Comparative study on the localization of adult Schistosoma mansoni worms in albino mice anesthetized with pentobarbital sodium, ether or chloroform.

abstract：:Paracoccidioidomycosis is a chronic granulomatous disease that induces a specific inflammatory and immune response. The participation of nitric oxide (NO), a product of the inducible nitric oxide synthase enzyme (iNOS), as an important fungicidal molecule against Paracoccidioides brasiliensis has been demonstrated. In...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Batista AC,Soares CT,Lara VS

更新日期：2005-09-01 00:00:00

abstract：:We report a case of a 42 year-old female, who came to a leishmaniasis reference center in Rio de Janeiro, Brazil, presenting a cutaneous leishmaniasis lesion in the right forearm. Treatment with low-dose intramuscular meglumine antimoniate (MA) (5 mg Sb5+/kg/day) was initiated, with improvement after 28 days, although...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Ferreira e Vasconcellos Ede C,Pimentel MI,Valete-Rosalino CM,Madeira Mde F,Schubach Ade O

更新日期：2014-07-01 00:00:00

abstract：:Envenomation by coral snakes (Micrurus sp.) is one of the most dangerous injuries in America and it is considered as a serious medical emergency, however bites by these snakes appear to be rare. We analyzed epidemiological data, clinical signs and antivenom use in Argentina during the period between 1979-2003. During ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： de Roodt AR,De Titto E,Dolab JA,Chippaux JP

更新日期：2013-01-01 00:00:00

abstract：:We present a case of prenatal diagnosis of congenital rubella. After birth, in addition to traditional serologic and clinical examinations to confirm the infection, we could identify the virus in the "first fluid aspirated from the oropharynx of the newborn", using polimerase chain reaction (PCR). We propose that this...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Pedreira DA,Haiek DB,Okay TS,Russo EM,Proença RS,Falcão MC,Zugaib M

更新日期：1997-11-01 00:00:00

abstract：:A total of 73 isolates (57 Enterobacter cloacae and 16 Enterobacter agglomerans), recovered during an outbreak of bacteremia in the Campinas area, São Paulo, Brazil, were studied. Of these isolates, 61 were from parenteral nutrition solutions, 9 from blood cultures, 2 from a sealed bottle of parenteral nutrition solut...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Gonçalves CR,Vaz TM,Leite D,Pisani B,Simoes M,Prandi MA,Rocha MM,Cesar PC,Trabasso P,von Nowakonski A,Irino K

更新日期：2000-01-01 00:00:00

abstract：:Extended-spectrum beta-lactamases (ESBL) in enterobacteria are recognized worldwide as a great hospital problem. In this study, 127 ESBL-producing Enterobacteriaceae isolated in one year from inpatients and outpatients at a public teaching hospital at São Paulo, Brazil, were submitted to analysis by PCR with specific ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Dropa M,Balsalobre LC,Lincopan N,Mamizuka EM,Murakami T,Cassettari VC,Franco F,Guida SM,Balabakis AJ,Passadore LF,Santos SR,Matté GR,Matté MH

更新日期：2009-07-01 00:00:00

abstract：:Two cases of ectopic cutaneous schistosomiasis are described. Both patients presented with abdominal papular skin lesions, which on biopsy were found to contain granulomas with Schistosoma mansoni eggs. Twenty-five other cases were retrieved from the literature. Most patients were female, mean age 24.9 year, with a pr...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Andrade Filho Jde S,Lopes MS,Corgozinho Filho AA,Pena GP

更新日期：1998-07-01 00:00:00

abstract：:American tegumentary leishmaniasis (ATL) is one of the most important but neglected infectious diseases, and can cause severe deformities. ATL incidence remains high in forest regions, such as in the Amazonas State, Brazil. However, differences within the State and over time have been observed, since infection pattern...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Teles GDC,Fonseca FR,Gonçalves MJF

更新日期：2019-01-01 00:00:00

abstract：:The pathogenesis of chronic chagasic myocarditis remains incompletely understood. Several hypotheses have been proposed: (1) direct tissue destruction by Trypanosoma cruzi; (2) neurogenic theory; (3) anti-heart immune reactions; and (4) microvascular disease. We present herein a dynamic alternative hypothesis. We beli...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Rossi MA,Mengel JO

