abstract：:A chronic infection (10 years) by Lagochilascaris minor is described in a woman from the amazon region of Colombia. This is the third case of infection by this parasite that has been described so far in Colombia, and only the first one in a person coming from the Colombian Amazon region. ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Moncada LI,Alvarez CA,Castellanos C,Caceres E,Nicholls S,Corredor A

更新日期：1998-11-01 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：: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：:A cross-sectional study on the prevalence of schistosomiasis mansoni in three sites of the "Baixada Ocidental Maranhense" was carried out in 1993 in: Alegre (in the municipality of São Bento), Aliança (in Cururupu) and Coroatá II (in the municipality of São João Batista). Results were compared to those of another stud...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Cutrim RN,Chieffi PP,de Moraes JC

更新日期：1998-05-01 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 clinical trial pilot study, double-blinded, randomized, and controlled with a placebo to assess the effectiveness of oral doxycycline (200 mg, single dose) in preventing leptospirosis after high exposure to potentially contaminated water was performed in São Paulo, SP, Brazil. Confirmed cases were defined as those w...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Gonsalez CR,Casseb J,Monteiro FG,Paula-Neto JB,Fernandez RB,Silva MV,Camargo ED,Mairinque JM,Tavares LC

更新日期：1998-01-01 00:00:00

abstract：:In the study of conjunctivitis outbreaks occurring from September 1994 to September 1996 in the region of Ribeirão Preto, conjunctival exudates of 92 patients were cultivated in Instituto Adolfo Lutz Laboratory I, Ribeirão Preto. Most cases occurred in the age range 2-7 years. The etiological agents which were most fr...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Medeiros MI,Neme SN,da Silva P,Silva JO,Carneiro AM,Carloni MC,Brandileone MC

更新日期：1998-01-01 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：: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：UNLABELLED:Coccidioidomycosis is an endemic infection with a relatively limited geographic distribution: Mexico, Guatemala, Honduras, Colombia, Venezuela, Bolivia, Paraguay, Argentina and the southwest of the United States. In these countries, the endemic area is restricted to the semiarid desert like regions which are...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Martins Mdos A,de Araújo Eda M,Kuwakino MH,Heins-Vaccari EM,Del Negro GM,Vozza Júnior JA,Lacaz Cda S

更新日期：1997-09-01 00:00:00

abstract：:Early in 1995 the first case of Hantavirus Pulmonary Syndrome was serologically confirmed in El Bolsón (Province of Río Negro, Argentina), corresponding to the third outbreak reported in Argentina. A total of 26 cases of HPS related to the Andean region of Rio Negro Province, were reported from 1993 to 1996, 17 in El ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Cantoni G,Lazaro M,Resa A,Arellano O,Amestoy AM,De Bunder S,Herrero E,Perez A,Larrieu E

更新日期：1997-07-01 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：: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：:Immunosuppressed animals respond poorly to schistosomal chemotherapy and a proper response can be restored by the administration of immune serum. Present study attempts to search whether immunological stimulation would increase drug effectiveness. Swiss mice infected with 50 S. mansoni cercariae were later treated wit...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Silva LM,Andrade ZA

更新日期：1997-01-01 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：: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：: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：: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：: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 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：:Recent human herpesvirus 6 (HHV-6) infection was detected in cases of exanthem subitum (ES) involving four children, aged 10 to 24 months, between April and August 1994, in Belém, Brazil. By using the indirect immunofluorescence antibody assay (IFA), significant increases (at least eight times) in antibody concentrati...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： de Freitas RB,Linhares AC,Oliveira CS,Gusmão RH,Linhares MI

更新日期：1995-11-01 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：:Abdominal angiostrongyliasis is a parasitic disease caused by Angiostrongylus costaricensis, a metastrongylid nematode with wide geographic distribution, occurring from the United States to Argentina. In Brazil, the disease has been reported from the States of Rio Grande do Sul, Santa Catarina, Paraná, São Paulo, Fede...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Pena GP,Andrade Filho J,de Assis SC

