Validation of a rapid stool antigen test for diagnosis of Helicobacter pylori infection.

abstract：:Among the 424 serum samples examined, the prevalence of hepatitis virus infection turned out to be 89.6%, with 15.6% of HBsAg positivity. Some of the samples belonged to an afferent population and some other to workers of a West Africa rural hospital (Pop. Rep. of Benin). 27.3% of the positive subjects presented activ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Zanchetta N,Vigano P,Ferrario MP,Priuli GB,Djigbenoude O,Nardi GP,Pagano A

更新日期：1990-01-01 00:00:00

abstract：:A series of already published and unpublished seroepidemiological surveys for toxoplasmosis, carried out in Chile in 1982-1994, is reviewed, expanded and analyzed. The surveys included 76,317 apparently healthy individuals of different ages (0.57% of the country's total population), from 309 urban and rural-periurban ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Contreras M,Schenone H,Salinas P,Sandoval L,Rojas A,Villarroel F,Solis F

更新日期：1996-11-01 00:00:00

abstract：:Formalin-killed promastigotes (FKP) of Leishmania major, in combination with Montanide ISA 720 (MISA), BCG or alum were used in vaccination of an inbred murine model against cutaneous leishmaniasis (CL). Significant and specific increases in anti-FKP IgG responses were detected for both alum-FKP and BCG-FKP compared t...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Mutiso JM,Macharia JC,Mutisya RM,Taracha E

更新日期：2010-03-01 00:00:00

abstract：:The availability of an ultramicroanalytic system (SUMA) and species-specific antigen of M. leprae obtained by chemical synthesis, have made possible the standardization and validation of an ultramicroELISA assay for detecting specific human IgM antibodies to this mycobacterium. The specificity of this test to demonstr...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Laferte J,Abreu EG,Robaina R,Verez V

更新日期：1991-11-01 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：:Cytomegalovirus (CMV) infection is the most common congenital infection, affecting 0.4% to 2.3% newborns. Most of them are asymptomatic at birth, but later 10% develop handicaps, mainly neurological disturbances. Our aim was to determine the prevalence of CMV shed in urine of newborns from a neonatal intensive care un...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Santos DV,Souza MM,Gonçalves SH,Cotta AC,Melo LA,Andrade GM,Brasileiro-Filho G

更新日期：2000-05-01 00:00:00

abstract：:Escherichia coli causes various ailments such as septicemia, enteritis, foodborne illnesses, and urinary tract infections which are of concern in the public health field due to antibiotic resistance. Silver nanoparticles (AgNP) are known for their biocompatibility and antibacterial activity, and may prove to be an alt...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Ashmore D,Chaudhari A,Barlow B,Barlow B,Harper T,Vig K,Miller M,Singh S,Nelson E,Pillai S

更新日期：2018-01-01 00:00:00

abstract：:Publications are often used as a measure of research work success. Human T-lymphotropic virus (HTLV) type 1 and 2 are human retroviruses, which were discovered in the early 1980s, and it is estimated that 15-20 million people are infected worldwide. This article describes a bibliometric review and a coauthorship netwo...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： González-Alcaide G,Ramos JM,Huamaní C,Mendoza Cd,Soriano V

更新日期：2016-01-01 00:00:00

abstract：:Between April 2003 and May 2009 phlebotomine sandflies were collected in Parque do Sabiá complex, Uberlândia municipality, Minas Gerais State, Brazil, using CDC and Shannon traps. The objective was to associate the sandfly species captured to the risk of the transmission of leishmaniasis in the municipality. The 126 c...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Rodrigues Ede A,Andrade Filho JD,Limongi JE,Paula MB

更新日期：2011-09-01 00:00:00

abstract：:Two cases of spontaneous bacterial peritonitis (SBP) caused by Listeria monocytogenes in cirrhotic patients are reported. In one of the cases, the microorganism was isolated from pleural effusion and ascites. SBP is a serious and common complication of patients with ascites caused by hepatic cirrhosis and the culture ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Toyoshima MT,Apanavicius A,de Matos Soeiro A,de Almeida GM,Arai MH