更新日期：1992-11-01 00:00:00

abstract：:Wild rodents have been described as the most important hosts for Angiostrongylus costaricensis in Central America and southern Brazil. Sinantropic rodents apparently do not play a significant role as natural hosts. A search for natural infection failed to document worms in 14 mice captured in the house of a patient wi...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： dos Santos FT,Pinto VM,Graeff-Teixeira C

更新日期：1996-05-01 00:00:00

abstract：:[This corrects the article doi: 10.1590/S1678-9946201860051]. ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors：

更新日期：2018-10-11 00:00:00

abstract：:The recognition profile of the tissue cysts antigens by IgG antibodies was studied during acute and chronic human toxoplasmic infection. Thus the IgG response against Toxoplasma gondii was investigated by immunoblotting in two patients accidentally infected with the RH strain as well as in group of naturally infected ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Villavedra M,Carol H,Nieto A

更新日期：1998-03-01 00:00:00

abstract：:A 73 year-old white male, living in the interior of the state of Mato Grosso do Sul, in central Brazil, after an initial diagnosis of sinusitis was transferred to the neurology service with a 3-day evolution of intracranial hypertension. Exams showed lymphocytic leukemia and a tumor-like lesion, either an expanding in...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Salgado PR,Gorski AG,Aleixo AR,de Barros EO

更新日期：1996-07-01 00:00:00

abstract：:The objective of this study was to evaluate the larvicidal activity of diterpenoids obtained from the oil-resin of Copaifera reticulata against Aedes aegypti larvae, the principal vector of dengue and urban yellow fever. Four diterpenes were obtained from oil-resin extraction with organic solvents and subsequent chrom...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Geris R,Silva IG,Silva HH,Barison A,Rodrigues-Filho E,Ferreira AG

更新日期：2008-01-01 00:00:00

abstract：:A 37-year-old male patient, Fitzpatrick skin phototype IV, a student living in Belem, Amazon region, in 2015 had a confirmed diagnosis of acquired immunodeficiency virus (HIV) infection, but did not initiate antiretroviral treatment at his own option. Three years after the diagnosis, erythematous maculae appeared on t...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Pires CAA,Monteiro JCMS,Rego RM,Lodi VJC

更新日期：2020-01-17 00:00:00

abstract：:Nosocomial infection among male patients in a public psychiatric hospital was studied and the definitions for use in long-term care facilities were employed for diagnosis. The overall nosocomial infection rate was 6.7 per 1,000 day inpatients; 55.6% of these infections were identified in the respiratory tract, 50% of ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Almeida RC,Pedroso RP

更新日期：1999-11-01 00:00:00

abstract：:Sensitivity, specificity and positive predictive values of selected clinical signs and symptoms in the diagnosis of Schistosoma mansoni infection were evaluated in 403 individuals (69% of inhabitants over 1 year of age) in an endemic area in Brazil (Divino). Highest sensitivity (13%) was found for blood in stools. Spe...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： de Lima e Costa MF,Rocha RS,Colley D,Gazzinelli G,Katz N

更新日期：1991-01-01 00:00:00

abstract：:In order to contribute to a better understanding of the forms of acquisition of hepatitis C virus (HCV) in Brazil, with special emphasis on sexual transmission, we determined the presence of HCV infection in regular partners and in non-sexual home communicants of blood donors seen at Fundação Pró-Sangue Hemocentro de ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Tengan FM,Eluf-Neto J,Cavalheiro NP,Barone AA

更新日期：2001-05-01 00:00:00

abstract：:Exoantigens (exo) from Leptomonas seymouri and Crithidia fasciculata were used in an enzyme linked immunosorbent assay (ELISA), showing 100% reactivity with sera from visceral leishmaniasis (VL) cases, and no reactivity with American tegumentary leishmaniasis (ATL) ones. Our results have indicated that these exoantige...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Kesper N,Teixeira MM,Lindoso JA,Barbieri CL,Umezawa ES

更新日期：2017-04-03 00:00:00

abstract：:Capnocytophaga is a group of facultative anaerobic gram-negative bacteria present in the oral cavity of humans, dogs and cats, as part of their normal oral flora. Here, we described two cases of bloodstream infections (BSI) caused by Capnocytophaga in neutropenic autologous hematopoietic stem cell transplantation (aut...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Mendes FR,Bruniera FR,Schmidt J,Cury AP,Rizeck C,Higashino H,Oliveira FN,Rossi F,Rocha V,Costa SF

