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Revista do Instituto de Medicina Tropical de São Paulo

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https://www.readbyqxmd.com/read/28591268/diagnosis-of-mycobacteria-in-bovine-milk-an-overview
#1
Carmen Alicia Daza Bolaños, Carolina Lechinski de Paula, Simony Trevizan Guerra, Marília Masello Junqueira Franco, Márcio Garcia Ribeiro
Tuberculosis remains as the world's biggest threat. In 2014, human tuberculosis ranked as a major infectious disease by the first time, overcoming HIV death rates. Bovine tuberculosis is a chronic disease of global distribution that affects animals and can be transmitted to humans by the consumption of raw milk, representing a serious public health concern. Despite the efforts of different countries to control and eradicate bovine tuberculosis, the high negative economic impact on meat and milk production chains remains, given the decreased production efficiency (approximately 25%), the high number of condemned carcasses, and increased animal culling rates...
June 5, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28591267/the-performance-of-serological-tests-for-leishmania-infantum-infection-screening-in-dogs-depends-on-the-prevalence-of-the-disease
#2
Ivete Lopes de Mendonça, Joilson Ferreira Batista, Henk Schallig, Maria do Socorro Pires E Cruz, Diego Peres Alonso, Paulo Eduardo Martins Ribolla, Dorcas Lamounier Costa, Carlos Henrique Nery Costa
Dogs are considered the main reservoir of Leishmania infantum. This protozoan causes visceral leishmaniasis (VL), an uncontrolled urban zoonosis in Brazil. Serological tests and polymerase chain reaction (PCR) on peripheral blood were performed to identify infected dogs in scenarios of higher and lower prevalence of the disease (Teresina and Vitória). One-hundred infected and 57 non-infected animals from Teresina and 100 non-infected animals from Vitória were studied. Animal selection was not dependent on previous serology...
June 1, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28591266/efficiency-of-noninvasive-sampling-methods-swab-together-with-polymerase-chain-reaction-pcr-for-diagnosing-american-tegumentary-leishmaniasis
#3
Sara Macente Boni, Luiza Keiko Oyafuso, Rita de Cassia Soler, José Angelo Lauletta Lindoso
Traditional diagnostic methods used to detect American Tegumentary Leishmaniasis, such as histopathology using biopsy samples, culture techniques, and direct search for parasites, have low sensitivity and require invasive collection procedures. This study evaluates the efficiency of noninvasive sampling methods (swab) along with Polymerase Chain Reaction (PCR) for diagnosing American Tegumentary Leishmaniasis using skin and mucous samples from 25 patients who had tested positive for leishmaniasis. The outcome of the tests performance on swab samples was compatible with PCR results on biopsy samples...
June 1, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28591265/disseminated-cutaneous-leishmaniasis-caused-by-leishmania-braziliensis-in-southern-brazil
#4
Norberto Assis Membrive, Flávio Jun Kazuma, Thaís Gomes Verzignassi Silveira, Jorge Juarez Vieira Teixeira, Kárin Rosi Reinhold-Castro, Ueslei Teodoro
The authors report a case of disseminated cutaneous leishmaniasis caused by Leishmania (Viannia) braziliensis, in a 55 years old patient with 1,119 lesions distributed throughout the body. The patient resides in Sabáudia municipality, North of Paraná State, Southern Brazil, where there was no previous report of this form of leishmaniasis. Treatment with meglumine antimoniate was successful, although the diagnosis was made only five months later.
June 1, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28591264/sarcoid-like-cutaneous-lesions-in-chronic-adult-paracoccidioidomycosis-report-of-two-cases
#5
Nurimar C Fernandes, Júlia Gomes Côrtes, Tiyomi Akitti, Danielle Carvalho Quintella, Tulia Cuzzi
This study reports two cases of chronic paracoccidioidomycosis with sarcoid-like cutaneous lesions. The patients began the treatment in 2013 at Hospital Universitário Clementino Fraga Filho (HUCFF) of the Universidade Federal do Rio de Janeiro (UFRJ). The first case (mild form) was treated with trimethoprim-sulfamethoxazole (8 mg /kg per day, orally) for three months and, then, with half the dose for nine months; the second (moderate form), with itraconazole (200 mg per day, orally) for 12 months. We point out the rareness of the sarcoid-like cutaneous lesions and the differential diagnoses for other granulomatous diseases...
