Intestinal parasitism in the Xavánte Indians, central Brazil.

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：:A study was carried out on the occurrence of Vibrio parahaemolyticus in 1,100 diarrheal feces, routinely sent to a private clinical laboratory for microbiologic diagnosis, in Recife. V. parahaemolyticus was isolated from 14 (1.3%) fecal samples. However, if we considered only the specimens from adult patients, the iso...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Magalhães V,Lima RA,Tateno S,Magalhães M

更新日期：1991-01-01 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：: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：:In order to study the chemoresistance of Plasmodium falciparum to commonly used antimalarial drugs in Brazil the authors have studied ten patients with falciparum malaria, acquired in the Brazilian Amazon region. Patients were submitted to in vivo study of drug sensitivity, after chemotherapy with either 4-aminoquinol...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Segurado AA,di Santi SM,Shiroma M

更新日期：1997-03-01 00:00:00

abstract：:Anopheles (Kerteszia) cruzii has been implicated as the primary vector of human and simian malarias out of the Brazilian Amazon and specifically in the Atlantic Forest regions. The presence of asymptomatic human cases, parasite-positive wild monkeys and the similarity between the parasites infecting them support the d...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Kirchgatter K,Tubaki RM,Malafronte Rdos S,Alves IC,Lima GF,Guimarães Lde O,Zampaulo Rde A,Wunderlich G

更新日期：2014-09-01 00:00:00

abstract：:Three patients with the diagnosis of subacute juvenile paracoccidioidomycosis who, at the time of their first visit, had no signs or symptoms of lung involvement were studied. Initially the diagnosis was confirmed by the observation of P. brasiliensis in biopsy material obtained from clinically involved lymphadenopath...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Restrepo A,Trujillo M,Gomez I

更新日期：1989-01-01 00:00:00

abstract：:Pathogenic Yersinia pestis isolates were collected during a plague outbreak at the Paraiba State in 1986. The Y. pestis isolates were investigated for the presence of virulence-associated factors and plasmid content. All strains analysed were proficient in the expression of the VW and fraction 1 antigens, pigment adso...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Leal NC,de Almeida AM,Ferreira LC

更新日期：1989-09-01 00:00:00

abstract：:The aim of this study was to evaluate the concordance between two versions of the scoring system (2011 and 2019), recommended by the Brazilian Ministry of Health, for the diagnosis of pulmonary tuberculosis (PTB) in children and adolescents. A retrospective descriptive study was performed to assess the medical records...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Carvalho RF,Carvalho ACC,Velarde LGC,Rossoni AMO,Aurilio RB,Sias SMA,Schmidt CM,Moreira ADSR,Martins PDS,Gonçalves LI,Martire TM,Barbosa APF,Santos APQD,Romanelli RMC,Oliveira MDGR,Diniz LMO,Carvalho AL,Lucena SC,Cruz

更新日期：2020-10-30 00:00:00

abstract：:The aim of this cross-sectional study was to determine, among medical students at a public university in Rio de Janeiro, Brazil, the acceptance of the pandemic influenza A/H1N1 vaccine during the 2010 mass immunization campaign and the vaccine safety in this group and, among unvaccinated students, the reasons for refu...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Souza EP,Teixeira Mde S

更新日期：2012-03-01 00:00:00

abstract：:Forty children with a diagnosis of Visceral Toxocariasis were evaluated prospectively from February 1982 to June 1989. Diagnosis was established by clinical, laboratory and serological (ELISA - ES Toxocara canis antigen) evaluations. A great clinical polymorphism was found in our patients, ranging from unspecific or a...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Jacob CM,Pastorino AC,Peres BA,Mello EO,Okay Y,Oselka GW

更新日期：1994-01-01 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：: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 (CR) is a subcutaneous chronic mycosis characterized by a granulomatous inflammatory response. However, little is known regarding the pattern of leukocyte subsets in CR and the pathways involved in their recruitment. The objective of this study was to assess the cellular subsets, chemokine, chemoki...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Sá VC,Silva TA,Reis CM,Cunha FQ,Figueiredo F,Bocca AL

更新日期：2007-01-01 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：:Systematic examination of the upper respiratory and digestive tracts (URDT) was performed in a group of 80 paracoccidioidomycosis (PCM) patients submitted to post-treatment follow-up ranging from 8 months to 17 years. Mucosae of the URDT had been involved prior to specific treatment in 74 patients, distributed as foll...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： do Valle AC,Aprigliano Filho F,Moreira JS,Wanke B

