Chagas disease in the Brazilian Amazon: IV. a new cross-sectional study.

abstract：:The vasoactive intestinal peptide (VIP) expression is lower in cardiac chagasic patients and is related to worse cardiac function. The reduction of VIP in patients with Chagas disease may be a result of its enhanced degradation. To test this hypothesis, the tryptase and chymase expression was evaluated. We also relate...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Pereira FB,Dutra WO,Gollob KJ,Reis EA,Oliveira ALG,Rocha MODC,Menezes CADS

更新日期：2018-10-22 00:00:00

abstract：:An epidemiological survey with histoplasmin skin test was performed in 392 poultry farmers and 265 workers considered without occupational risk of exposition to Histoplasma capsulatum, etiologic agent of histoplasmosis. The results were positive in 28.8% and 13.2% in both groups respectively. Statistically, there was ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Suárez Hernández M,Fernández Andreu CM,Estrada Ortiz A,Cisneros Despaigne E

更新日期：1992-07-01 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：:Intestinal parasitic infections are prevalent throughout many countries. This study aimed to determine the prevalence of intestinal parasite carriers among 21,347 expatriate workers, including food handlers and housemaids attending the public health center laboratory in Sharjah, UAE. Stool sample collection was perfor...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Dafalla AIA,Almuhairi SASO,AlHosani MHJ,Mohamed MY,Alkous MIA,AlAzzawi MA,Abakar AD,Nour BYM,Hasan H,AbuOdeh RO,ElBakri A

更新日期：2017-12-21 00:00:00

abstract：:Three isolates over 5 years from a patient with persistent relapsing mucosal leishmaniasis due to Leishmania (Viannia) braziliensis and 7 clones from one of these isolates were studied by zymodemes and serodemes analysis. Results showed evidences of clonal phenotypic variation. Eight isoenzymes markers demonstrated cl...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Cuba-Cuba CA,Evans D,Rosa Ade C,Marsden PD

更新日期：1991-09-01 00:00:00

abstract：:Haptoglobin assay, a highly sensitive method to detect intravascular hemolysis was carried out in the sera of 19 patients referred to Hospital Vital Brazil with the cutaneous form of loxoscelism in order to investigate the occurrence of mild intravascular hemolysis. Data from this series did not show decreased levels ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Morena P,Nonoyama K,Cardoso JL,Barretto OC

更新日期：1994-03-01 00:00:00

abstract：:Public parks are leisure environments widely used by both, adults and children, often accompained by their pets. Soil contamination of these environments by enteric viruses and intestinal parasites occurs through these animals feces. The aim of this work was to detect Carnivore protoparvovirus 1 (CPV-1) and different ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Eisen AKA,Demoliner M,Oliveira KG,Troian EA,Mallmann L,Filippi M,Almeida PR,Spilki FR

更新日期：2019-11-25 00:00:00

abstract：:This paper reports the findings of a survey for intestinal parasites among the Xavánte Indians from Central Brazil. A. lumbricoides (25.0%) and hookworms (33.6%) were the two most common helminths; E. histolytica complex (7.8%) and G. lamblia (8.6%) the most common protozoans. The majority (58.5%) of positive individu...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Santos RV,Coimbra Júnior CE,Flowers NM,Silva JP

更新日期：1995-03-01 00:00:00

abstract：:Giardia duodenalis isolates from asymptomatic or symptomatic patients and from animals present similarities and differences in the protein composition, antigenic profile, pattern of proteases and isoenzymes, as well as in nucleic acids analysis. In the present overview, these differences and similarities are reviewed ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Guimarães S,Sogayar MI,de Franco MF

更新日期：1999-01-01 00:00:00

abstract：:This study evaluated the whole blood immunochromatographic card test (ICT card test) in a survey performed in Northeastern Brazil. 625 people were examined by the thick blood film (TBF) and ICT card test. Residents of a non-endemic area were also tested by the whole blood card test and Og4C3. The sensitivity of the IC...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Braga C,Dourado MI,Ximenes RA,Alves L,Brayner F,Rocha A,Alexander N

