Hantavirus pulmonary syndrome in the Province of Rio Negro, Argentina, 1993-1996.

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：:Leptospirosis is a globally distributed zoonosis with a broad clinical spectrum. This disease mostly affects liver and kidney tissues. Other organs such as the pancreas, can be affected by leptospirosis-induced vasculitis. In addition, cardiac manifestations are common, and the presence of transient ECG abnormalities ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Gomes PEAC,Brilhante SO,Carvalho RB,Sousa DR,Daher EF

更新日期：2019-12-20 00:00:00

abstract：:Pleural effusions are rare events accompanying histoplasmosis, and in general they are associated with acute forms of the disease. It is described here a case of histoplasmoma associated with pleuritic pain and pleural effusion. ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： de Almeida MC,Vianna LG,Moraes MA

更新日期：1990-09-01 00:00:00

abstract：UNLABELLED:Hepatitis C virus (HCV) is an important factor contributing to morbidity and mortality in patients co-infected with HIV and HCV. In addition, liver biopsy is an important tool in the clinical management of these patients. Although liver biopsy is controversial, it is recommended for all patients. Data regard...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Mendes-Correa MC,Widman A,Brussi ML,Guastini CF,Cavalheiro Nde P,Melo CE,Barone AA,Gianini RJ

更新日期：2008-07-01 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：: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：:Molluscs with shells very similar to Oncomelania nosophora were collected at Pedro Leopoldo and Lagoa Santa counties, MG, Brazil. They were identified, according to shell and soft part morphology, as Idiopyrgus souleyetianus. The others hidrobioids identified in Brazil are also listed. ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Lima LC,de Souza CP

更新日期：1990-03-01 00:00:00

abstract：:A case of subcutaneous phaeohyphomycosis caused by Cladophialophora sp. is reported. The patient, an immunosuppressed host presented a nodule on the dorsum of the right hand which relapsed four months after excision. Dematiaceous septate hyphal and yeast like elements were seen in mycological and histological examinat...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Fernandes NC,Nacif D,Akiti T,Cuzzi T

更新日期：2007-03-01 00:00:00

abstract：:Cryptosporidium spp. and Cystoisospora belli are monoxenic protozoa that have been recognized as the causative agents of chronic diarrhea in immunocompromised individuals, especially HIV-infected subjects. The objective of this study was to evaluate the frequency of these intestinal protozoa in HIV-positive patients i...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Assis DC,Resende DV,Cabrine-Santos M,Correia D,Oliveira-Silva MB

更新日期：2013-01-01 00:00:00

abstract：:The authors report clinical features and therapeutic response of 24 outpatients with acute Chagas' disease, and 3 in the initial chronic phase, referred to the Clinic for Infectious and Parasitic Diseases of the FMUSP "Clínicas" Hospital between 1974 and 1987. The following transmission routes were involved: triatomin...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Shikanai-Yasuda MA,Lopes MH,Tolezano JE,Umezawa E,Amato Neto V,Barreto AC,Higaki Y,Moreira AA,Funayama G,Barone AA

更新日期：1990-01-01 00:00:00

abstract：:Cranial CT scans of eleven immunocompetent children with central nervous system (CNS) infection due to Cryptococcus neoformans var. gattii were retrospectively reviewed. These children had an average age of 8.8 years and positive culture for C. n. var. gattii in cerebrospinal fluid. The most common signs and symptoms ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Correa Mdo P,Severo LC,Oliveira Fde M,Irion K,Londero AT

更新日期：2002-09-01 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：: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：: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：: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：: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：: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：: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：: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：: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：: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：:Two xenic isolates and cloned cultures of Entamoeba dispar were submitted to monoxenization using Crithidia fasciculata as the associated organism. Growth in monoxenic cultivation and ability of xenic and monoxenic trophozoites to destroy VERO cells and produce lesions in hamster livers were compared to those of a vir...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Costa AO,Gomes MA,Rocha OA,Silva EF

更新日期：2006-09-01 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：:Stenotrophomonas maltophilia has emerged as an important opportunistic pathogen in the last decade. Increased resistance to sulfamethoxazole/trimethoprim (SMX/TMP) has been reported in S. maltophilia strains in the past few years, leading to few therapeutic options. We conducted a prospective multicenter study at two ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Mendes ET,Paez JIG,Ferraz JR,Marchi AP,Silva ILAFE,Batista MV,Lima ALM,Rossi F,Levin AS,Costa SF

更新日期：2020-12-07 00:00:00

abstract：:The high mortality rates associated with candidemia episodes and the emergence of resistance to antifungal agents necessitate the monitoring of the susceptibility of fungal isolates to antifungal treatments. The new, recently approved, species-specific clinical breakpoints (SS-CBPs)(M27-S4) for evaluating susceptibili...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Santos ER,Dal Forno CF,Hernandez MG,Kubiça TF,Venturini TP,Chassot F,Santurio JM,Alves SH

更新日期：2014-11-01 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：: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

abstract：:The aim of this article is to present an investigation of cure rate, after long follow up, of specific chemotherapy with benznidazole in patients with both acute and chronic Chagas disease, applying quantitative conventional serological tests as the base of the criterion of cure. Twenty one patients with the acute for...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Cancado JR

更新日期：2002-01-01 00:00:00

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：: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