June 1, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28591263/myiasis-associated-with-an-invasive-ductal-carcinoma-of-the-left-breast-case-study
#6
Felipe Tavares Rodrigues, Larissa Raquel Klemig, Marcos Roberto Pereira Cardozo, Paulo Cesar Alves, Valéria Magalhães Aguiar, Claudia Soares Lessa
Most breast cancers originate in the ductal epithelium and are referred to as invasive ductal carcinoma. In this study we report on the clinical procedures adopted to diagnose myiasis in association with infiltrating metastatic breast carcinoma in a female patient. A 41 years old woman came to the Federal Hospital of Andaraí complaining of intense itching, warmth, redness and hardening of the breast, which had acquired the aspect of an orange peel. A lesion in the left breast was cavitated, dimpled, had fetid odor, and had fibrotic and infected air nodules filled with exudate and Dipteran larvae...
June 1, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28591262/fatal-cryptococcus-gattii-genotype-vgi-infection-in-an-hiv-positive-patient-in-barranquilla-colombia
#7
María Clara Noguera, Patricia Escandón, Elizabeth Castañeda
Cryptococcosis is a major invasive fungal disease related worldwide with the AIDS population. New reports of HIV/AIDS cases to the national public health surveillance system (SIVIGILA) in Colombia have shown that there is a growing community at risk of contracting cryptococcosis throughout the country who do not have access to ART. Even though the most prevalent species Cryptococcus neoformans is mainly associated with the HIV population, we report a fatal case of cryptococcosis in an AIDS patient in Barranquilla, associated with Cryptococcus gattii VGI, isolated from blood culture...
June 1, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28591261/sporotrichoid-leishmaniasis-a-cross-sectional-clinical-epidemiological-and-laboratory-study-in-rio-de-janeiro-state-brazil
#8
Livia Martins Veloso de Carvalho, Maria Inês Fernandes Pimentel, Fátima Conceição-Silva, Érica de Camargo Ferreira E Vasconcellos, Cláudia Maria Valete-Rosalino, Marcelo Rosandiski Lyra, Mariza de Matos Salgueiro, Maurício Naoto Saheki, Maria de Fátima Madeira, Eliame Mouta-Confort, Liliane de Fátima Antonio, Aline Fagundes da Silva, Leonardo Pereira Quintella, Sandro Javier Bedoya-Pacheco, Armando de Oliveira Schubach
Background: Atypical presentations of cutaneous leishmaniasis include sporotrichoid leishmaniasis (SL), which is clinically described as a primary ulcer combined with lymphangitis and nodules and/or ulcerated lesions along its pathway. Aims: To assess the differences between patients with sporotrichoid leishmaniasis and typical cutaneous leishmaniasis (CL). Methods: From January 2004 to December 2010, 23 cases of SL (4.7%) were detected among 494 CL patients diagnosed at a reference center for the disease in Rio de Janeiro State, Brazil...
June 1, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28591260/presence-of-rotavirus-and-free-living-amoebae-in-the-water-supplies-of-karachi-pakistan
#9
Farzana Abubakar Yousuf, Ruqaiyyah Siddiqui, Naveed Ahmed Khan
Rotavirus and pathogenic free-living amoebae are causative agents of important health problems, especially for developing countries like Pakistan where the population has limited access to clean water supplies. Here, we evaluated the prevalence of rotavirus and free-living amoebae (Acanthamoeba spp., Balamuthia mandrillaris, Naegleria fowleri) in drinking water supplies of Karachi, Pakistan. Six water filtration plants that supply drinking water to the population of Karachi were investigated. Additionally, drinking water samples from households were analyzed for the presence of rotavirus and free-living amoebae...
June 1, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28591259/knowledge-and-perceptions-on-toxoplasmosis-among-pregnant-women-and-nurses-who-provide-prenatal-in-primary-care
#10
Jayra Adrianna da Silva Sousa, Rita da Graça Carvalhal Frazão Corrêa, Dorlene Maria Cardoso de Aquino, Nair Portela Silva Coutinho, Marcos Antonio Custódio Neto da Silva, Maria do Desterro Soares Brandão Nascimento
Background: Toxoplasmosis is an infection that affects almost a third of the world population. In adults, it is often asymptomatic, although having important manifestation in children- infected by placental transmission. The prenatal is an important moment, requiring actions in women's care during pregnancy, in order to prevent diseases that could compromise the mother and the child's life. Methods: This is a descriptive study of qualitative approach aimed to understand the perception of nurses and pregnant women about toxoplasmosis during primary - prenatal care...
