Listar por tema "blood sampling"

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  • Detection of human leptospirosis as a cause of acute fever by capture ELISA using a Leptospira interrogans serovar Copenhageni (M20) derived antigen 
    Canal, Enrique; Pollett, Simon; Heitzinger, Kristen; Gregory, Michael; Kasper, Matthew; Halsey, Eric; Meza, Yocelinda; Campos, Kalina; Perez, Juan; Meza, Rina; Bernal, Maruja; Guillen, Alfredo; Kochel, Tadeusz J.; Espinosa, Benjamin; Hall, Eric R.; Maves, Ryan C. (BioMed Central, 2013)
    Background: Leptospirosis is a potentially lethal zoonosis mainly affecting low-resource tropical countries, including Peru and its neighbouring countries. Timely diagnosis of leptospirosis is critical but may be challenging ...
  • Development of a novel protocol based on blood clot to improve the sensitivity of qPCR detection of toxoplasma gondii in peripheral blood specimens 
    Gutierrez Loli, Renzo Marcelo; Ferradas, C.; Diestra, A.; Traianou, A.; Bowman, N.; Bok, J.; Reimer-McAtee, M.; Ramal, C.; Ticona, E.; Steinberg, H.; Mayta, H.; Calderón Sánchez, Maritza Mercedes; Calla Choque, Jaeson Santos; Sterling, C.; Gilman, Robert Hugh; Pinedo, L.C.; Valencia, G.; Sanchez, L.; Málaga, E.; Zhu, D.; Jiménez, J.; Bern, C.; Angulo, N.; Schiaffino Salazar, Francesca; Acosta, J.; Holtz, M.; Clark, D.; Clark, T.; Trompeter, G.; Choi, J.; Gandarilla, O.; Dorn, M.; Fortuny, E.; Galdos, G.; Colanzi, R. (American Society of Tropical Medicine and Hygiene, 2019)
    Quantitative polymerase chain reaction (qPCR) for Toxoplasma gondii multicopy genes has emerged as a promising strategy for sensitive detection of parasite DNA. qPCR can be performed from blood samples, which are minimally ...
  • Diphyllobothrium pacificum infection is seldom associated with megaloblastic anemia 
    Jimenez, J.A.; Rodriguez, S.; Gamboa Morán, Ricardo; Rodriguez, L.; García Lescano, Héctor Hugo (American Society of Tropical Medicine and Hygiene, 2012)
    Twenty cases of Dyphillobothrium pacificum (fish tapeworm) infections were prospectively studied to determine whether this tapeworm is associated with megaloblastic anemia, as commonly reported for D. latum infections. The ...
  • A dot-ELISA using a partially purified cathepsin-L-like protein fraction from Taenia solium cysticerci, for the diagnosis of human neurocysticercosis 
    Piña, R.; Gutiérrez, A.H.; Gilman, Robert Hugh; Rueda, D.; Sifuentes, C.; Flores, M.; Sheen Cortavarria, Patricia; Rodriguez, S.; García Lescano, Héctor Hugo; Zimic-Peralta, Mirko Juan (Taylor and Francis, 2011)
    Human neurocysticercosis (NCC), caused by the cestode Taenia solium, is responsible for a significant amount of neurological morbidity and epilepsy in developing countries. The disease remains highly endemic in many areas, ...
  • Effectiveness of a malaria surveillance strategy based on active case detection during high transmission season in the Peruvian Amazon 
    Moreno-Gutierrez, Diamantina; Llanos Cuentas, Elmer Alejandro; Luis Barboza, Jose; Contreras-Mancilla, Juan; Gamboa Vilela, Dionicia Baziliza; Rodriguez, Hugo; Carrasco Escobar, Gabriel; Boreux, Raphael; Hayette, Marie-Pierre; Beutels, Philippe; Speybroeck, Niko; Rosas-Aguirre, Angel (MDPI, 2018)
    Background: Faced with the resurgence of malaria, malaria surveillance in the Peruvian Amazon incorporated consecutive active case detection (ACD) interventions using light microscopy (LM) as reactive measure in communities ...
  • A field trial of alternative targeted screening strategies for chagas disease in Arequipa, Peru 
    Hunter, G.C.; Borrini-Mayorí, K.; Ancca Juárez, J.; Castillo Neyra, Ricardo; Verastegui Pimentel, Manuela Renee; Malaga Chavez, F.S.; del Cornejo Carpio, J.G.; Córdova Benzaquen, E.; Naquira Velarde, Cesar Gabriel; Gilman, Robert Hugh; Bern, C.; Levy, M.Z. (Public Library of Science, 2012)
    Background: Chagas disease is endemic in the rural areas of southern Peru and a growing urban problem in the regional capital of Arequipa, population ~860,000. It is unclear how to implement cost-effective screening programs ...
  • Impact of an Andean breakfast on biochemistry and immunochemistry laboratory tests: an evaluation on behalf COLABIOCLI WG-PRE-LATAM. 
