| active cutaneous leishmaniasis in brazil, induced by leishmania donovani chagasi. | l.d. chagasi was isolated from active cutaneous leishmaniasis in both human and canine infections in an endemic area in rio de janeiro, brazil. both isolates were identified by molecular and immunological characterization of the parasite using three different methods: electrophoretic mobility of isoenzymes; restriction endonuclease fragment analysis of kdna and serodeme analysis using monoclonal antibodies. this seems to be the first well documented case in the new world of a "viscerotropic" lei ... | 1986 | 3574128 |
| canine visceral leishmaniasis in barra de guaratiba, rio de janeiro, brazil: assessment of risk factors. | barra de guaratiba is a coastal area of the city of rio de janeiro where american visceral leishmaniasis (avl) is endemic. although control measures including killing of dogs and use of insecticides have been applied at this locality, the canine seroprevalence remains at 25% and during 1995 and 1997 eight autochthonous human cases were notified. in order to evaluate factors related to the increase of the risk for leishmania (leishmania) chagasi infection in dogs we have screened 365 dogs by anti ... | 2003 | 12754572 |
| [leishmaniasis in domestic dogs: epidemiological aspects]. | in barra de guaratiba, an endemic area for american visceral leishmaniasis (avl) in rio de janeiro, brazil, control campaigns were unable to reduce canine infection rates. this difficulty prompted an in-depth study of dogs as a reservoir for leishmania chagasi in the peri-urban environment through clinical and serological follow-up using the immunofluorescence and western blot techniques. recognition of 29 kda and 32 kda peptides by sera from dogs with proven l. chagasi infection was observed. f ... | 2005 | 15692667 |
| identification of leishmania (leishmania) chagasi isolated from healthy skin of symptomatic and asymptomatic dogs seropositive for leishmaniasis in the municipality of rio de janeiro, brazil. | euthanasia of seropositive dogs has been one of the principal measures adopted by the program for the control of leishmaniasis in brazil for many years. however, its efficacy is currently being questioned. we obtained intact skin samples from 20 leishmania-reactive dogs from the municipality of rio de janeiro that had been referred for euthanasia. the promastigote forms of leishmania were isolated in culture from 18 of these animals. fourteen of these isolates were identified as leishmania (leis ... | 2004 | 15880235 |
| mixed infection with leishmania (viannia) braziliensis and leishmania (leishmania) chagasi in a naturally infected dog from rio de janeiro, brazil. | we report here the first case of co-infection with leishmania (viannia) braziliensis and leishmania (leishmania) chagasi in a naturally infected dog from rio de janeiro, brazil. isoenzyme characterisation identified the parasites isolated in culture from the cutaneous lesion as l. (v.) braziliensis and the isolates from blood and lymph node as l. (l.) chagasi. pcr analysis using specific primers followed by molecular hybridisation for direct leishmania species identification in tissue fragments ... | 2006 | 16257024 |
| first report of natural infection of a bush dog (speothos venaticus) with leishmania (leishmania) chagasi in brazil. | we report here the first known case of natural infection of a bush dog with leishmania (leishmania) chagasi in brazil. the specimen was captured in the wild in the state of mato grosso and is currently being held in captivity at fundação jardim zoológico, rio de janeiro, brazil. the leishmaniasis was diagnosed by culture of promastigote forms in intact skin fragments and their characterization by isoenzyme electrophoresis. this report calls attention to the parasitological and etiological contro ... | 2008 | 18036627 |
| [canine visceral leishmaniasis in maricá, state of rio de janeiro: first report of an autochthonous case]. | visceral leishmaniasis is a zoonosis of public health importance, and dogs represent one of the main problems. this paper describes the first autochthonous case of canine visceral leishmaniasis in the municipality of maricá. it provides new facts regarding the geographical distribution of leishmania (leishmania) chagasi in the state of rio de janeiro. | 2009 | 19287941 |
| visceral leishmaniasis in rio de janeiro, brazil: eco-epidemiological aspects and control. | from 1977 (index case) to 2006, 87 cases of visceral leishmaniasis were confirmed in the municipality of rio de janeiro, brazil, in periurban areas on the continental and coastal slopes of the pedra branca massif and the continental slopes of the gericinó massif. the majority (65.5%) of the patients were more than five years old, predominantly males (61.5%), but without any difference between the sexes below the age of 14 years. the overall fatality rate was 10.4%. two cases of visceral leishman ... | 2009 | 19967242 |
| laboratory tests performed on leishmania seroreactive dogs euthanized by the leishmaniasis control program. | in 2008, in the west zone of rio de janeiro municipality-brazil, the leishmaniasis control program identified 155 dogs with titers = 40 by indirect immunofluorescence (iif) on blood collected onto filter paper. the objective of this study was to describe the laboratory test findings performed in dogs euthanized by the leishmaniasis program control of rio de janeiro municipality. dogs were examined, subjected to euthanasia and collection of clinical specimens. parasite isolation was obtained in 2 ... | 2011 | 21349644 |