更新日期：2003-05-01 00:00:00

abstract：:Patients infected with the Human Immunodeficiency Virus (HIV) often have opportunistic infections, among which strongyloidiasis and coccidiosis are the most common parasitic infections that aggravate their health status. This study examined the prevalence of intestinal parasites, particularly of Strongyloides stercora...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Barcelos NB,Silva LFE,Dias RFG,Menezes Filho HR,Rodrigues RM

更新日期：2018-03-08 00:00:00

abstract：:Sample preparation and DNA extraction protocols for DNA amplification by PCR, which can be applied in human fecal samples for taeniasis diagnosis, are described. DNA extracted from fecal specimens with phenol/chloroform/isoamilic alcohol and DNAzol reagent had to be first purified to generate fragments of 170 pb and 6...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Nunes CM,Lima LG,Manoel CS,Pereira RN,Nakano MM,Garcia JF

更新日期：2006-01-01 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：:Lagochilascariasis is a neglected neotropical helminthiasis, responsible for human infections through the ingestion of raw or undercooked meat from wild animals infected by larvae encysted in their tissues. It is characterized by a chronic evolution with periods of remission and recurrences, affecting mainly the head ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Assy JGPL,Esper HR,Quiroga MMM,Brandão ADS,Said RDC,Pinheiro OC,Ribeiro APDS,Santo MCCDE,França FOS

更新日期：2020-11-09 00:00:00

abstract：:The development of small ultrasonographic equipment has permitted to incorporate this technique to the methods of early detection of Human Hydatidosis. 689 echographies were carried out in this experience, and 5.51% of compatible images in the whole population, and 12.24% in groups of risk (those living together with ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Larrieu E,Frider B,Andreani G,Andreani G,Aquino A,De La Fuente R

更新日期：1989-07-01 00:00:00

abstract：:Evaluation of TNF-alpha in patients with Kala-azar has drawn increasing interest due to its regulatory role on the immune system, in addition to its cachetizing activity. The objective of this study was to examine the association between plasma levels of TNF-alpha, measured by immunoreactivity (ELISA) and bioactivity ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Salomão R,Castelo Filho A,de Medeiros IM,Sicolo MA

更新日期：1996-03-01 00:00:00

abstract：:Thirty Candida albicans isolated from oral candidosis patients and 30 C. albicans isolated from control individuals were studied. In vitro susceptibility tests were performed for amphotericin B, fluconazole, 5-flucytosine and itraconazole through the Clinical and Laboratorial Standards Institute (CLSI) reference metho...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Koga-Ito CY,Lyon JP,Resende MA

更新日期：2008-01-01 00:00:00

abstract：:A 39-year old male patient was admitted to the University Hospital of the Faculty of Medicine of Ribeirão, Preto with signs and symptoms of sudden dyspnea, generalized myalgia and behavioral disorders. The initial suspicion was alcohol abstinence syndrome and the patient was referred for psychiatric and neurologic car...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Silva JM,Silva AA,Ferreira AH,Monteiro ME,Santiago RC,Passos AD

更新日期：1997-05-01 00:00:00

abstract：:A panoramic sight of epidemiological, clinical and experimental studies, referring to Loxosceles laeta and loxoscelism, carried out in 1955-1988, in Santiago, Chile is presented. Two-hundred and sixteen cases of loxoscelism were studied. The most relevant features were: 84.3% corresponded to cutaneous loxoscelism (CL)...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Schenone H,Saavedra T,Rojas A,Villarroel F

更新日期：1989-11-01 00:00:00

abstract：:In human toxocariasis, there are few approaches using immunological markers for diagnosis and therapeutic assessment. An immunoblot (IB) assay using excretory-secretory Toxocara canis antigen was standardized for monitoring IgG, IgE and IgA antibodies in 27 children with toxocariasis (23 visceral, three mixed visceral...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Rubinsky-Elefant G,Hoshino-Shimizu S,Jacob CM,Sanchez MC,Ferreira AW

更新日期：2011-03-01 00:00:00

abstract：:This study aims to assess the association between schistosomiasis and hookworm infection with hemoglobin levels of schoolchildren in northern Mozambique. Through a cross-sectional survey, 1,015 children from five to 12 years old in the provinces of Nampula, Cabo Delgado and Niassa were studied. Hookworm infection and ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Casmo V,Augusto G,Nala R,Sabonete A,Carvalho-Costa FA