更新日期：1995-09-01 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：: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：:Twenty seven cases of neurocysticercosis, with clinical picture of acute meningitis, are described. Twenty (74.1%) patients are male; the age was 4 to 42 years (23.6 +/- 11.7 years). The etiologic diagnosis was defined by the complement fixation test (Weinberg) and/or enzyme-linked immunosorbent assay (ELISA) for cyst...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Bonametti AM,Baldy JL,Bortoliero AL,de Maio CM,Passos Jdo N,Takata PK,de Pauli DS,Guimarães JC,Anzai ET,Elisbão Mdo C

更新日期：1994-01-01 00:00:00

abstract：:Treatment with dexamethasone (DMS) in the early phases of the experimental Schistosoma mansoni infection causes an indirect effect on the cercaria-schistosomulum transformation process. This is observed when naive albino mice are treated with that drug (50 mg/Kg, subcutaneously) and infected intraperitoneally 01 hour ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： de Melo AL,Hermeto MV,Bicalho RS,Vargas AP,Favaretto FJ,Pereira LH

更新日期：1994-01-01 00:00:00

abstract：:Even though there are data published on HPV epidemiology in Ecuador, the distribution of genotypes in Guayaquil, the largest city in the country, has not been previously determined in a study including including both, men and women. The present study aimed to determine the distribution of 37 HPV genotypes in genital s...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Muentes GDG,García MAM,Galárraga RIB,Ollague K,Wachter CV,Cabezas JCR

更新日期：2019-08-19 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：:Staphylococcal Coagglutination was used as method for a rapid identification of mycoplasmas that could be performed by non specialized laboratories. Suspensions of Staphylococcus aureus (Cowan I) sensitized with rabbit antibodies against NCTC mycoplasma strains have identified these microorganisms and the strains isol...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Timenetsky J,Curcio M

更新日期：1993-11-01 00:00:00

abstract：:The insecticidal effect of six commercially available plant oils was tested against 4th larval instars of Culex pipiens. Larvae were originally collected from Meit El-Attar, Qalyubia Governorate, Egypt, and then reared in the laboratory until F1 generation. The LC50 values were 32.42, 47.17, 71.37, 83.36, 86.06, and 1...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Khater HF,Shalaby AA

更新日期：2008-03-01 00:00:00

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：:Cryptosporidium spp. are important cause of enteric disease in humans, but may also infect animals. This study describes the relative frequency of several Cryptosporidium species found in human specimens from HIV infected patients in the São Paulo municipality obtained from January to July 2007. Sequence analysis of t...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Lucca Pd,De Gaspari EN,Bozzoli LM,Funada MR,Silva SO,Iuliano W,Soares RM

更新日期：2009-10-01 00:00:00

abstract：:The frequency and class of immediate-type hypersensitivity manifestations were studied in 494 snakebitten and scorpion stung patients who were treated with intravenous injections of antivenom sera. These patients were admitted to HC-FMRPUSP from 1983 to 1988. The effectiveness of a hypersensitivity skin test was also ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Cupo P,Azevedo-Marques MM,de Menezes JB,Hering SE

更新日期：1991-03-01 00:00:00

abstract：:In view of the high circulation of migratory birds and the environmental and climatic conditions which favor the proliferation of arthropods, the Brazilian Pantanal is susceptible to circulation of arboviruses. However, the amount of data concerning arbovirus vectors in this area is scarce; therefore the aim of this s...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Pauvolid-Corrêa A,Tavares FN,Alencar J,Silva Jdos S,Murta M,Serra-Freire NM,Pellegrin AO,Gil-Santana H,Guimarães AE,Silva EE

更新日期：2010-01-01 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：:The prevalence of thermotolerant Campylobacter in diarrhoeic and healthy children as well as in dogs, hens, ducks and pigeons was determined in Southern Chile. Campylobacter were found in 34.5% of the faecal samples examined. The isolation rate of Campylobacter in diarrhoeic and healthy children was 16.3% and 6.4% res...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Fernández H,Kahler K,Salazar R,Ríos MA

更新日期：1994-09-01 00:00:00