Listar por tema "Bolivia"

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The Andean Latin-American burden of diabetes attributable to high body mass index: a comparative risk assessment

Carrillo Larco, Rodrigo Martín; Pearson-Stuttard, Jonathan; Bernabé Ortiz, Antonio; Gregg, Edward W. (Elsevier, 2020)

BACKGROUND: Body mass index (BMI) has increased in Latin-America, but the implications for the diabetes burden have not been quantified. We estimated the proportion and absolute number of diabetes cases attributable to ...
Congenital Chagas disease in Santa Cruz Department, Bolivia, is dominated by Trypanosoma cruzi lineage V

Sanchez, Leny; Messenger, Louisa A.; Bhattacharyya, Tapan; Gilman, Robert Hugh; Mayta, Holger; Colanzi, Rony; Bozo, Ricardo; Verastegui Pimentel, Manuela Renee; Miles, Michael A.; Bern, Caryn (Oxford University Press, 2021)

BACKGROUND: This study identified Trypanosoma cruzi discrete typing units (DTUs) in maternal and infant specimens collected from two hospitals in Bolivia, using conventional genotyping and DTU-specific serotyping. METHODS: ...
Decreased incidence, virus transmission capacity, and severity of COVID-19 at altitude on the American continent

Arias-Reyes, Christian; Carvajal-Rodriguez, Favio; Poma-Machicao, Liliana; Aliaga-Raduán, Fernanda; Marques, Danuzia A.; Zubieta-DeUrioste, Natalia; Accinelli Tanaka, Roberto Alfonso; Schneider-Gasser, Edith M.; Zubieta-Calleja, Gustavo; Dutschmann, Mathias; Soliz, Jorge (Public Library of Science, 2021)

The coronavirus disease 2019 (COVID-19) outbreak in North, Central, and South America has become the epicenter of the current pandemic. We have suggested previously that the infection rate of this virus might be lower in ...
Detección de antígenos circulantes de Trypanosoma cruzi en pacientes con VIH de una población endémica de Bolivia

Barrueta Soria, Liliam Ayme (Universidad Peruana Cayetano HerediaPE, 2018)

La enfermedad de Chagas es considerada uno de los mayores problemas de salud en América Latina. El diagnóstico de la enfermedad se basa principalmente en la detección de anticuerpos, sin embargo, estas pruebas permanecen ...
East with the Night: Longitudinal Migration of the Orinoco Goose (Neochen jubata) between Manú National Park, Peru and the Llanos de Moxos, Bolivia

Davenport, L.C.; Nole Bazán, I.; Carlos Erazo, N. (Public Library of Science, 2012)

We report on the intra-Amazonian migration of a pair of Orinoco Geese (Neochen jubata) from Manú National Park, Peru. The species is Critically Endangered in Peru, so a major aim of the study was to aid conservation planning ...
Epidemiology in Latin America and the Caribbean: Current situation and challenges

Barreto, S.M.; Miranda, J. Jaime; Figueroa, J.P.; Schmidt, M.I.; Munoz, S.; Kuri-morales, P.P.; Silva Jr., J.B. (Oxford University Press, 2012)

Background: This article analyses the epidemiological research developments in Latin America and the Caribbean (LAC). It integrates the series commissioned by the International Epidemiological Association to all WHO Regions ...
Evaluation of Microscopic Observation Drug Susceptibility (MODS) and the string test for rapid diagnosis of pulmonary tuberculosis in HIV/AIDS patients in Bolivia

Lora, Meredith H.; Reimer-McAtee, Melissa J.; Gilman, Robert Hugh; Lozano, Daniel; Saravia, Ruth; Pajuelo Travezaño, Monica Jhenny; Bern, Caryn; Castro, Rosario; Espinoza, Magaly; Vallejo, Maya; Solano, Marco; Challapa, Roxana; Torrico, Faustino (BioMed Central, 2015)

Background: Tuberculosis (TB) is the most common opportunistic infection and the leading cause of death in HIV-positive people worldwide. Diagnosing TB is difficult, and is more challenging in resource-scarce settings where ...
Evolution of the Leishmania braziliensis species complex from amplified fragment length polymorphisms, and clinical implications

Odiwuor, S.; Veland, N.; Maes, I.; Arévalo Zelada, Jorge Luis; Dujardin, J.-C.; Van der Auwera, G. (Elsevier, 2012)

