Comparison of parasitological methods for the identification of soil-transmitted helminths, including Strongyloides stercoralis, in a regional reference laboratory in northwestern...
- Autores
- Nieves, Elvia Ester; Fleitas, Pedro Emanuel; Juárez, Marisa; Almazán, María Cristina; Flores, Gabriela; Alani, Jimena; Diaz, Ramón; Martos, Jorge; Cajal, Pamela; Cimino, Rubén Oscar; Krolewiecki, Alejandro Javier
- Año de publicación
- 2024
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Soil-transmitted helminths (STH) are a significant public health problem in impoverished communitiesof tropical and subtropical areas. Improved diagnostic methods are crucial for NeglectedTropical Diseases programs, particularly for S. stercoralis, as traditional methods are inadequate.Thus, it is important to identify the most accurate and efficient methods for the diagnosis of STH.We performed a retrospective study analyzing laboratory data at the Instituto de Investigacionesde Enfermedades Tropicales from 2010 to 2019. The study included data from outpatientsreferred for stool analysis and public health interventions from urban and rural communities innorthern Salta province, Argentina. Samples were included in this analysis if processed throughsedimentation/concentration, Baermann, Harada-Mori and McMaster´s, with a subgroup that alsoincluded Agar plate culture method (APC). Sensitivity was calculated against a compositereference standard. Of the 5625 samples collected, 944 qualified for this analysis, with a prevalenceof 11.14% for A. lumbricoides, 8.16% for hookworm, 1.38% for T. trichiura, and 6.36% forS. stercoralis. The sedimentation/concentration method was the most sensitive for A. lumbricoides(96%), compared to the McMaster method, with a sensitivity of 62%. Similarly, for hookworms,sedimentation/concentration was more sensitive than McMaster´s, Harada-Mori, and Baermannwith sensitivities of 87%, 70%, 43%, and 13%, respectively. Most of these infections were of light intensity. For S. stercoralis, Baermann and sedimentation/concentration methods were the mostsensitive, with 70% and 62% respectively, while Harada-Mori was the least sensitive. In a subsetof 389 samples also analyzed by the APC, Baermann was more sensitive than APC for detectingS. stercoralis, and both methods were superior to Harada-Mori. Parasitological methods, mostlywhen used combined, offer adequate opportunities for the diagnosis of STH in clinical and publichealth laboratories. The incorporation of S. stercoralis into the control strategies of the WorldHealth Organization requires rethinking the current diagnostic approach used for surveys. Withsedimentation/concentration and Baermann appearing as the most sensitive methods for thisspecies. Further studies, including implementation assessments, should help in identifying themost adequate and feasible all-STH diagnostic approach.
Fil: Nieves, Elvia Ester. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Fleitas, Pedro Emanuel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto de Salud Global de Barcelona; España
Fil: Juárez, Marisa. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina
Fil: Almazán, María Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina
Fil: Flores, Gabriela. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina
Fil: Alani, Jimena. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina
Fil: Diaz, Ramón. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina
Fil: Martos, Jorge. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina
Fil: Cajal, Pamela. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina
Fil: Cimino, Rubén Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina
Fil: Krolewiecki, Alejandro Javier. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina - Materia
-
SOIL TRANSMITTED HELMINTHS
STRONGYLOIDES STERCORALIS
BAERMANN
DIAGNOSTICS - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/243641
Ver los metadatos del registro completo
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CONICET Digital (CONICET) |
spelling |
