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Revista da Sociedade Brasileira de Medicina Tropical

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[This corrects the article doi: 10.1590/0037-8682-0243-2015] [This corrects the article doi: 10.1590/0037-8682-0454-2015].
September 19, 2016: Revista da Sociedade Brasileira de Medicina Tropical
Recep Tekin, Serdar Onat, Rojbin Ceylan Tekin
No abstract text is available yet for this article.
July 2016: Revista da Sociedade Brasileira de Medicina Tropical
Marcos Mendes de Barros Negreiros, Seizo Yamashita, Trajano Sardenberg, Edson Luiz Fávero, Felipe Augusto Horácio Ribeiro, William Teixeira Haddad, Vidal Haddad
Injuries caused by fish are common in marine and freshwater environments. Catfish of the Ariidae and Pimelodidae families cause about 80% of those injuries. One of the complications of injuries caused by fish is the retention of fragments of the stinger in the wounds. Here we report five cases (of a total of 127 injuries caused by catfish in the Brazilian coast) in which the retained fragments were detected by radiological examination. Retained fragments should be considered in patients stung by catfish. A simple X-ray is sufficient to detect fragments of stingers in the wounds...
July 2016: Revista da Sociedade Brasileira de Medicina Tropical
Laura Cunha Ferreira, Paulo Feijo Barroso, Elise Tonomura, Tiyomi Akiti, Káris Maria de Pinho Rodrigues
Sporotrichosis is the most common subcutaneous mycosis in South America and its association with zoonotic transmission remains a relevant public health problem in Rio de Janeiro, Brazil. The disease most commonly presents as subacute or chronic cutaneous lesions, although dissemination to various organs and systems occurs in rare cases, mainly in immunosuppressed individuals. This report describes a case of sporotrichosis with severe bone and subcutaneous damage in an immunocompetent patient who did not exhibit the characteristic skin lesions of sporotrichosis, including ulcers, nodules, and lymphangitis...
July 2016: Revista da Sociedade Brasileira de Medicina Tropical
Cecília Bittencourt Severo, Letícia Beatriz Matter, Flávio de Mattos Oliveira, Agueda Palmira Castagna Vargas, Sadi Marcelo Schio, José de Jesus Peixoto Camargo, Bruno Hochhegger, Luiz Carlos Severo
We report herein a case of thoracic infection due to Nocardia nova following lung re-transplantation performed for emphysema related to alpha-1-antitrypsin deficiency. The infection extended from the lung into the pleural space, thoracic wall, and mediastinum, presenting as pericarditis and empyema necessitatis. Nocardia nova was identified by 16S ribosomal deoxyribonucleic acid (rDNA) sequencing and phylogenetic analysis. According to a literature search of PubMed, LILACS and MEDLINE databases, we describe herein the first case of empyema necessitatis caused by N...
July 2016: Revista da Sociedade Brasileira de Medicina Tropical
Erni Juwita Nelwan, Randy Adiwinata, Siti Handayani, Ikhwan Rinaldi
Because the majority of colubrid species are considered harmless to human beings, colubrid snakebites are rarely reported. However, the venom of Rhabdophis, which is part of the Colubridae family, is procoagulant and leads to severe coagulopathy. Here, we present a case of disseminated intravascular coagulation with enhanced fibrinolysis following a Rhabdophis bite. Although coagulopathy can be treated effectively with the specific Rhabdophis antivenom, this antivenom is not widely available in Indonesia. We also found transient hypertension secondary to the colubrid venom, an unusual finding...
July 2016: Revista da Sociedade Brasileira de Medicina Tropical
Davi Casale Aragon, José André Mota de Queiroz, Edson Zangiacomi Martinez
INTRODUCTION: The monthly incidence of snakebites from 2007 to 2014 in the State of São Paulo, Brazil, was assessed. METHODS: A statistical model based on the discrete double Poisson distribution was proposed, including pairs of sine and cosine functions of time to account for seasonality and autoregressive terms. RESULTS: The analysis indicated a slight increase in the incidence of snakebites. The inclusion of two pairs of trigonometric functions seemed to be relevant in the model adjustment, given the seasonal pattern of the data...
July 2016: Revista da Sociedade Brasileira de Medicina Tropical
Fernando Henrique Antunes Murata, Marina Neves Ferreira, Natália Sahyoun Camargo, Gabriela Soria Santos, Lígia Cosentino Junqueira Franco Spegiorin, Aparecida Perpétuo Silveira-Carvalho, Vera Lucia Pereira-Chioccola, Luiz Carlos de Mattos, Cinara Cássia Brandão de Mattos
INTRODUCTION: Toxoplasmosis during pregnancy can be severe; thus, it is essential to diagnose the disease via serological tests. METHODS: An enzyme-linked immunosorbent assay (ELISA) was used to investigate anti-Toxoplasma gondii immunoglobulin A (IgA), M (IgM) and G (IgG) antibodies in 62 high-risk pregnant women. RESULTS: Forty-three (69.4%) women were positive for IgA, 31 (50%) for IgG, and 57 (91.9%) for IgM; 4 (6,5%) were positive for IgA but negative for IgM; 10 (16...