June 1, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28591258/immune-development-in-hiv-exposed-uninfected-children-born-to-hiv-infected-women
#11
Maristela Miyamoto, Aída F T B Gouvêa, Erika Ono, Regina Célia M Succi, Savita Pahwa, Maria Isabel de Moraes-Pinto
Immunological and clinical findings suggestive of some immune dysfunction have been reported among HIV-exposed uninfected (HEU) children and adolescents. Whether these defects are persistent or transitory is still unknown. HEU pediatric population at birth, 12 months, 6-12 years were evaluated in comparison to healthy age-matched HIV-unexposed controls. Plasma levels of LPS, sCD14, cytokines, lymphocyte immunophenotyping and T-cell receptor excision circles (TREC) were assessed. HEU and controls had similar LPS levels, which remained low from birth to 6-12 years; for plasma sCD14, IL-2, IL-6, IL-7, IL-10, IL-12p70, IL-13, IL-17, IFN-γ, TNF-α, G-CSF, GM-CSF and MCP-1, which increased from birth to 12 months and then decreased at 6-12 years; and for TREC/106 PBMC at birth in HEU and controls...
June 1, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28591257/oral-candida-spp-carriage-and-periodontal-diseases-in-hiv-infected-patients-in-ribeir%C3%A3-o-preto-brazil
#12
Alan Grupioni Lourenço, Ana Elisa Rodrigues Alves Ribeiro, Cristiano Nakao, Ana Carolina Fragoso Motta, Luana Grupioni Lourenço Antonio, Alcyone Artioli Machado, Marilena Chinali Komesu
The majority of HIV-infected patients develop Candida spp-associated clinical oral lesions. Studies have shown that asymptomatic oral colonization of Candida spp may lead to oral lesions or become a source of disseminated infections. The aim of this study was to verify the effects of periodontal conditions on Candida spp prevalence and Candida spp carriage in the oral cavity of HIV-infected patients compared to non-infected patients. Twenty-five patients not infected with HIV and 48 HIV-infected patients were classified according to periodontal conditions as being periodontal healthy or with periodontal disease...
June 1, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28591256/association-of-outcomes-with-comprehension-adherence-and-behavioral-characteristics-of-tuberculosis-patients-using-fixed-dose-combination-therapy-in-contagem-minas-gerais-brazil
#13
Ana Maria Viegas, Silvana Spíndola de Miranda, João Paulo Haddad, Maria das Graças Ceccato, Wânia da Silva Carvalho
The present study aimed to assess the association of outcomes with comprehension, adherence and behavioral characteristics of tuberculosis (TB) patients using fixed-dose combination (FDC) therapy in the city of Contagem, MG, Brazil. This study used standardized questionnaires to collect data. Outcomes included cure in 77.2% (64/ 83), noncompliance with treatment in 20.4% (17/ 83), and absence of organ failure or death cases. The rate of adherence to treatment was high (71.1% - 59/ 83), while the level of comprehension of the treatment was insufficient for the majority of patients (72...
June 1, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28591255/entomological-survey-in-the-state-of-piau%C3%A3-northeastern-brazil-reveals-intradomiciliary-colonization-of-triatoma-brasiliensis-macromelasoma
#14
Silvia Menezes Dos Santos, Danielle Misael de Sousa, Jessica Pereira Dos Santos, José Felipe Pinheiro do Nascimento Vieira, Teresa Cristina Monte Gonçalves, Jacenir Reis Dos Santos-Mallet, Filipe Anibal Carvalho-Costa
This survey aimed to assess the presence of triatomine vectors of Chagas disease within the rural communities of São João do Piauí, Northeast Brazil. Intradomiciliary and peridomiciliary collection strategies were implemented wherein 279 specimens of Triatoma brasiliensis macromelasoma, both nymph and adult were found in 15 (50%) of the studied homes. Of the intradomiciliary insects, 73 (67.6%) were identified as nymph instars (1st instar [N1]= 6, N2= 14, N3= 28, N4= 7 and N5= 18). In the studied communities, a continuous interaction between triatomine bugs and humans could be shown...
