Blood-sucking lice may disseminate Trypanosoma cruzi infection in baboons.

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：:In order to contribute to a better understanding of the forms of acquisition of hepatitis C virus (HCV) in Brazil, with special emphasis on sexual transmission, we determined the presence of HCV infection in regular partners and in non-sexual home communicants of blood donors seen at Fundação Pró-Sangue Hemocentro de ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Tengan FM,Eluf-Neto J,Cavalheiro NP,Barone AA

更新日期：2001-05-01 00:00:00

abstract：:The authors report two cases of adrenal insufficiency secondary to infiltration of the adrenal glands by Paracoccidioides brasiliensis. The first patient had been treated for a chronic multifocal form of paracoccidiodomycosis 11 years ago. The diagnosis of the mycosis was done simultaneous with that of the adrenal ins...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Agudelo CA,Muñoz C,Ramírez A,Gutierrez J,Velez S,Perez JC,Velez A,Tobon AM,Restrepo A

更新日期：2009-01-01 00:00:00

abstract：:Hand-foot-and-mouth disease (HFMD) is becoming one of the extremely common airborne and contact transmission diseases in Guangzhou, southern China, leading public health authorities to be concerned about its increased incidence. In this study, it was used an ecological study plus the negative binomial regression to id...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Li T,Yang Z,Liu X,Kang Y,Wang M

更新日期：2014-11-01 00:00:00

abstract：:We all hope that biotechnology will answer some social and economical unavoidable requirements of the modern life. It is necessary to improve agriculture production, food abundance and health quality in a sustainable development. It is indeed a hard task to keep the progress on taking into account the rational use of ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Simões-Barbosa A,Simões Barbosa C,Simões Barbosa F

更新日期：2001-07-01 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：:Between April 2003 and May 2009 phlebotomine sandflies were collected in Parque do Sabiá complex, Uberlândia municipality, Minas Gerais State, Brazil, using CDC and Shannon traps. The objective was to associate the sandfly species captured to the risk of the transmission of leishmaniasis in the municipality. The 126 c...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Rodrigues Ede A,Andrade Filho JD,Limongi JE,Paula MB

更新日期：2011-09-01 00:00:00

abstract：:Giardia duodenalis isolates from asymptomatic or symptomatic patients and from animals present similarities and differences in the protein composition, antigenic profile, pattern of proteases and isoenzymes, as well as in nucleic acids analysis. In the present overview, these differences and similarities are reviewed ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Guimarães S,Sogayar MI,de Franco MF

更新日期：1999-01-01 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：:The humoral and cellular immune responses as well as the resistance to infection with bloodstream forms of T. cruzi were studied in mice immunized with acidic antigenic fractions from parasite cytosol, F III and F IV, plus Bordetella pertussis as adjuvant. The immunization with F III induced positive ITH and DTH respo...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Gea S,Gruppi A,Cerban F,Pistoresi Palencia MC,Vottero-Cima E

更新日期：1992-09-01 00:00:00

abstract：:A 25-year-old male without prior co-morbidities was admitted to hospital with Fusobacterium necrophorum bacteremia, where he was found to have liver and splenic abscesses. Further evaluation with echocardiography revealed a bicuspid aortic valve with severe insufficiency and a 1.68 x 0.86 cm vegetation. The patient re...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Handler MZ,Miriovsky B,Gendelman HE,Sandkovsky U

更新日期：2011-05-01 00:00:00

abstract：:Patients infected with the Human Immunodeficiency Virus (HIV) often have opportunistic infections, among which strongyloidiasis and coccidiosis are the most common parasitic infections that aggravate their health status. This study examined the prevalence of intestinal parasites, particularly of Strongyloides stercora...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Barcelos NB,Silva LFE,Dias RFG,Menezes Filho HR,Rodrigues RM

更新日期：2018-03-08 00:00:00

abstract：:A group of 16 patients with endemic pemphigus foliaceus under corticotherapy and still showing erythematous, papulous, verrucous, in general hyperpigmented lesions, which were characterized as cortico therapy resistant lesions, were studied. Such study was made through anatomopathology and direct immunofluorescence (D...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： dos Reis VM,Cucé LC,Rivitti EA

更新日期：1991-03-01 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：:Three isolates over 5 years from a patient with persistent relapsing mucosal leishmaniasis due to Leishmania (Viannia) braziliensis and 7 clones from one of these isolates were studied by zymodemes and serodemes analysis. Results showed evidences of clonal phenotypic variation. Eight isoenzymes markers demonstrated cl...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Cuba-Cuba CA,Evans D,Rosa Ade C,Marsden PD

更新日期：1991-09-01 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：: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：:The production of anti-snake venom from large mammal's blood has been found to be low-yielding and arduous, consequently, antivenom immunoglobulins for treatment are achieved regularly as polyvalent serum. We have standardized an undemanding technique for making purified immunoglobulin IgY antivenom consisting of poly...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Aguilar I,Sánchez EE,Girón ME,Estrella A,Guerrero B,Rodriguez-Acosta FA