更新日期：2020-01-01 00:00:00

abstract：:Leptospirosis is a reemerging zoonosis caused by bacteria of the genus Leptospira sp. with global importance in the medical and veterinary fields, being responsible for about 59 thousand deaths each year in the world. The use of Geographic Information Systems (GIS) in the health sector is propitious and has been adopt...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Souza IPO,Uberti MS,Tassinari WS

更新日期：2020-06-05 00:00:00

abstract：:Cryo-microtome sections of larvae of Strongyloides stercoralis and S. ratti respectively obtained from human and rat feces cultures, were used as antigens. Fluoresceinate conjugates against human IgG were employed at the ideal titer of 10 for S. stercoralis and 100 for S. ratti. The sensitivity of the indirect immunof...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Costa-Cruz JM,Bullamah CB,Gonçalves-Pires Mdo R,Campos DM,Vieira MA

更新日期：1997-11-01 00:00:00

abstract：:Supernatant of boiled spleen saline-suspensions of Yersinia pestis experimentally infected animals were used as template for PCR amplification without DNA extraction. PCR sensitivity was enhanced by a second round of amplification (Nested). No amplification was observed from non-infected animals. ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Leal NC,Abath FG,Alves LC,de Almeida AM

更新日期：1996-09-01 00:00:00

abstract：:Human cryptosporidiosis is an infection caused by Cryptosporidium spp, a coccidial protozoan of emergencial pathogenicity and responsible for severe and prostrating watery diarrhea, mainly in immunocompromised patients. Smears of stools submitted to concentration and staining by carbol fuchsin technique has been used ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Martinez I,Belda Neto FM

更新日期：2001-03-01 00:00:00

abstract：:The objective of this study was to verify the occurrence of intestinal parasites in 3 to 6-year-old children from daycare centers maintained by the municipal government of Belo Horizonte, Minas Gerais, Brazil. Coproparasitological tests performed in 472 children have shown that 24.6% of them had some type of parasites...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Menezes AL,Lima VM,Freitas MT,Rocha MO,Silva EF,Dolabella SS

更新日期：2008-01-01 00:00:00

abstract：:The contaminated soil with mammal feces is an important factor of risk to infection with zoonotic diseases. Amongst these zoonoses are visceral larva migrans and cutaneous larva migrans caused by Toxocara spp. and Ancylostoma spp., respectively. The aim of this study was to assess the environmental contamination by To...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Marques JP,Guimarães Cde R,Boas AV,Carnaúba PU,Moraes Jd

更新日期：2012-09-01 00:00:00

abstract：:We describe the production of the potential monoclonal antibodies (MoAbs) using BALB/c mice immunized with vesicular fluid (VF)-Tcra (T. crassiceps) antigen. Immune sera presented anti-VF-Tcra (<20kD) IgG and IgM antibodies with cross-reactivity with T. solium (Tso) antigen (8-12, 14, and 18 kD). After cell fusion, we...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Espíndola NM,De Gaspari EN,Nakamura PM,Vaz AJ

更新日期：2000-05-01 00:00:00

abstract：:In late 2019, the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) emerged as the cause of a cluster of pneumonia cases in China, and the corresponding disease was designated as Coronavirus Disease 2019 (COVID-19), spreading quickly around the world resulting in a pandemic. COVID-19 is associated with a se...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Vechi HT,Maia LR,Alves MDM

更新日期：2020-09-04 00:00:00

abstract：:This study was conducted to assess the presence of schistosomiasis mansoni in the "Noroeste de Minas" mesoregion, an area considered non-endemic. A malacologic survey and parasitologic stool examinations were undertaken in 13 municipalities of the mesoregion. A sample of 3,283 primary school students was submitted to ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Carvalho OS,Massara CL,Guerra HL,Campos YR,Caldeira RL,Chaves A,Katz N

更新日期：1998-09-01 00:00:00

abstract：:The mutagenic activities of 16 anti-parasite drugs were screened by the Simultest in both qualitative (spot test) and quantitative (plate incorporation) assays with a Salmonella typhimurium pool composed by the indicator strains TA97, TA98, TA100 and TA102. Four anti Chagas' disease drugs (nifurtimox, benznidazole, CL...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Melo ME,Ferreira LC

更新日期：1990-07-01 00:00:00