更新日期：2014-05-01 00:00:00

abstract：:Four hundred and fifteen cases of bites by adult Bothrops jararaca (group A) were admitted to the Hospital Vital Brasil between 1981 and 1987. These cases were compared to 562 cases of bites by young snakes of the same species (group B) during the same period and at the same hospital. In group B blood incoagulability ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Ribeiro LA,Jorge MT

更新日期：1990-11-01 00:00:00

abstract：:The aim of this study was to compare the fecundity and fertility of B. glabrata and B. straminea by cross- and self-fertilization. To attain this objective, laboratory-raised strains of B. glabrata and B. straminea were used. The former originated from natural breeding grounds in the municipality Paulista, state of Pe...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Costa MJ,Grault CE,Confalonieri UE

更新日期：2004-05-01 00:00:00

abstract：:A cross-sectional study was carried out among 996 volunteer blood donors enrolled from May 1999 to December 1999 to determine the seroprevalence of hepatitis E virus (HEV) infection among volunteer blood donors of the Regional Blood Bank of Londrina, State of Paraná, Brazil, and to evaluate whether the rate of seropre...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Bortoliero AL,Bonametti AM,Morimoto HK,Matsuo T,Reiche EM

更新日期：2006-03-01 00:00:00

abstract：:The formalin-Tween sedimentation method was compared with the formalin-ether sedimentation for parasitic detection. Of a total 297 fecal specimens examined, 72.1% were positive. The formalin-tween technique was effective for ascertaining helminths, particularly Ascaris lumbricoides, Trichuris trichiura and hookworm eg...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Methanitikorn R,Sukontason K,Sukontason KL,Piangjai S

更新日期：2003-09-01 00:00:00

abstract：:Field collections of immatures and adults of Culicidae were carried out in the Rio Doce Valley, Espírito Santo State, aiming to increase knowledge on the anopheline species of that region. Considering all Culicidae species collected, among other anopheline it is noteworthy the presence of Anopheles darlingi, An. oswal...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Natal D,Urbinatti PR,Malafronte Rdos S,Rezende HR,Cerutti C Jr,Sallum MA

更新日期：2007-09-01 00:00:00

abstract：:A serological screening was performed in 615 individuals aged 0-87 years, living in the city of Cordoba, Argentina to study the relationship between antibody prevalence for the SLE virus and age. A 13.98% prevalence of neutralizing antibodies was obtained and its relation to age was significantly high (p = 0.045). The...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Spinsanti LI,Ré VE,Díaz MP,Contigiani MS

更新日期：2002-03-01 00:00:00

abstract：:The aim of this study was to evaluate the effects of the protein-calorie malnutrition in BALB/c isogenic mice infected with Lacazia loboi, employing nutritional and histopathological parameters. Four groups were composed: G1: inoculated with restricted diet, G2: not inoculated with restricted diet, G3: inoculated with...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Barbosa AS,Diório SM,Pedrini SC,Nunes AJ,Belone Ade F,Silva SM,Sartori BG,Calvi SA,Vilani-Moreno FR,Pereira PC

更新日期：2015-09-01 00:00:00

abstract：:Surfacen® is an exogenous natural lung surfactant, composed by phospholipids and hydrophobic proteins, which is applied successfully in Newborn Respiratory Distress Syndrome. In this paper, in vitro activity of Surfacen® against Leishmania amazonensis is described. The product showed activity against the amastigote fo...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Blanco O,Lugones Y,Díaz E,Monzote L

更新日期：2011-07-01 00:00:00

abstract：:The nematode Calodium hepaticum (syn. Capillaria hepatica) is a zoonotic helminth found mainly infecting rats. It was studied the prevalence of C. hepaticum infection in Rattus norvegicus in an urban area of Rio de Janeiro (Brazil), with low urban planning and sanitation. The presence of C. hepaticum was identified th...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Simões RO,Luque JL,Faro MJ,Motta E,Maldonado A

更新日期：2014-09-01 00:00:00