更新日期：2014-01-01 00:00:00

abstract：:A clinical case of cerebral infection by parenchymal racemose cysticercus, diagnosed by means of morphological characteristics in a patient of Valdivia city is described. The rare frequency of parenchymal location of racemose cysticercus as well as its differential diagnosis with other larval stages of cestodes that d...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Ortega E,Torres P

更新日期：1991-05-01 00:00:00

abstract：:This case report describes the findings of a 18 year-old black male from Bahia, a Northeastern state in Brazil, with the sickle cell trait, who developed bilateral hyphema and vitreous hemorrhage with blindness in the course of leptospirosis. The patient started to complain of blurred vision four days after the start ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Costa E,Lopes AA,Sacramento E,Santos PA

更新日期：2000-09-01 00:00:00

abstract：:An epidemiological survey with histoplasmin skin test was performed in 392 poultry farmers and 265 workers considered without occupational risk of exposition to Histoplasma capsulatum, etiologic agent of histoplasmosis. The results were positive in 28.8% and 13.2% in both groups respectively. Statistically, there was ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Suárez Hernández M,Fernández Andreu CM,Estrada Ortiz A,Cisneros Despaigne E

更新日期：1992-07-01 00:00:00

abstract：:Physical examination of nails was carried out in 210 elderly patients and nail scrapings were obtained from onychomycosis suggested lesions in order to determine their causative agents, incidence and clinical characteristics. Diagnostic was confirmed by the isolation of the agents from 74 patients, mainly from toe-nai...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Rodríguez-Soto ME,Fernández-Andreu CM,Moya Duque S,Rodríguez Díaz RM,Martínez-Machín G

更新日期：1993-05-01 00:00:00

abstract：:A retrospective study was conducted in nine patients with rabies admitted to a hospital of Fortaleza, Brazil. Autopsy was performed in all cases. The ages ranged from three to 81 years and six were males. They all were bitten by dogs. The time between the accident and the hospital admission ranged from 20 to 120 days ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Daher Ede F,da Silva Júnior GB,Ferreira MT,Barros FA,Gurgel TM,Patroćinio RM

更新日期：2005-11-01 00:00:00

abstract：:The development of small ultrasonographic equipment has permitted to incorporate this technique to the methods of early detection of Human Hydatidosis. 689 echographies were carried out in this experience, and 5.51% of compatible images in the whole population, and 12.24% in groups of risk (those living together with ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Larrieu E,Frider B,Andreani G,Andreani G,Aquino A,De La Fuente R

更新日期：1989-07-01 00:00:00

abstract：:In human toxocariasis, there are few approaches using immunological markers for diagnosis and therapeutic assessment. An immunoblot (IB) assay using excretory-secretory Toxocara canis antigen was standardized for monitoring IgG, IgE and IgA antibodies in 27 children with toxocariasis (23 visceral, three mixed visceral...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Rubinsky-Elefant G,Hoshino-Shimizu S,Jacob CM,Sanchez MC,Ferreira AW

更新日期：2011-03-01 00:00:00

abstract：:The aim of this research was to evaluate the prevalence of Staphylococcus spp. and S. aureus in the odontological clinic environment (air), their production of beta-lactamase and antibacterial susceptibility to the major antibiotics utilized in medical particle. During 12 months of samples collect were isolated 9775 C...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Bernardo WL,Boriollo MF,Gonçalves RB,Höfling JF

更新日期：2005-01-01 00:00:00

abstract：:In Brazil, the main etiologic agent of Leishmaniasis that frequently presents with mucosal involvement belongs to the Viannia subgenus. The therapeutic conduct in this disease depends on the parasitological diagnosis, and classical methods are restricted in identifying the agent. In this paper we describe a polymerase...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Paiva BR,Passos LN,Falqueto A,Malafronte Rdos S,Andrade HF Jr

更新日期：2004-11-01 00:00:00

abstract：:The authors reported one case of eumycotic mycetoma due to Madurella grisea (black grains) occurred on the right foot of the patient studied. The structure, microscopic morphology and therapeutic evolution are also studied and reported. ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Belda Júnior W,Cucé LC,Dias MC,Lacaz Cda S

更新日期：1989-05-01 00:00:00

abstract：:After the introduction of the rotavirus vaccine, the number of rotavirus-associated deaths and the predicted annual rotavirus detection rate had slightly declined worldwide. Taking in account that in Colombia, Rotarix vaccine was introduced in 2009, the purpose of this study was to evaluate the presence of rotavirus A...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Martinez-Gutierrez M,Arcila-Quiceno V,Trejos-Suarez J,Ruiz-Saenz J

更新日期：2019-07-01 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