and sequencing, which identified Ehrlichia canis and Anaplasma platys coinfection. An aggregate of coccoid-to-branching or long filamentous microorganisms, surrounded by pyogranulomatous inflammatory reaction was seen at the cytology of the pleural fluid. Bacteriological culture of pleural effusion showed colonies compatible with the genus Nocardia, which revealed gram-positive filamentous organisms with a tendency of fragmentation and were identified as Nocardia otitidiscaviarum in mass spectrometry (MALDI-TOF MS). Therapy of N. otitidiscaviarum isolate using levofloxacin (supported by a previous in vitro susceptibility testing) and doxycycline for E. canis and A. platys resulted in complete resolution of the clinical picture. Here, we report for the first time a triple coinfection by Nocardia otitidiscaviarum, A. platys, and E. canis in a dog with pleural effusion, where debilitating or immunosuppressive conditions induced by A. platys and E. canis coinfection probably contributed to the opportunistic behavior of N. otitidiscaviarum.-
Descrição: dc.descriptionSchool of Veterinary Medicine and Animal Sciences São Paulo State University (UNESP), SP-
Descrição: dc.descriptionVeterinary clinic of companion animals Bauru Veterinary Center, SP-
Descrição: dc.descriptionMidwestern State University (UNICENTRO), PR-
Descrição: dc.descriptionFaculty of Veterinary Medicine Federal University of Mato Grosso (UFMT), MT-
Descrição: dc.descriptionSchool of Veterinary Medicine and Animal Sciences São Paulo State University (UNESP), SP-
Formato: dc.format2497-2504-
Idioma: dc.languageen-
Relação: dc.relationBrazilian Journal of Microbiology-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectCanine cyclic thrombocytopenia-
Palavras-chave: dc.subjectCanine monocytic ehrlichiosis-
Palavras-chave: dc.subjectCanine tick-borne pathogens-
Palavras-chave: dc.subjectEmerging vector-borne pathogens-
Palavras-chave: dc.subjectNocardiosis-
Título: dc.titlePleural effusion-related Nocardia otitidiscaviarum, Anaplasma platys and Ehrlichia canis coinfection in a dog-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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