更新日期：2006-09-01 00:00:00

abstract：:Fasciolosis is a widespread parasitosis of farm live-stock in many developing countries. For this reason, it is necessary to search for new substances against parasitic diseases caused by flukes. Indeed, a wide variety of terrestrial plants have been subjected to chemical and pharmacological screening in order to disc...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Hamed N,Njeh F,Damak M,Ayadi A,Mezghani-Jarraya R,Hammami H

更新日期：2015-12-01 00:00:00

abstract：:The objective of the present study was to estimate the prevalence of herpes simplex virus type 2 (HSV 2) antibodies in child bearing women of 2 Brazilian populations with different socioeconomic status and to determine the risk of neonatal HSV exposure by means of maternal cultures at the onset of labor. The study was...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Weinberg A,Canto CL,Pannuti CS,Kwang WN,Garcia SA,Zugaib M

更新日期：1993-05-01 00:00:00

abstract：:Trypanosoma cruzi (Schyzotrypanum, Chagas, 1909), and Chagas disease are endemic in captive-reared baboons at the Southwest Foundation for Biomedical Research, San Antonio, Texas. We obtained PCR amplification products from DNA extracted from sucking lice collected from the hair and skin of T. cruzi-infected baboons, ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Argañaraz ER,Hubbard GB,Ramos LA,Ford AL,Nitz N,Leland MM,Vandeberg JL,Teixeira AR

更新日期：2001-09-01 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 currently known distribution range of Achatina fulica Bowdich, 1822, in the state of São Paulo, Brazil, is presented. The record of A. fulica naturally infested with Aelurostrongylus abstrusus larvae (Railliet, 1898) (Nematoda: Metastrongylidae) can be found in the city of Guaratinguetá. It was found A. fulica wit...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Ohlweiler FP,Guimarães MC,Takahashi FY,Eduardo JM

更新日期：2010-07-01 00:00:00

abstract：:A finding of vertical transmission of the DEN 3 virus in male specimens of Aedes aegypti, collected in the 2009 fall-winter period, in Puerto Iguazú city, Misiones, Argentina, using the RT-PCR technique in a 15-specimen pool is reported. This result is analyzed within the context of the epidemiological situation of Ar...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Espinosa M,Giamperetti S,Abril M,Seijo A

更新日期：2014-03-01 00:00:00

abstract：:The aim of the present work was to determine the prevalence of IgG and IgM anti-Toxoplasma gondii antibodies and the factors associated to the infection in pregnant women attended in Basic Health Units in Rolândia, Paraná, Brazil. The sample was divided in two groups: group I (320 pregnant women who were analyzed from...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Dias RC,Lopes-Mori FM,Mitsuka-Breganó R,Dias RA,Tokano DV,Reiche EM,Freire RL,Navarro IT

更新日期：2011-07-01 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

abstract：:Between April and October 2002, thirty fortnightly collections of oysters (Crassostrea rhizophorea) from a natural oyster bed at the Cocó River estuary in the Sabiaguaba region (Fortaleza, Ceará, Brazil) were carried out, aiming to isolate Aeromonas spp. strains. Oyster samples were submitted to the direct plating (DP...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Evangelista-Barreto NS,Vieira RH,Carvalho FC,Torres RC,Sant'Anna ES,Rodrigues DP,Reis CM

更新日期：2006-05-01 00:00:00

abstract：:Two naturally infected dogs (male and female) from Teófilo Otoni (MG-Brazil) were maintained for 18 months in our laboratory. Two other dogs, two months old males were infected with 1 x 10(6) promastigotes of MHO/BR/70/BH46 Leishmania (Leishmania) chagasi strain, endovenous route, and autopsied after 10 months and two...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Tafuri WL,Michalick MS,Dias M,Genaro O,Leite VH,Barbosa AJ,Bambirra EA,da Costa CA,Melo MN,Mayrink W