July 2016: Revista da Sociedade Brasileira de Medicina Tropical
Vivian Petersen, Marco Jacometto Marchi, Delsio Natal, Mauro Toledo Marrelli, Admilson Clayton Barbosa, Lincoln Suesdek
INTRODUCTION: Mass production of mosquitoes under laboratory conditions allows implementing methods to control vector mosquitoes. Colony development depends on mosquito size and weight. Body size can be estimated from its correlation with wing size, whereas weight is more difficult to determine. Our goal was to test whether wing size can predict the weight. METHODS: We compared dry weight and wing centroid size of Culex quinquefasciatus reared at different temperatures and four diets...
July 2016: Revista da Sociedade Brasileira de Medicina Tropical
João Victor Leite Dias, Eduardo Geraldo Fernandes, Herton Helder Rocha Pires, João Carlos Pinto Dias
INTRODUCTION: Triatomines are targeted for the control of Chagas disease in endemic areas of Brazil. METHODS: Data regarding triatomines captured during 2001-2008 in 34 municipalities in the Northeast of Minas Gerais were analyzed. RESULTS: In total, 11,187 triatomines from eight species were captured, mostly in henhouses and bedrooms. Trypanosomes were found in 203 samples. Main species were Triatoma sordida, Panstrongylus megistus, and Triatoma vitticeps...
July 2016: Revista da Sociedade Brasileira de Medicina Tropical
Luciano Pamplona de Góes Cavalcanti, Rhaquel de Morais Alves Barbosa Oliveira, Carlos Henrique Alencar
INTRODUCTION: We report the behavioral changes in use of oviposition sites in Aedes aegypti in Fortaleza, Brazil. METHODS: We evaluated the relationship between different types of breeding sites and changes in use from 2001 to 2012. RESULTS: More than 40% of the infested breeding sites were used to store water. We observed a three-fold reduction in the infestation of water tanks (p = 0.038) and more than nine-fold in tires (p = 0.035). The proportion of infested plant pots increased six-fold (p < 0...
July 2016: Revista da Sociedade Brasileira de Medicina Tropical
Lilian Dias Orico, Licia Natal Fernandes, Marcos Antônio Melo, Ticiana Zwarg, José Eduardo Levi, Mauro Toledo Marrelli
INTRODUCTION: This study aimed to investigate Flavivirus infection in birds captured in green areas of São Paulo. METHODS: Oropharyngeal swabs, cloacal swabs, and blood samples from 170 birds captured in two green areas in São Paulo, Brazil were subjected to real time-polymerase chain reaction (RT-qPCR) analysis of Flavivirus specific NS5 gene fragment. RESULTS: All samples were negative for the presence of viral ribonucleic acid (RNA). CONCLUSIONS: Despite the negative results, Flavivirus surveillance must be performed regularly due to favorable ecological conditions for virus circulation and transmission among birds in these areas and their close proximity to humans...
July 2016: Revista da Sociedade Brasileira de Medicina Tropical
Rejane Maria Tommasini Grotto, Natália Mirele Cantão, Juliana Lara Padovani, Lenice do Rosário de Souza, Giovanni Faria Silva, Adriana Camargo Ferrasi, Maria Inês de Moura Campos Pardini
INTRODUCTION: In this study, we evaluated hepatitis C virus (HCV) and human immunodeficiency virus (HIV) - platelet interactions in vitro as well as human platelets antigen (HPA) polymorphisms. METHODS: Platelets were obtained from 100 healthy HPA-genotyped volunteer donors and incubated with HIV or HCV. The viral load after in vitro exposure was detected. RESULTS: The viral load in the platelets after exposure to the virus was higher in the HIV exposure than in the HCV exposure...
July 2016: Revista da Sociedade Brasileira de Medicina Tropical
Renata da Silva Cardoso Pereira, Emil Kupek
INTRODUCTION: Little information is available on the evolution of influenza A (H1N1)pdm09-related mortality in Brazil. METHODS: During the period 2009-2014, official epidemiological surveillance and mortality data were used to ascertain influenza-related deaths in the Santa Catarina State in Brazil. RESULTS: The highest overall mortality rate (2.3 per 100,000) was observed in 2009. Pregnant women constituted the highest risk group (mortality rate 18...