更新日期：1995-07-01 00:00:00

abstract：:In these experiments the ratio of male to female S. mansoni larvae in B. glabrata from Belo Horizonte and Ribeirão das Neves Minas Gerais, Brazil, either reared in laboratory or collected in the field, varied from 1:1 to 1:1.3 or 1.4:1. Cercariae of LE strain of Schistosoma mansoni, shed by 39 snails maintained at 25 ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： de Souza CP,Jannotti-Passos LK,Ferreira SS,Sampaio IB

更新日期：1995-07-01 00:00:00

abstract：:The response to interferon treatment in chronic hepatitis NANB/C has usually been classified as complete, partial or absent, according to the behavior of serum alanine aminotransferase (ALT). However, a more detailed observation of the enzymatic activity has shown that the patterns may be more complex. The aim of this...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： da Silva LC,Ono SK,Fonseca LE,Carrilho FJ,Mendes LC,França AV,Madruga CL,Laudanna AA

更新日期：1995-05-01 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：:Sixteen patients with endemic pemphigus foliaceus were submitted to nutritional evaluation. Ten had the localized form of the disease (Group G1) and six the disseminated form (Group G2). The patients were submitted to anthropometric measurements (weight, height, Quetelét index, tricipital skin fold, subscapular skin f...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Barraviera SR,Dillon NL,Curi PR,Pereira PC,de Almeida DB

更新日期：1995-01-01 00:00:00

abstract：:The snail density, levels of infection and the monthly production of Schistosoma mansoni cercariae by Biomphalaria glabrata were determined in a focus of Barreiro de Baixo (Belo Horizonte, MG, Brazil). During a period of 38 months (1984 to 1987) 5,366 snails were collected of which 324 (6.03%) were infected with S. ma...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： de Souza CP,Araújo N,Jannotti-Passos LK,Guimarães CT

更新日期：1994-11-01 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

abstract：:The expression of iron regulated proteins (IRPs) in vitro has been obtained in the past by adding iron chelators to the culture after bacterial growth, in the presence of an organic iron source. We have investigated aspects concerning full expression of the meningococcal IRPs during normal growth, in defined condition...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Brandileone MC,Zanella RC,Vieira VS,Sacchi CT,Milagres LG,Frasch CE

更新日期：1994-07-01 00:00:00

abstract：:The 4-year study (1987-1990) covered the major clinical-epidemiological characteristics of pneumonia in children as diagnosed at the emergency service of the Children's Hospital, as well as etiologies, and factors involved in the most severe cases. Etiology was determined in 47.7% of the 541 pneumonia cases, involving...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Hortal M,Suarez A,Deleon C,Estevan M,Mogdasy MC,Russi JC,Contera M,Meny M

更新日期：1994-05-01 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：: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：: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：: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：: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：:Lutzomyia verrucarum (Townsend, 1913) (Diptera: Psychodidae); the natural vector of Bartonella bacilliformis, agent of human bartonellosis (peruvian verruga or Carrion's disease), is a native species of Peru; its geographic distribution occurrs between latitudes 5 degrees and 13 degrees 25' South: in the Occidental an...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Caceres AG

更新日期：1993-11-01 00:00:00

abstract：:Numerous pulmonary schistosome egg granulomas were present in mice submitted to partial portal vein ligation (Warren's model). The granulomas were characterized by cellular aggregations formed within alveolar tissue. Main cellular types were macrophages (epithelioid cells), eosinophils, plasma cells and lymphocytes. T...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Vidal MR,Barbosa Júnior AA,Andrade ZA

更新日期：1993-09-01 00:00:00

abstract：:This paper reports a case of peritonitis by Nocardia asteroides during continuous ambulatory peritoneal dialysis in a man who had systemic lupus erythematous and chronic renal failure. Diagnosis was established by microscopic examination (Gram and Kinyoun) and culture of centrifuged dialysis fluid and the patient was ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Lopes JO,Alves SH,Benevenga JP,Salla A,Tatsch I

更新日期：1993-07-01 00:00:00

abstract：:The effect of anesthetic drugs on the localization of adult worms in albino mice was compared. The animals with 56 days of infection were anesthetized with pentobarbital sodium, ether or chloroform. Perfusion was carried out immediately after, recovering the worms and classifying them in relation to their localization...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Machado e Silva JR,de Lima MA,Rodrigues e Silva R,Maldonado Júnior A,Presgrave OA,Rey L

更新日期：1993-07-01 00:00:00