更新日期：1989-05-01 00:00:00

abstract：:Therapy of coccidioidomycosis continues to evolve. For primary pulmonary disease, antifungal therapy is frequently not required while prolonged courses of antifungals are generally needed for those in whom extrathoracic disseminated has occurred. Intravenous amphotericin B should be reserved for those with severe dise...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Ampel NM

更新日期：2015-09-01 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：:Although Candida albicans is the main cause of fungal esophagitis, other species such as C. tropicalis, C. krusei and C. stellatoidea have also been implicated. Several studies have identified risk factors for C. albicans esophagitis. However, data for non-C. albicans species is still sparse. The aim of this study was...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Kliemann DA,Pasqualotto AC,Falavigna M,Giaretta T,Severo LC

更新日期：2008-09-01 00:00:00

abstract：:The administration of viable Bifidobacterium animalis was tested to induce resistance against Strongyloides venezuelensis infection in mice. Effects on parasite burden, worm length, egg output, and intestinal mucosal histology were evaluated. The oral administration of B. animalis, strain 04450B, starting 14 days befo...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Oliveira-Sequeira TC,David ÉB,Ribeiro C,Guimarães S,Masseno AP,Katagiri S,Sequeira JL

更新日期：2014-03-01 00:00:00

abstract：:Chagas disease and the leishmaniases are endemic zoonoses of great importance to public health in the state of Piauí, Brazil. The domestic dog (Canis familiaris) is a major reservoir, host of Trypanosoma cruzi and Leishmania spp. in both urban and rural areas, playing an important role in the transmission of these par...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Perez TD,Figueiredo FB,Junior AA,Silva VL,Madeira MF,Brazil RP,Coura JR

更新日期：2016-11-03 00:00:00

abstract：:Experiments were carried out to test the susceptibility of Biomphalaria tenagophila to the infection with strain SJ of Schistosoma mansoni in the F1, F2 and non-selected parental generation. The potential adaptation of B. tenagophila to desiccation, in healthy mollusks and those exposed to the larvae of S. mansoni of ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Ohlweiler FP,Kawano T

更新日期：2002-07-01 00:00:00

abstract：:Chromoblastomycosis (CBM) is a chronic subcutaneous infection caused by several dematiaceous fungi. The most commonly etiological agent found in Brazil is Fonsecaea pedrosoi, which appears as thick walled, brownish colored cells with transverse and longitudinal division in the lesions, called "muriform cells". This di...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Vidal MS,de Castro LG,Cavalecate SC,Lacaz Cda S

更新日期：2003-11-01 00:00:00

abstract：:Thirty eight paralysis cases classified as Guillain-Barré syndrome (GBS) in Brazil were analysed. In all these cases Sabin-related poliovirus vaccine strains were isolated. In most of the cases the last vaccine dose was given months or years before the onset of GBS, suggesting a persistent infection or the transmissio...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Friedrich F,Filippis AM,Schatzmayr HG

更新日期：1996-01-01 00:00:00

abstract：:The municipality of Cantagalo is an area with sustained transmission of American Cutaneous Leishmaniasis (ACL). Monthly sand fly collections were performed for three years (June 2012 - May 2015) using a CDC light trap. A total of 3,310 specimens belonging to 12 species were trapped: Nyssomyia intermedia, Nyssomyia whi...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Peres-Dias QN,Oliveira CD,Souza MB,Meira Ade M,Villanova CB

更新日期：2016-07-11 00:00:00

abstract：:Infrapopliteal mycotic aneurysm resulting from endocarditis is rare, with only a few reported cases. We describe the case of a 28-year-old male patient who was suffering with pain and edema in the right leg. The ultrasound revealed an aneurysm of the right tibioperoneal trunk and a deep vein thrombosis (DVT). The pati...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Belczak SQ,Sincos IR,Teivelis MP,de Oliveira CA,Fragoso H,Aun R

更新日期：2012-05-01 00:00:00