July 2016: Revista da Sociedade Brasileira de Medicina Tropical
Thassiany Sarmento Oliveira de Almeida, Sayonara Maria Lia Fook, Francisco Oscar de Siqueira França, Tânia Maria Ribeiro Monteiro, Edwirde Luiz Silva, Lidiane Cristina Félix Gomes, Aline Maiara Galdino Farias
INTRODUCTION: Due to its frequency and morbidity, such as that caused by scorpions have achieved public health importance in certain regions of the world. The present exploratory ecological study aimed to characterize the epidemiological profile and spatial distribution of scorpion stings in Campina Grande, State of Paraíba in Northeastern Brazil. METHODS: Geographical information system techniques were used to record the scorpion stings, and Google Earth software, Track Maker, and ArcGIS 10 Esri were used as geocoding databases...
July 2016: Revista da Sociedade Brasileira de Medicina Tropical
Francílio Araújo Almeida, Laisson de Moura Feitoza, Jaqueline Diniz Pinho, George Castro Figueira de Mello, Joyce Santos Lages, Fábio França Silva, Raimunda Ribeiro da Silva, Gyl Eanes Barros Silva
INTRODUCTION: Rhinosporidiosis is a chronic infection of the mucous membrane and is caused by Rhinosporidium seeberi, an aquatic mesomycetozoan. The mode of infection is probably transepithelial penetration. The large number of rivers and lakes and the strong presence of riparian populations in the State of Maranhão are strong predisposing factors for rhinosporidiosis. METHODS: A 5-year retrospective study was conducted in a tertiary medical center situated in Maranhão, Northeast Brazil...
July 2016: Revista da Sociedade Brasileira de Medicina Tropical
Shweta Singh, Zeeshan Fatima, Saif Hameed
INTRODUCTION: There is an increasing burden of multidrug resistance. As a result, deciphering the mechanisms of action of natural compounds with antifungal activity has gained considerable prominence. We aimed to elucidate the probable mechanism of action of citronellal, a monoterpenoid found in the essential oil extracted from Cymbopogon plants, against Candida albicans. METHODS: Drug susceptibility was measured by broth microdilution and spot assays. Ergosterol levels were estimated using the alcoholic potassium hydroxide method and H+ extrusion was assessed by monitoring the glucose-induced acidification of the external medium...
July 2016: Revista da Sociedade Brasileira de Medicina Tropical
Jocieli Malacarne, Diana Patricia Giraldo Rios, Cosme Marcelo Furtado Passos da Silva, José Ueleres Braga, Luiz Antonio Bastos Camacho, Paulo Cesar Basta
INTRODUCTION: Recent studies have shown a high incidence and prevalence of latent tuberculosis infection (LTBI) in indigenous populations around the World. We aimed to estimate the prevalence and annual risk of infection (ARI) as well as to identify factors associated with LTBI in an indigenous population from the Brazilian Amazon. METHODS: We conducted a cross-sectional study in 2011. We performed tuberculin skin tests (TSTs), smears and cultures of sputum samples, and chest radiographs for individuals who reported cough for two or more weeks...
July 2016: Revista da Sociedade Brasileira de Medicina Tropical
Marcelo Augusto Mota Brito, Henry Maia Peixoto, Anne Cristine Gomes de Almeida, Maria Regina Fernandes de Oliveira, Gustavo Adolfo Sierra Romero, José Pereira Moura-Neto, Nakul Singh, Wuelton Marcelo Monteiro, Marcus Vinícius Guimarães de Lacerda
INTRODUCTION: In the Brazilian Amazon, malaria infections are primarily caused by Plasmodium vivax. The only drug that kills the hypnozoite form of P. vivax is primaquine, thereby preventing relapse. However, treating glucose-6-phosphate dehydrogenase (G6PD)-deficient individuals with primaquine can lead to severe hemolysis. G6PD deficiency (G6PDd) affects approximately 400 million people worldwide, most of whom live in malaria-endemic areas. Therefore, clinicians need tools that can easily and reliably identify individuals with G6PDd...
July 2016: Revista da Sociedade Brasileira de Medicina Tropical
Shahram Shahraki-Zahedani, Shahnaz Rigi, Mohammad Bokaeian, Alireza Ansari-Moghaddam, Mehdi Moghadampour
INTRODUCTION: Extended-spectrum beta-lactamases (ESBLs) are bacterial enzymes capable of hydrolyzing beta-lactams. The aim of this study was to describe the prevalence of TEM- and SHV-type ESBL-producing Klebsiella pneumoniae strains in Zahedan, Southeast Iran. METHODS: A total of 170 non-repetitive K. pneumoniae strains were collected from patients referred to three teaching hospitals of Zahedan. Antibiotic susceptibility testing was determined for 17 antibiotics using the Kirby-Bauer disc diffusion method...
July 2016: Revista da Sociedade Brasileira de Medicina Tropical
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