2010
DOI: 10.1590/s0100-736x2010001100012
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Patogênese e achados clínicos, hematológicos e anatomopatológicos da infecção por Rangelia vitalii em 35 cães (1985-2009)

Abstract: The pathogenesis, clinical, hematological and pathological features of the natural infection by the protozoan organism Rangelia vitalii (canine rangeliosis) was studied in 35 dogs that died due this condition. The results allow for the following set of conclusions on canine rangeliosis: (1) causes an exclusively extravascular immune mediated hemolysis; (2) is invariably associated with some degree of hemorrhage observed at necropsy, but no always clinically apparent; (3) the clinical signs that are the hallmar… Show more

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Cited by 39 publications
(52 citation statements)
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“…Rangeliosis is a disease caused by the piroplasm Rangelia vitalii (SOARES et al, 2011), which occurs mainly in southern Brazil (FIGHERA et al, 2010;FRANÇA et al, 2010). In Brazil, rangeliosis is diagnosed in wild canids using PCR (SOARES et al, 2014) and macroscopic and histological analyses (FREDO et al, 2015).…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…Rangeliosis is a disease caused by the piroplasm Rangelia vitalii (SOARES et al, 2011), which occurs mainly in southern Brazil (FIGHERA et al, 2010;FRANÇA et al, 2010). In Brazil, rangeliosis is diagnosed in wild canids using PCR (SOARES et al, 2014) and macroscopic and histological analyses (FREDO et al, 2015).…”
Section: Introductionmentioning
confidence: 99%
“…This piroplasm, which is transmitted by the tick Amblyomma aureolatum, can infect endothelial cells in addition to erythrocytes and leukocytes in the bloodstream (LORETTI & BARROS, 2005;FRANÇA et al, 2010), and the major changes occur due to hemolytic and hemorrhagic disorders. Fredo et al A diagnosis of this infection is made according to historical clinical signs (LORETTI & BARROS, 2005), peripherical blood smears (FRANÇA et al, 2010), fine needle aspiration (FNA) of lymph nodes and bone marrow, and gross and histopathological findings (LORETTI & BARROS, 2005;FIGHERA et al, 2010;) in addition to the molecular detection and identification of the agent (SOARES et al, 2011). At necropsy, infected dogs have lesions typical of a hemolytic disorder (FIGHERA et al, 2010), as evidenced by generalized jaundice, splenomegaly, lymphadenomegaly, and hemorrhage (LORETTI & BARROS, 2005).…”
Section: Introductionmentioning
confidence: 99%
“…Diversas são as doenças que como a leptospirose também cursam com icterícia ou com algum tipo de distúrbio hemorrágico em cães. Em nossa região, os principais diagnósticos diferenciais para leptospirose deverão incluir: rangeliose, babesiose, erlichiose monocitotrópica aguda e hepatite infecciosa canina (Fighera et al 2010). Em relação à infecção por Rangelia vitalii, Babesia spp.…”
Section: Discussionunclassified
“…A diferenciação entre essas três outras doenças deve levar em conta a presença (babesiose) ou a ausência (rangeliose e erliquiose) de nefrose hemoglobinúrica e a pesquisa dos microorganismos causadores em esfregaços sanguíneos e nas impressões de órgãos realizadas durante a necropsia (Fighera & Graça 2011). Por ϐim, na histologia, essas enfermidades são completamente diferentes de leptospirose (Fighera et al 2010). Na hepatite infecciosa canina, hemorragia é comum (Inkelmann et al 2007), mas icterícia é observada apenas ocasionalmente, como quando os cães desenvolvem doença subaguda a crônica (Barros & Fighera 2011).…”
Section: Discussionunclassified
“…A rangeliose canina é uma parasitose sistêmica caracterizada por anemia, icterícia, febre, esplenomegalia, linfadenomegalia, vômitos, hemorragias ao longo do trato gastrintestinal e por sangramentos persistentes na superfície auricular, na cavidade nasal e oral (FRANÇA, 2010;FIGHERA, 2010). Rangelia vitalii foi descrito pela primeira vez por Pestana (1910) e reavaliado por Carine e Maciel (1914), porém recentemente foi validado por técnicas moleculares (SOARES et al, 2011).…”
Section: Introductionunclassified