Description of the Occurrence of Canine Dirofilariasis in the State of Rio de Janeiro, Brazil

Labarthe, Norma; Almosny, Nádia Regina Pereira; Guerrero, Jorge; Duque-Araújo, Ana Maria

doi:10.1590/s0074-02761997000100010

Cited by 34 publications

(27 citation statements)

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“…Initially, it was enzootic in states along the Atlantic Coast; the Mississippi, Missouri, and Ohio rivers; and the Gulf Coast, where the prevalence can reach 48.8% (58,229,261), and new foci have been documented in central and Western states (Wyoming, Utah, Montana, California, Oregon, and Washington) (147). In Central and South America, dirofilariasis prevalence rates range from 20% to 42% in cities on the Gulf Coast of Mexico, from 20.4% to 63.2% in the Caribbean (the Bahamas, Curaçao, Cuba, the Dominican Republic, and Puerto Rico), from 2.3% to 45% in Brazil, and from 5% to 74% in Argentina (6,211,218,220,251,442). In Bolivia, dirofilariasis has been found in dogs and in wild canids (67,136) and has been found only in dogs in the Galapagos Islands of Ecuador (228).…”

Section: Canine Dirofilariasismentioning

confidence: 99%

Human and Animal Dirofilariasis: the Emergence of a Zoonotic Mosaic

et al. 2012

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SUMMARY Dirofilariasis represents a zoonotic mosaic, which includes two main filarial species ( Dirofilaria immitis and D. repens ) that have adapted to canine, feline, and human hosts with distinct biological and clinical implications. At the same time, both D. immitis and D. repens are themselves hosts to symbiotic bacteria of the genus Wolbachia , the study of which has resulted in a profound shift in the understanding of filarial biology, the mechanisms of the pathologies that they produce in their hosts, and issues related to dirofilariasis treatment. Moreover, because dirofilariasis is a vector-borne transmitted disease, their distribution and infection rates have undergone significant modifications influenced by global climate change. Despite advances in our knowledge of D. immitis and D. repens and the pathologies that they inflict on different hosts, there are still many unknown aspects of dirofilariasis. This review is focused on human and animal dirofilariasis, including the basic morphology, biology, protein composition, and metabolism of Dirofilaria species; the climate and human behavioral factors that influence distribution dynamics; the disease pathology; the host-parasite relationship; the mechanisms involved in parasite survival; the immune response and pathogenesis; and the clinical management of human and animal infections.

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Section: Canine Dirofilariasismentioning

confidence: 99%

Human and Animal Dirofilariasis: the Emergence of a Zoonotic Mosaic

et al. 2012

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“…Os estudos realizados no Brasil relatam maior prevalência em áreas costeiras, mas a infecção existe também distante do litoral 11 . Nenhuma investigação sobre a prevalência da dirofilariose canina foi realizada anteriormente na Ilha do Marajó.…”

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Focos de dirofilariose canina na Ilha do Marajó: um fator de risco para a saúde humana

Garcez

Souza

Mota

et al. 2006

Rev. Soc. Bras. Med. Trop.

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A ocorrência de dirofilariose pulmonar humana relaciona-se com a prevalência de infecção por Dirofilaria immitis na população canina. Várias espécies de mosquitos são vetores desse nematóide. Analisaram-se amostras de sangue canino coletados nas vilas Pingo d'Água e União, município de Salvaterra (Ilha do Marajó, PA), em junho, 2004 (n=34) e abril, 2005 (N=90). Os diagnósticos parasitológico e imunológico (ELISA - kit SNAP® 3DX™, Biobrasil) foram comparados (chi2, alfa=0,05) no exame de 34 amostras. A prevalência na população (N=90) foi avaliada pelo ELISA. O ELISA revelou mais positivos (25/34; 73,5%) que a gota espessa (23/34, 67,6%) e o Knott (21/34, 61,8%), mas a diferença não foi significativa (p>0,05). A freqüência de infecção por D. immitis na faixa de 0 a 2 anos foi 58%, enquanto em cães mais velhos foi 100%. A prevalência da dirofilariose canina em Pingo d'Água e Vila União foi alta (53,5%), indicando risco de transmissão do parasito às pessoas nessa área.

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“…Additionally, there have been some reports of migrations to the abdominal cavity 12,31 . In Brazil, LENT & FREITAS (1937) 25 21 observed, in Rio de Janeiro State, that 13.95% of dogs were microfilaremic and 7.98% of amicrofilaremic dogs had antigens detected by ELISA. In the same study, the region that included Maricá municipality was particularly noted for having a high prevalence, with 52.46% dogs demonstrating microfilaremia or the presence of circulating antigens.…”

Section: Introductionmentioning

confidence: 99%

“…The intermediate hosts are mosquitoes from several genera, such as Culex, Aedes and Anopheles. The parasite has a worldwide distribution, and several endemic areas have been described in Brazil 2,3,5,8,10,15,16,18,21,22,36,40 . Canids are the most adapted definitive hosts and are the primary reservoir for parasite transmission, but reports about feline and human infection are becoming more frequent, including in Brazil 4,6,24,33,39,42 .…”

Section: Introductionmentioning

confidence: 99%

Ectopic dirofilariosis in two dogs from Rio de Janeiro state, Brazil

Brener

Millar

Mattos

et al. 2012

Rev. Inst. Med. trop. S. Paulo

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SUMMARYReport of two canine dirofilariosis cases of ectopic location in the state of Rio de Janeiro. This is the first report of erratic migration for this parasitosis in dogs in the state, calling attention to the short period of time between the two cases. The fact that the area is endemic for this parasite, its zoonotic potential and the report of human cases in the state, demonstrates that authorities should be alerted to the control programs of dirofilariosis along with the pathogenic profile of the infections.

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Description of the Occurrence of Canine Dirofilariasis in the State of Rio de Janeiro, Brazil

Cited by 34 publications

References 1 publication

Human and Animal Dirofilariasis: the Emergence of a Zoonotic Mosaic

Human and Animal Dirofilariasis: the Emergence of a Zoonotic Mosaic

Focos de dirofilariose canina na Ilha do Marajó: um fator de risco para a saúde humana

Ectopic dirofilariosis in two dogs from Rio de Janeiro state, Brazil

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