In order to get more insight into its evolution and geographical distribution, we investigated the Leishmania (Viannia) braziliensis species complex using amplified fragment length polymorphisms and sequencing of a heat-shock ...
Fasciola hepatica phenotypic characterization in Andean human endemic areas: Valley versus altiplanic patterns analysed in liver flukes from sheep from Cajamarca and Mantaro, Peru

Valero, M.A.; Perez-Crespo, I.; Khoubbane, M.; Artigas, P.; Panova, M.; Ortiz, P.; Maco, V.; Espinoza, J.R.; Mas-Coma, S. (Elsevier, 2012)

Fascioliasis is a zoonotic parasitic disease caused by Fasciola hepatica and Fasciola gigantica. Of both species, F. hepatica is the only one described in the Americas, mainly transmitted by lymnaeid snail vectors of the ...
Field Evaluation of a Coproantigen Detection Test for Fascioliasis Diagnosis and Surveillance in Human Hyperendemic Areas of Andean Countries

Valero, M.A.; Periago, M.V.; Pérez-Crespo, I.; Angles, R.; Villegas, F.; Aguirre, C.; Strauss, W.; Espinoza, J.R.; Herrera Velit, Rosa Patricia; Terashima, A.; Tamayo, H.; Engels, D.; Gabrielli, A.F.; Mas-Coma, S. (Public Library of Science, 2012)

Background: Emergence of human fascioliasis prompted a worldwide control initiative including a pilot study in a few countries. Two hyperendemic areas were chosen: Huacullani, Northern Altiplano, Bolivia, representing the ...
Field evaluation of the InBios Chagas detect plus rapid test in serum and whole-blood specimens in Bolivia

Shah, Vishal; Ferrufino, Lisbeth; Gilman, Robert Hugh; Ramirez, Margot; Saenza, Eliana; Malaga, Edith; Sanchez, Gerardo; Okamoto, Emi E.; Sherbuck, Jacqueline E.; Clark, Eva H.; Galdos-Cardenas, Gerson; Bozo, Ricardo; Flores-Franco, Jorge Luis; Colanzi, Rony; Verastegui Pimentel, Manuela Renee; Bern, Caryn (American Society for Microbiology, 2014)

Trypanosoma cruzi causes Chagas disease, which affects an estimated 7 million to 8 million people. Chagas disease is endemic throughout Latin America, with the highest prevalence in Bolivia. Conventional diagnosis requires ...
Gut Hormones, Appetite Suppression and Cachexia in Patients with Pulmonary TB

Chang, Suzanne W.; Pan, William S.; Lozano Beltran, Daniel; Oleyda Baldelomar, Lizet; Solano, Marco Antonio; Tuero Ochoa, Iskra; Friedland, Jon S.; Torrico, Faustino; Gilman, Robert Hugh (Public Library of Science, 2013)

Background: Cachexia is a hallmark of pulmonary tuberculosis and is associated with poor prognosis. A better understanding of the mechanisms behind such weight loss could reveal targets for therapeutic intervention. The ...
HIV and Chagas Disease: An Evaluation of the Use of Real-Time Quantitative Polymerase Chain Reaction to Measure Levels of Trypanosoma cruzi Parasitemia in HIV Patients in Cochabamba, Bolivia

Reimer-McAtee, Melissa J.; Mejia, Carolina; Clark, Taryn; Terle, Jules; Pajuelo Travezaño, Monica Jhenny; Cabeza, Jeanne; Lora, Meredith H.; Valencia, Edward; Castro, Rosario; Lozano, Daniel; Bern, Caryn; Torrico, Faustino; Gilman, Robert Hugh (American Journal of Tropical Medicine and Hygiene, 2021)

This cross-sectional study evaluated epidemiologic characteristics of persons living with HIV (PWH) coinfected with Trypanosoma cruzi in Cochabamba, Bolivia, and estimated T. cruzi parasitemia by real-time quantitative ...
The Immunoglobulin M-Shed Acute Phase Antigen (SAPA)-test for the Early Diagnosis of Congenital Chagas Disease in the Time of the Elimination Goal of Mother-to-Child Transmission

Castro-Sesquen, Yagahira E.; Tinajeros, Freddy; Bern, Caryn; Galdos-Cardenas, Gerson; Malaga, Edith S.; Valencia Ayala, Edward; Hjerrild, Kathryn; Clipman, Steven J.; Lescano Guevara, Andres Guillermo; Bayangos, Tabitha; Castillo, Walter; Menduiña, María Carmen; Talaat, Kawsar R.; Gilman, Robert Hugh (Oxford University Press, 2021)