Comparison of parasitological methods for the identification of soil-transmitted helminths, including Strongyloides stercoralis, in a regional reference laboratory in northwestern Argentina: An observational studyNieves, Elvia EsterFleitas, Pedro EmanuelJuárez, MarisaAlmazán, María CristinaFlores, GabrielaAlani, JimenaDiaz, RamónMartos, JorgeCajal, PamelaCimino, Rubén OscarKrolewiecki, Alejandro JavierSOIL TRANSMITTED HELMINTHSSTRONGYLOIDES STERCORALISBAERMANNDIAGNOSTICShttps://purl.org/becyt/ford/3.2https://purl.org/becyt/ford/3Soil-transmitted helminths (STH) are a significant public health problem in impoverished communitiesof tropical and subtropical areas. Improved diagnostic methods are crucial for NeglectedTropical Diseases programs, particularly for S. stercoralis, as traditional methods are inadequate.Thus, it is important to identify the most accurate and efficient methods for the diagnosis of STH.We performed a retrospective study analyzing laboratory data at the Instituto de Investigacionesde Enfermedades Tropicales from 2010 to 2019. The study included data from outpatientsreferred for stool analysis and public health interventions from urban and rural communities innorthern Salta province, Argentina. Samples were included in this analysis if processed throughsedimentation/concentration, Baermann, Harada-Mori and McMaster´s, with a subgroup that alsoincluded Agar plate culture method (APC). Sensitivity was calculated against a compositereference standard. Of the 5625 samples collected, 944 qualified for this analysis, with a prevalenceof 11.14% for A. lumbricoides, 8.16% for hookworm, 1.38% for T. trichiura, and 6.36% forS. stercoralis. The sedimentation/concentration method was the most sensitive for A. lumbricoides(96%), compared to the McMaster method, with a sensitivity of 62%. Similarly, for hookworms,sedimentation/concentration was more sensitive than McMaster´s, Harada-Mori, and Baermannwith sensitivities of 87%, 70%, 43%, and 13%, respectively. Most of these infections were of light intensity. For S. stercoralis, Baermann and sedimentation/concentration methods were the mostsensitive, with 70% and 62% respectively, while Harada-Mori was the least sensitive. In a subsetof 389 samples also analyzed by the APC, Baermann was more sensitive than APC for detectingS. stercoralis, and both methods were superior to Harada-Mori. Parasitological methods, mostlywhen used combined, offer adequate opportunities for the diagnosis of STH in clinical and publichealth laboratories. The incorporation of S. stercoralis into the control strategies of the WorldHealth Organization requires rethinking the current diagnostic approach used for surveys. Withsedimentation/concentration and Baermann appearing as the most sensitive methods for thisspecies. Further studies, including implementation assessments, should help in identifying themost adequate and feasible all-STH diagnostic approach.Fil: Nieves, Elvia Ester. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Fleitas, Pedro Emanuel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto de Salud Global de Barcelona; EspañaFil: Juárez, Marisa. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; ArgentinaFil: Almazán, María Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; ArgentinaFil: Flores, Gabriela. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; ArgentinaFil: Alani, Jimena. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; ArgentinaFil: Diaz, Ramón. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; ArgentinaFil: Martos, Jorge. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; ArgentinaFil: Cajal, Pamela. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; ArgentinaFil: Cimino, Rubén Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; ArgentinaFil: Krolewiecki, Alejandro Javier. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaElsevier2024-08info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/243641Nieves, Elvia Ester; Fleitas, Pedro Emanuel; Juárez, Marisa; Almazán, María Cristina; Flores, Gabriela; et al.; Comparison of parasitological methods for the identification of soil-transmitted helminths, including Strongyloides stercoralis, in a regional reference laboratory in northwestern Argentina: An observational study; Elsevier; Parasite Epidemiology and Control; 26; 8-2024; 1-72405-6731CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S2405673124000345info:eu-repo/semantics/altIdentifier/doi/10.1016/j.parepi.2024.e00370info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:52:15Zoai:ri.conicet.gov.ar:11336/243641instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 09:52:15.792CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Comparison of parasitological methods for the identification of soil-transmitted helminths, including Strongyloides stercoralis, in a regional reference laboratory in northwestern Argentina: An observational study |
title |
Comparison of parasitological methods for the identification of soil-transmitted helminths, including Strongyloides stercoralis, in a regional reference laboratory in northwestern Argentina: An observational study |
spellingShingle |
Comparison of parasitological methods for the identification of soil-transmitted helminths, including Strongyloides stercoralis, in a regional reference laboratory in northwestern Argentina: An observational study Nieves, Elvia Ester SOIL TRANSMITTED HELMINTHS STRONGYLOIDES STERCORALIS BAERMANN DIAGNOSTICS |