June 1, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28591254/bacteremia-caused-by-elizabethkingia-meningoseptica-in-a-mechanically-ventilated-patient-successfully-treated-with-imipenem-cilastatin-and-ciprofloxacin
#15
LETTER
Chang-Hua Chen, Ching-Hsiung Lin, Jen-Shiou Lin
No abstract text is available yet for this article.
June 1, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28591253/acute-kidney-injury-complicating-bee-stings-a-review
#16
Geraldo Bezerra da Silva, Adolfo Gomes Vasconcelos, Amanda Maria Timbó Rocha, Vanessa Ribeiro de Vasconcelos, João de Barros, Julye Sampaio Fujishima, Nathália Barros Ferreira, Elvino José Guardão Barros, Elizabeth De Francesco Daher
Bee stings can cause severe reactions and have caused many victims in the last years. Allergic reactions can be triggered by a single sting and the greater the number of stings, the worse the prognosis. The poisoning effects can be systemic and can eventually cause death. The poison components are melitin, apamin, peptide 401, phospholipase A2, hyaluronidase, histamine, dopamine, and norepinephrine, with melitin being the main lethal component. Acute kidney injury (AKI) can be observed in patients suffering from bee stings and this is due to multiple factors, such as intravascular hemolysis, rhabdomyolysis, hypotension and direct toxicity of the venom components to the renal tubules...
June 1, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28443942/hemostatic-disorders-induced-by-skin-contact-with-lonomia-obliqua-lepidoptera-saturniidae-caterpillars
#17
Ida Sigueko Sano-Martins, Alaour Candida Duarte, Belsy Guerrero, Roberto Henrique Pinto Moraes, Elvino José Guardão Barros, Carmen Luisa Arocha-Piñango
Patients envenomed by Lonomia sp caterpillars initially experience a mild burning pain, headache, nausea, vomiting, and skin and mucosal hemorrhages. Some patients can rapidly progress to a severe coagulopathy that presents as visceral or intracerebral hemorrhaging. We studied the hemostatic alterations that occurred in 14 patients who were envenomed by Lonomia obliqua in Southern Brazil and presented at the Hospital São Vicente de Paulo (Passo Fundo, RS), Brazil during the summers of 1993 and 1994 when Lonomia antivenom was not yet available for treatment...
April 20, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28443941/knowledge-attitudes-and-perceptions-regarding-lymphatic-filariasis-study-on-systematic-noncompliance-with-mass-drug-administration
#18
Silvia Cabral, Cristine Bonfim, Rosalira Oliveira, Paula Oliveira, Terezinha Guimarães, Eduardo Brandão, Ana Maria Aguiar-Santos, Zulma Medeiros
The aim of this study was to investigate the epidemiological characteristics, antigenic profile, perceptions, attitudes and practices of individuals who have been systematically non-compliant in mass drug administration (MDA) campaigns targeting lymphatic filariasis, in the municipality of Olinda, State of Pernambuco, Northeastern Brazil. A pretested questionnaire was used to obtain information on socioenvironmental demographics, perceptions of lymphatic filariasis and MDA, and reasons for systematic noncompliance with treatment...
April 20, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28423097/guillain-barr%C3%A3-syndrome-and-dengue-like-disease-in-2015-temporal-relationship-in-piau%C3%A3-state-and-implications-on-zika-virus-surveillance
#19
LETTER
Marcelo Adriano da Cunha E Silva Vieira, Ana Cecília Ribeiro Cruz, Ananda Naya Mesquita Barros, Dorcas Lamounier Costa, Eliana Vieira Pinto da Silva, Francisca Miriane de Araújo Batista, Raimunda do Socorro da Silva Azevedo, Sueli Guerreiro Rodrigues, Rui Cipriano Araújo-Júnior, Pedro Fernando da Costa Vasconcelos
No abstract text is available yet for this article.
April 13, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28423096/perspectives-on-the-zika-outbreak-herd-immunity-antibody-dependent-enhancement-and-vaccine
#20
LETTER
José Valter Joaquim Silva, Thaísa Regina Rocha Lopes, Edmilson Ferreira de Oliveira-Filho, Renato Antonio Dos Santos Oliveira, Laura Helena Vega Gonzales Gil
No abstract text is available yet for this article.
April 13, 2017: Revista do Instituto de Medicina Tropical de São Paulo
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