BACKGROUND: Diagnosis of congenital Chagas disease (CChD) in most endemic areas is based on low-sensitive microscopy at birth and 9-month immunoglobulin G (IgG), which has poor adherence. We aim to evaluate the accuracy ...
Low prevalence of methicillin-resistant Staphylococcus aureus nasal carriage in urban and rural community settings in Bolivia and Peru

Bartoloni, Alessandro; Pallecchi, Lucia; Fernandez, Connie; Mantella, Antonia; Riccobono, Eleonora; Magnelli, Donata; Mannini, Dario; Strohmeyer, Marianne; Bartalesi, Filippo; Segundo, Higinio; Monasterio, Joaquin; Rodriguez, Hugo; Cabezas, César; Gotuzzo Herencia, José Eduardo; Rossolini, Gian .Maria (Elsevier, 2013)

To investigate the prevalence of methicillin-resistant Staphylococcus aureus (MRSA) nasal carriage in rural and urban community settings of Bolivia and Peru. MRSA nasal carriage was investigated in 585 individuals living ...
The meanings of water: Socio-Cultural perceptions of solar disinfected (SODIS) drinking water in Bolivia and implications for its uptake

Nuño Martínez, N; Muela Ribera, J.; Hausmann-Muela, S.; Cevallos, M.; Hartinger Peña, Stella Maria; Christen, A.; Mäusezahl, D. (MDPI, 2020)

Solar disinfection (SODIS) of drinking water is a cost-effective household water treatment (HWT) method. Despite its simplicity of use, evidence suggest that SODIS water uptake remains lower than implementers planned. In ...
The Pathogenicity of COVID-19 is independent of increasing altitude: The case of Colombia

Valverde-Bruffau, V.J.; Cárdenas, L.; Gonzales Rengifo, Gustavo Francisco (American Society of Tropical Medicine and Hygiene, 2021)

The recent article “Negative Correlation between Altitude and COVID-19 Pandemic in Colombia: A Preliminary Report” published by Cano-Perez et al. Analyzed data from 70 municipalities in Colombia and concluded that increasing ...
Regional variation in the correlation of antibody and T-cell responses to Trypanosoma cruzi

Martin, Diana L.; Marks, Morgan; Galdos-Cardenas, Gerson; Gilman, Robert Hugh; Goodhew, Brook; Ferrufino, Lisbeth; Halperin, Anthony; Sanchez, Gerardo; Verastegui Pimentel, Manuela Renee; Escalante, Patricia; Naquira Velarde, Cesar Gabriel; Levy, Michael Z.; Bern, Caryn (American Society of Tropical Medicine and Hygiene, 2014)

Chagas disease, caused by the protozoan parasite Trypanosoma cruzi, is a major cause of morbidity and mortality in Central and South America. Geographic variations in the sensitivity of serologic diagnostic assays to T. ...
A scoping review of the health co-benefits of climate mitigation strategies in South America

Fernandez-Guzman, D.; Lavarello, R.; Yglesias-González, Marisol; Hartinger Peña, Stella Maria; Rojas-Rueda, D. (Elsevier, 2023)

The accelerated production of greenhouse gases (GHG) due to human activity has led to unprecedented global warming, making climate mitigation strategies crucial for minimizing its impacts. South America, a region highly ...
Sustained Domestic Vector Exposure Is Associated With Increased Chagas Cardiomyopathy Risk but Decreased Parasitemia and Congenital Transmission Risk Among Young Women in Bolivia

Kaplinski, Michelle; Jois, Malasa; Galdos-Cardenas, Gerson; Rendell, Victoria R.; Shah, Vishal; Do, Rose Q.; Marcus, Rachel; Pena, Melissa S. Burroughs; Abastoflor, Maria del Carmen; LaFuente, Carlos; Bozo, Ricardo; Valencia, Edward; Verastegui Pimentel, Manuela Renee; Colanzi, Rony; Gilman, Robert Hugh; Bern, Caryn (Oxford University Press, 2015)

BACKGROUND: We studied women and their infants to evaluate risk factors for congenital transmission and cardiomyopathy in Trypanosoma cruzi-infected women. METHODS: Women provided data and blood for serology and quantitative ...