title_short |
Comparison of parasitological methods for the identification of soil-transmitted helminths, including Strongyloides stercoralis, in a regional reference laboratory in northwestern Argentina: An observational study |
title_full |
Comparison of parasitological methods for the identification of soil-transmitted helminths, including Strongyloides stercoralis, in a regional reference laboratory in northwestern Argentina: An observational study |
title_fullStr |
Comparison of parasitological methods for the identification of soil-transmitted helminths, including Strongyloides stercoralis, in a regional reference laboratory in northwestern Argentina: An observational study |
title_full_unstemmed |
Comparison of parasitological methods for the identification of soil-transmitted helminths, including Strongyloides stercoralis, in a regional reference laboratory in northwestern Argentina: An observational study |
title_sort |
Comparison of parasitological methods for the identification of soil-transmitted helminths, including Strongyloides stercoralis, in a regional reference laboratory in northwestern Argentina: An observational study |
dc.creator.none.fl_str_mv |
Nieves, Elvia Ester Fleitas, Pedro Emanuel Juárez, Marisa Almazán, María Cristina Flores, Gabriela Alani, Jimena Diaz, Ramón Martos, Jorge Cajal, Pamela Cimino, Rubén Oscar Krolewiecki, Alejandro Javier |
author |
Nieves, Elvia Ester |
author_facet |
Nieves, Elvia Ester Fleitas, Pedro Emanuel Juárez, Marisa Almazán, María Cristina Flores, Gabriela Alani, Jimena Diaz, Ramón Martos, Jorge Cajal, Pamela Cimino, Rubén Oscar Krolewiecki, Alejandro Javier |
author_role |
author |
author2 |
Fleitas, Pedro Emanuel Juárez, Marisa Almazán, María Cristina Flores, Gabriela Alani, Jimena Diaz, Ramón Martos, Jorge Cajal, Pamela Cimino, Rubén Oscar Krolewiecki, Alejandro Javier |
author2_role |
author author author author author author author author author author |
dc.subject.none.fl_str_mv |
SOIL TRANSMITTED HELMINTHS STRONGYLOIDES STERCORALIS BAERMANN DIAGNOSTICS |
topic |
SOIL TRANSMITTED HELMINTHS STRONGYLOIDES STERCORALIS BAERMANN DIAGNOSTICS |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/3.2 https://purl.org/becyt/ford/3 |
dc.description.none.fl_txt_mv |
Soil-transmitted helminths (STH) are a significant public health problem in impoverished communitiesof tropical and subtropical areas. Improved diagnostic methods are crucial for NeglectedTropical Diseases programs, particularly for S. stercoralis, as traditional methods are inadequate.Thus, it is important to identify the most accurate and efficient methods for the diagnosis of STH.We performed a retrospective study analyzing laboratory data at the Instituto de Investigacionesde Enfermedades Tropicales from 2010 to 2019. The study included data from outpatientsreferred for stool analysis and public health interventions from urban and rural communities innorthern Salta province, Argentina. Samples were included in this analysis if processed throughsedimentation/concentration, Baermann, Harada-Mori and McMaster´s, with a subgroup that alsoincluded Agar plate culture method (APC). Sensitivity was calculated against a compositereference standard. Of the 5625 samples collected, 944 qualified for this analysis, with a prevalenceof 11.14% for A. lumbricoides, 8.16% for hookworm, 1.38% for T. trichiura, and 6.36% forS. stercoralis. The sedimentation/concentration method was the most sensitive for A. lumbricoides(96%), compared to the McMaster method, with a sensitivity of 62%. Similarly, for hookworms,sedimentation/concentration was more sensitive than McMaster´s, Harada-Mori, and Baermannwith sensitivities of 87%, 70%, 43%, and 13%, respectively. Most of these infections were of light intensity. For S. stercoralis, Baermann and sedimentation/concentration methods were the mostsensitive, with 70% and 62% respectively, while Harada-Mori was the least sensitive. In a subsetof 389 samples also analyzed by the APC, Baermann was more sensitive than APC for detectingS. stercoralis, and both methods were superior to Harada-Mori. Parasitological methods, mostlywhen used combined, offer adequate opportunities for the diagnosis of STH in clinical and publichealth laboratories. The incorporation of S. stercoralis into the control strategies of the WorldHealth Organization requires rethinking the current diagnostic approach used for surveys. Withsedimentation/concentration and Baermann appearing as the most sensitive methods for thisspecies. Further studies, including implementation assessments, should help in identifying themost adequate and feasible all-STH diagnostic approach. Fil: Nieves, Elvia Ester. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Fleitas, Pedro Emanuel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto de Salud Global de Barcelona; España Fil: Juárez, Marisa. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina Fil: Almazán, María Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina Fil: Flores, Gabriela. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina Fil: Alani, Jimena. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina Fil: Diaz, Ramón. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina Fil: Martos, Jorge. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina Fil: Cajal, Pamela. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina Fil: Cimino, Rubén Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina Fil: Krolewiecki, Alejandro Javier. Universidad Nacional de Salta. Sede Regional Orán. Instituto de Investigación de Enfermedades Tropicales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina |
description |
Soil-transmitted helminths (STH) are a significant public health problem in impoverished communitiesof tropical and subtropical areas. Improved diagnostic methods are crucial for NeglectedTropical Diseases programs, particularly for S. stercoralis, as traditional methods are inadequate.Thus, it is important to identify the most accurate and efficient methods for the diagnosis of STH.We performed a retrospective study analyzing laboratory data at the Instituto de Investigacionesde Enfermedades Tropicales from 2010 to 2019. The study included data from outpatientsreferred for stool analysis and public health interventions from urban and rural communities innorthern Salta province, Argentina. Samples were included in this analysis if processed throughsedimentation/concentration, Baermann, Harada-Mori and McMaster´s, with a subgroup that alsoincluded Agar plate culture method (APC). Sensitivity was calculated against a compositereference standard. Of the 5625 samples collected, 944 qualified for this analysis, with a prevalenceof 11.14% for A. lumbricoides, 8.16% for hookworm, 1.38% for T. trichiura, and 6.36% forS. stercoralis. The sedimentation/concentration method was the most sensitive for A. lumbricoides(96%), compared to the McMaster method, with a sensitivity of 62%. Similarly, for hookworms,sedimentation/concentration was more sensitive than McMaster´s, Harada-Mori, and Baermannwith sensitivities of 87%, 70%, 43%, and 13%, respectively. Most of these infections were of light intensity. For S. stercoralis, Baermann and sedimentation/concentration methods were the mostsensitive, with 70% and 62% respectively, while Harada-Mori was the least sensitive. In a subsetof 389 samples also analyzed by the APC, Baermann was more sensitive than APC for detectingS. stercoralis, and both methods were superior to Harada-Mori. Parasitological methods, mostlywhen used combined, offer adequate opportunities for the diagnosis of STH in clinical and publichealth laboratories. The incorporation of S. stercoralis into the control strategies of the WorldHealth Organization requires rethinking the current diagnostic approach used for surveys. Withsedimentation/concentration and Baermann appearing as the most sensitive methods for thisspecies. Further studies, including implementation assessments, should help in identifying themost adequate and feasible all-STH diagnostic approach. |
publishDate |
2024 |
dc.date.none.fl_str_mv |
2024-08 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/243641 Nieves, Elvia Ester; Fleitas, Pedro Emanuel; Juárez, Marisa; Almazán, María Cristina; Flores, Gabriela; et al.; Comparison of parasitological methods for the identification of soil-transmitted helminths, including Strongyloides stercoralis, in a regional reference laboratory in northwestern Argentina: An observational study; Elsevier; Parasite Epidemiology and Control; 26; 8-2024; 1-7 2405-6731 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/243641 |
identifier_str_mv |
Nieves, Elvia Ester; Fleitas, Pedro Emanuel; Juárez, Marisa; Almazán, María Cristina; Flores, Gabriela; et al.; Comparison of parasitological methods for the identification of soil-transmitted helminths, including Strongyloides stercoralis, in a regional reference laboratory in northwestern Argentina: An observational study; Elsevier; Parasite Epidemiology and Control; 26; 8-2024; 1-7 2405-6731 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S2405673124000345 info:eu-repo/semantics/altIdentifier/doi/10.1016/j.parepi.2024.e00370 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier |
publisher.none.fl_str_mv |
Elsevier |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1842269146434240512 |
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13.13397 |