Infecção por Hepatozoon canis em canino doméstico na região Sul do Brasil confirmada por técnicas moleculares

Lasta, Camila Serina; Santos, Andrea Pires dos; Mello, Fabíola Peixoto da Silva; Lacerda, Luciana de Almeida; Messick, Joanne B.; González, Félix Hilario Díaz

doi:10.1590/s0103-84782009005000160

Cited by 14 publications

(11 citation statements)

References 18 publications

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“…However, studies by Gondim et al (1998) and Mundim et al (2008) reported anemia as the most frequent hematological alteration. In contrast, studies by O' Dwyer et al (2006) and Lasta et al (2009) did not detected significant hematological and biochemical alterations in dogs evaluated from Botucatu and Porto Alegre, respectively, which was similar to that observed in the present study. According to O'Dwyer (2011), hematological abnormalities, even if having significant association with H. canis infection can be related to coinfection with other blood parasites.…”

Section: Discussionsupporting

confidence: 87%

Canine hepatozoonosis in southeastern Bahia, Brazil

et al. 2016

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ABSTRACT. In Brazil, canine hepatozoonosis is a tick-borne subclinical hemoparasitosis caused by a protozoa Hepatozoon canis and is highly prevalent in dogs in rural areas. An epizootiological study was conducted to investigate the prevalence of H. canis in the canine population of Ituberá, Bahia, and to analyze any associated risk factors. Blood samples were collected from 380 dogs and determined the presence of the protozoan by performing capillary blood smear and polymerase chain reaction (PCR). Epizootiological data were collected by asking dog owners to answer a structured questionnaire. H. canis gamonts were not detected in the blood smears. However, PCR detected H. canis in 163/380 (42.9%) dogs examined. Physical examination and anamnesis indicated 105 (64.4%) positive asymptomatic dogs. Hematological alterations were observed in 115 (70.5%) infected dogs. No clinical, hematological, or epizootiological variable was found to be significantly associated to the infection. In conclusion, the high prevalence of H. canis infection in local dogs may be because of the peri-urban features of this municipality. Moreover, to the best of our knowledge, this study the first study to report H. canis infection in the State of Bahia.

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Section: Discussionsupporting

confidence: 87%

Canine hepatozoonosis in southeastern Bahia, Brazil

et al. 2016

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“…gamonts were observed in the peripheral blood of a dog, and the sequence confirmed that homology with H. canis existed. This was the first molecular detection of H. canis in southern Brazil (LASTA et al, 2009).…”

Section: Epidemiologymentioning

confidence: 89%

“…A molecular survey was conducted among dogs in Grenada, in the Caribbean, and 7% were positive for H. canis (YABSLEY et al, 2008 (MUNDIM et al, 1992(MUNDIM et al, , 1994(MUNDIM et al, , 2008a, Rio de Janeiro (MASSARD, 1979;O'DWYER et al, 2001;SÁ et al, 2007), Rio Grande do Sul (MASSARD, 1979;LASTA et al, 2009), São Paulo (GONDIM et al, 1998RUBINI et al, 2005;O'DWYER et al, 2006) and, most recently, Pernambuco (DANTAS-TORRES et al, 2010;RAMOS et al, 2010). This infection has also been detected in domestic cats: in São Paulo (PEREZ et al, 2004), with molecular characterization demonstrating high similarity with H. canis (RUBINI et al, 2006); and in Maranhão, with Hepatozoon DNA showing more similarity with H. felis (DE BORTOLI et al, 2011).…”

Section: Epidemiologymentioning

confidence: 99%

Brazilian canine hepatozoonosis

O’Dwyer

2011

Rev. Bras. Parasitol. Vet.

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The genus Hepatozoon includes hundreds of species that infect birds, reptiles, amphibians and mammals, in all continents with tropical and subtropical climates. Two species have been described in domestic dogs: H. canis, reported in Europe, Asia, Africa, South America and the United States; and H. americanum, which so far has only been diagnosed in the United States. In Brazil, the only species found infecting dogs is H. canis. The objective of this review was to detail some aspects of canine hepatozoonosis, caused by H. canis, and the main points of its biology, transmission, pathogenicity, symptoms, epidemiology and diagnostic methods, with emphasis on research developed in Brazil.

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“…No Brasil, a hepatozoonose canina já foi relatada na região Sudeste (O'DWYER et al, 2001;MUNDIM et al, 2008a;SPOLIDORIO et al, 2009), Centro-Oeste (MUNDIM et al, 2008bPALUDO et al, 2003;RAMOS et al, 2015) e Sul (LASTA et al, 2009). No Nordeste brasileiro, a prevalência da doença foi estudada apenas no Recife, estado de Pernambuco, por Ramos et al (2010) e, recentemente, por Rotondano et al (2015) …”

Section: O Cão Se Infecta Ao Ingerir Carrapatos Contendo Oocistos Madunclassified

Prevalência de hepatozoonose canina no município de Areia, Paraíba, Brasil

et al. 2016

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A hepatozoonose canina é uma doença parasitária de caráter debilitante, imunossupressora e de difícil diagnóstico clínico. A prevalência da doença em cães já foi descrita em vários estados brasileiros, todavia na região Nordeste os estudos ainda são escassos. Em virtude disso, o trabalho objetivou determinar a prevalência da hepatozoonose canina no município de Areia, Paraíba, Brasil. Os cães foram examinados clinicamente e foram colhidas amostras de sangue circulante e periférico (ponta de orelha). Das 151 amostras analisadas, 9,3% dos cães foram positivos para Hepatozoon canis, a partir da visualização de gamontes parasitando neutróilos. O grau de parasitemia variou de leve a intenso. As alterações hematológicas observadas foram diferentes entre os animais, não apresentando padrão de resposta à infecção. A forma subclínica foi observada em 50% dos cães e os demais apresentaram sinais clínicos inespecíicos. Conclui-se que há a ocorrência da hepatozoonose em cães da área urbana do município. Além disso, os cães infectados com H. canis apresentaram alterações hematológicas e sinais clínicos inespecíicos. Palavras-chave: Epidemiologia; Hematologia; Hemoparasita; Hepatozoon canis AbstractPrevalence of canine hepatozoonosis in Areia, Paraíba, Brazil. Canine hepatozoonosis is a parasitic disease of debilitating nature. Also, it is immunosuppressive and dificult to diagnose clinically. The prevalence of the disease in dogs has been described in several Brazilian states, but studies are still scarce in the Northeast region. Accordingly, this study aimed to determine the prevalence of canine hepatozoonosis in Areia, Paraíba, Brazil. The dogs were clinically examined, and peripheral blood samples were obtained from the tip of the ear. Of the 151 dogs analyzed, 9.3% were positive for Hepatozoon canis by the demonstration of gamonts parasitizing neutrophils. The degree of parasitemia ranged from mild to intense. The observed hematological changes were different between animals and showed no pattern of response to infection. The subclinical form Biotemas, 29 (1): 175-179, março de 2016 ISSNe 2175

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Infecção por Hepatozoon canis em canino doméstico na região Sul do Brasil confirmada por técnicas moleculares

Abstract: Infecção por

Cited by 14 publications

References 18 publications

Canine hepatozoonosis in southeastern Bahia, Brazil

Canine hepatozoonosis in southeastern Bahia, Brazil

Brazilian canine hepatozoonosis

Prevalência de hepatozoonose canina no município de Areia, Paraíba, Brasil

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