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Performance levels of four Latin American laboratories for the serodiagnosis of Chagas disease in Mexican sera samples
Luquetti, Alejandro O; Espinoza, Bertha; Martínez, Ignacio; Hernández-Becerril, Nidia; Ponce, Carlos; Ponce, Elisa; Reyes, Pedro A; Hernández, Oscar; López, Ruth; Monteón, Victor.
  • Luquetti, Alejandro O; Universidade Federal de Goiás. Instituto de Patología Tropical e Saúde Pública. Goiania. BR
  • Espinoza, Bertha; Universidad Nacional Autónoma de México. Instituto Investigaciones Biomédicas. Departamento de Inmunología. México. MX
  • Martínez, Ignacio; Universidad Nacional Autónoma de México. Instituto Investigaciones Biomédicas. Departamento de Inmunología. México. MX
  • Hernández-Becerril, Nidia; Instituto Nacional Cardiología I. Chávez. MX
  • Ponce, Carlos; Secretaria de la Salud. Laboratorio de Referencia para Enfermedad de Chagas y Leishmaniasis. Tegucigalpa. HN
  • Ponce, Elisa; Secretaria de la Salud. Laboratorio de Referencia para Enfermedad de Chagas y Leishmaniasis. Tegucigalpa. HN
  • Reyes, Pedro A; Instituto Nacional Cardiología I. Chávez. MX
  • Hernández, Oscar; Universidad Autónoma Campeche. Centro Investigación Enfermedades Tropicales. Campeche. MX
  • López, Ruth; Universidad Autónoma Campeche. Centro Investigación Enfermedades Tropicales. Campeche. MX
  • Monteón, Victor; Instituto Nacional Cardiología I. Chávez. MX
Mem. Inst. Oswaldo Cruz ; 104(5): 797-800, Aug. 2009. tab
Article in English | LILACS | ID: lil-528093
ABSTRACT
In nearly all of the previous multicentre studies evaluating serological tests for Trypanosoma cruzi infection, sera samples from Central or South American countries have been used preferentially. In this work we compared the reliability of the serological tests using Mexican sera samples that were evaluated in four independent laboratories. This included a reference laboratory in Brazil and three participant laboratories, including one in Central America and two in Mexico. The kappa index between Brazilian and Honduran laboratories reached 1.0 and the index for the Mexican laboratories reached 0.94. Another finding of this study was that the source of antigen did not affect the performance of the serological tests.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Trypanosoma cruzi / Serologic Tests / Antibodies, Protozoan / Chagas Disease / Laboratories / Antigens, Protozoan Type of study: Diagnostic study Limits: Humans Country/Region as subject: Central America / South America / Brazil / Honduras / Mexico Language: English Journal: Mem. Inst. Oswaldo Cruz Journal subject: Tropical Medicine / Parasitology Year: 2009 Type: Article / Project document Affiliation country: Brazil / Honduras / Mexico Institution/Affiliation country: Instituto Nacional Cardiología I. Chávez/MX / Secretaria de la Salud/HN / Universidad Autónoma Campeche/MX / Universidad Nacional Autónoma de México/MX / Universidade Federal de Goiás/BR

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Full text: Available Index: LILACS (Americas) Main subject: Trypanosoma cruzi / Serologic Tests / Antibodies, Protozoan / Chagas Disease / Laboratories / Antigens, Protozoan Type of study: Diagnostic study Limits: Humans Country/Region as subject: Central America / South America / Brazil / Honduras / Mexico Language: English Journal: Mem. Inst. Oswaldo Cruz Journal subject: Tropical Medicine / Parasitology Year: 2009 Type: Article / Project document Affiliation country: Brazil / Honduras / Mexico Institution/Affiliation country: Instituto Nacional Cardiología I. Chávez/MX / Secretaria de la Salud/HN / Universidad Autónoma Campeche/MX / Universidad Nacional Autónoma de México/MX / Universidade Federal de Goiás/BR