| canine visceral leishmaniasis: study of methods for the detection of igg in serum and eluate samples. | the brazilian ministry of health recommends the culling and euthanasia of dogs with a positive serological test for canine visceral leishmaniasis (cvl). in the municipality of rio de janeiro, the technique used for the diagnosis of cvl is the indirect fluorescent antibody test (ifat), using blood samples eluted on filter paper (eluate). a dog survey was conducted over a period of one year in the region of carapi+í, in order to evaluate the diagnosis of cvl in this region. all animals underwent c ... | 2010 | 21748226 |
| evaluation of leishmania (leishmania) chagasi strains isolated from dogs originating from two visceral leishmaniasis-endemic areas in brazil using multilocus enzyme electrophoresis. | domestic dogs are the most important reservoir in the peridomestic transmission cycle of leishmania (leishmania) chagasi. the genetic variability of subpopulations of this parasite circulating in dogs has not been thoroughly analyzed in brazil, even though this knowledge has important implications in the clinical-epidemiological context. | 2011 | 21860996 |
| disseminated intravascular coagulation in a dog naturally infected by leishmania (leishmania) chagasi from rio de janeiro - brazil. | disseminated intravascular coagulation (dic) is an acquired disorder characterized by the activation of intravascular coagulation and excessive fibrin formation. it always occurs in association with other clinical conditions, including parasitic diseases. dic has been described as a unusual complication in human and canine visceral leishmaniasis. | 2013 | 23497531 |
| first report of cutaneous leishmaniasis caused by leishmania (leishmania) infantum chagasi in an urban area of rio de janeiro, brazil. | american tegumentary leishmaniasis (atl) is an infectious disease caused by protozoa of the genus leishmania, and transmitted by sandflies. in the state of rio de janeiro, almost all of the cases of american tegumentary leishmaniasis (atl) are caused by leishmania (viannia) braziliensis, while cases of visceral leishmaniasis (vl) are caused by leishmania (leishmania) infantum chagasi. the resurgence of autochthonous vl cases in rio de janeiro is related to the geographic expansion of the vector ... | 0 | 26603237 |
| geographical expansion of canine visceral leishmaniasis in rio de janeiro state, brazil. | visceral leishmaniasis (vl) is a vector-borne disease that affects humans, and domestic and wild animals. it is caused by the protozoan leishmania (leishmania) infantum (syn = leishmania chagasi). the domestic dog (canis familiaris) is considered the main reservoir of the etiologic agent of vl in domestic and peridomestic environments. in the past three years, although control actions involving domestic dogs are routinely performed in endemic areas of the rio de janeiro state, new cases of canin ... | 0 | 26603233 |
| cutaneous and visceral leishmaniasis co-infection in dogs from rio de janeiro, brazil: evaluation by specific pcr and rflp-pcr assays. | during a diagnostic evaluation of canine visceral leishmaniasis (vl), two of seventeen dogs were found to be co-infected by leishmania (viannia) braziliensis and leishmania (leishmania) chagasi. | 2014 | 24861303 |
| canine cutaneous leishmaniasis caused by neotropical leishmania infantum despite of systemic disease: a case report. | visceral leishmaniasis is an anthropozoonosis caused by a protozoan leishmania infantum (syn. leishmania chagasi). here, we report a typical case of canine cutaneous leishmaniasis due to l. infantum infection without any other systemic symptom in one dog in the city of rio de janeiro, brazil. a mongrel female dog was admitted in a veterinary clinic with reports of chronic wounds in the body. physical examination revealed erosive lesions in the limbs, nasal ulcers, presence of ectoparasites and s ... | 2012 | 22583758 |
| outbreak of canine visceral leishmaniasis in barra mansa, state of rio de janeiro. | in brazil, visceral leishmaniasis (vl) has spread to various regions. this study reports canine cases of vl in barra mansa, where human vl cases were recently reported. | 2015 | 25626661 |
| first autochthonous case of canine visceral leishmaniasis in volta redonda, rio de janeiro, brazil. | in brazil, american visceral leishmaniasis (avl) is caused by leishmania (leishmania) chagasi and its main vector is lutzomyia longipalpis. cases of canine visceral leishmaniasis (cvl) in non-endemic areas have been reported over the last few years throughout the country. the objective of this research note is to describe an autochthonous case of cvl that occurred in the municipality of volta redonda, state of rio de janeiro, an area where the disease is not endemic, alerting veterinarians and t ... | 2013 | 24142177 |
| lutzomyia longipalpis (diptera: psychodidae: phlebotominae) in the region of saquarema: potential area of visceral leishmaniasis transmission in the state of rio de janeiro, brazil. | lutzomyia longipalpis is the main vector of leishmania infantum chagasi in the americas. | 2012 | 22370841 |