    Bajaña, W.; Aranda, E.; Arredondo, M.E.; Brennan-Bourdon, L.M.; Campelo, M.D.; Espinoza, E.; Flores, S.; Ochoa, P.; Vega, V.; Varela, B.; Lima-Oliveira, G. (Croatian Society of Medical Biochemistry and Laboratory Medicine, 2019)
    Introduction: In Andean countries, specifically in Ecuador, a food transition in the population has been observed because of economic growth. The Working Group for Preanalytical Phase in Latin America (WG-PRE-LATAM) of the ...
  • Improved DNA extraction technique from clot for the diagnosis of Chagas disease 
    Mayta, Holger; Romero, Yomara K.; Pando, Alejandra; Verastegui Pimentel, Manuela Renee; Tinajeros, Freddy; Bozo, Ricardo; Henderson-Frost, Josephine; Colanzi, Rony; Flores, Jorge; Lerner, Richard; Bern, Caryn; Gilman, Robert Hugh (Public Library of Science, 2019)
    BACKGROUND: The detection of Trypanosoma cruzi genetic material in clinical samples is considered an important diagnostic tool for Chagas disease. We have previously demonstrated that PCR using clot samples yields greater ...
  • Increased levels of serum γ-glutamyltransferase and uric acid on metabolic, hepatic and kidney parameters in subjects at high altitudes 
    Gonzales Rengifo, Gustavo Francisco; Tapia Aguirre, Vilma Lucrecia (De Gruyter, 2014)
    Background: Currently there are no studies on γ-glutamyltransferase (γGT) levels at high altitude or on the relationship between γGT, uric acid and several dysfunctions. The aim of the study was to determine the association ...
  • Molecular epidemiology of plasmodium falciparum malaria outbreak, Tumbes, Peru, 2010–2012 
    Baldeviano, G.C.; Akinyi Okoth, S.; Arrospide, N.; Gonzalez, R.V.; Sánchez, J.F.; Macedo, S.; Conde, S.; Tapia, L.L.; Salas, C.; Gamboa Vilela, Dionicia Baziliza; Herrera, Y.; Edgel, K.A.; Udhayakumar, V.; Lescano Guevara, Andres Guillermo (Centers for Disease Control and Prevention, 2015)
    During 2010–2012, an outbreak of 210 cases of malaria occurred in Tumbes, in the northern coast of Peru, where no Plasmodium falciparum malaria case had been reported since 2006. To identify the source of the parasite ...
  • Molecular typing of "Candidatus bartonella ancashi," A new human pathogen causing Verruga Peruana 
    Mullins, Kristin E.; Hang, Jun; Jiang, Ju; Leguia, Mariana; Kasper, Matthew R.; Maguiña Vargas, Ciro; Jarman, Richard G.; Blazes, David L.; Richards, Allen L. (American Society for Microbiology, 2013)
    A recently described clinical isolate, “Candidatus Bartonella ancashi,” was obtained from a blood sample of a patient presenting with verruga peruana in the Ancash region of Peru. This sample and a second isolate obtained ...
  • Mycobacterium tuberculosis-specific cytokine biomarkers for the diagnosis of childhood TB in a TB-endemic setting 
    Sudbury, Eva L.; Otero Vegas, Larissa; Tebruegge, Marc; Messina, Nicole L.; Seas Ramos, Carlos Rafael; Montes Delgado, Martin; Rios, Julia; Germano, Susie; Gardiner, Kaya; Clifford, Vanessa; Gotuzzo Herencia, José Eduardo; Curtis, Nigel (Elsevier, 2019)
    The tuberculin skin test and interferon-gamma release assays have limitations in diagnosing tuberculosis (TB), particularly in children. This study investigated the performance of candidate M. tuberculosis-specific cytokine ...
  • Presumptive tests: A substitute for Benzidine in blood samples recognition 
    Gomes, C.; López-Matayoshi, C.; Palomo-Díez, S.; López-Parra, A. M.; Cuesta-Alvaro, P.; Baeza-Richer, C.; Gibaja, J. F.; Arroyo-Pardo, E. (Elsevier, 2017)
    The nature of the sample in a forensic case is one of the most important factors, since it determines the posterior analysis, helping to define or discard its identity (like blood versus semen). A presumptive test is a ...
  • Seropositividad a Herpesvirus Canino tipo 1 en canes con antecedentes de problemas reproductivos en criaderos de Lima 
    Machuca, Valeria; Jara, L.M.; Echevarría Curee, Luisa Inés (Facultad de Medicina Veterinaria. Universidad Nacional Mayor de San Marcos, 2021)
    The aim of this study was to evaluate the serological frequency of canine herpesvirus type 1 (CHV-1) in dogs with a history of reproductive problems (infertility, embryo reabsorption, abortions and stillbirths) in kennels ...
  • Seroprevalencia de Leptospirosis en Puente Piedra, Lima en el año 2006 
    Platts-Mills, J.A.; LaRochelle, P.; Campos, K.; Vinetz, Joseph Michael; Gotuzzo Herencia, José Eduardo; Ricaldi, J.N. (Instituto Nacional de Salud, 2011)
    Leptospirosis is a disease widely prevalent in tropical areas, but may also be present in urban areas. The present study aims to determine the seroprevalence of Leptospira in the district of Puente Piedra, where there have ...

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