2017
DOI: 10.1590/s1984-29612017040
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Abstract: Rangelia vitalii, a tick-borne piroplasm that infects dogs, has been recently molecularly characterized in Brazil, Uruguay and Argentina. Studies on molecular characterization of these piroplasms in different Brazilian regions are scarce. The aim of this study was to evaluate clinical and hematological changes in dogs caused by R. vitalii in the mountainous region of the state of Rio de Janeiro. Blood samples from 36 dogs were evaluated for piroplasms and hematological disorders using light microscopy and mole… Show more

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Cited by 17 publications
(14 citation statements)
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“…Moreover, bleeding in other sites may also occur, especially in the form of petechiae and suffusions in the skin, oral mucosa and nasal planum (FIGHERA et al, 2010). Anemia with the presence of anisocytosis, polychromasia and Howell-Jolly bodies was found in the CBC of dogs testing positive by PCR for piroplasmids in this study, and such findings are also reported in the literature (FIGHERA, 2007;FIGHERA et al, 2010;FRANÇA et al, 2010;LEMOS et al, 2017). Thrombocytopenia, another frequent finding among dogs positive for R. vitalii in this study, has also been reported in dogs with rangeliosis, in response to defects in platelet aggregation associated with impaired release of adenosine diphosphate (ADP) (PAIM et al, 2012;LEMOS et al, 2017).…”
Section: Discussionsupporting
confidence: 88%
“…Moreover, bleeding in other sites may also occur, especially in the form of petechiae and suffusions in the skin, oral mucosa and nasal planum (FIGHERA et al, 2010). Anemia with the presence of anisocytosis, polychromasia and Howell-Jolly bodies was found in the CBC of dogs testing positive by PCR for piroplasmids in this study, and such findings are also reported in the literature (FIGHERA, 2007;FIGHERA et al, 2010;FRANÇA et al, 2010;LEMOS et al, 2017). Thrombocytopenia, another frequent finding among dogs positive for R. vitalii in this study, has also been reported in dogs with rangeliosis, in response to defects in platelet aggregation associated with impaired release of adenosine diphosphate (ADP) (PAIM et al, 2012;LEMOS et al, 2017).…”
Section: Discussionsupporting
confidence: 88%
“…These facts are not valid for R. vitalii, which was also analyzed in this study. Even so, the presence of only one domestic dog positive for R. vitalii infection is an interesting finding because this protozoan uses A. aureolatum as its only known vector (Gottlieb et al, 2016;Lemos et al, 2017;Soares et al, 2018). Noteworthy, the dog that presented infection by R. vitalii was also seropositive for R. parkeri.…”
Section: Discussionmentioning
confidence: 99%
“…Rangelia vitalii is the etiological agent of canine Rangeliosis, a serious piroplasmosis that affects domestic dogs in Brazil, Uruguay and Argentina (Eiras et al, 2014;Lemos et al, 2012Lemos et al, , 2017Rivero et al, 2017;Soares et al, 2011). It is a protozoan that belongs to the Phylum Apicomplexa, Order Piroplasmorida, which infects dogs, is transmitted by ticks of the species Amblyomma aureolatum, and causes an extravascular hemolytic disorder (Soares et al, 2018).…”
Section: Case Reportmentioning
confidence: 99%