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Differences in prevalence of geohelminth infections between indigenous and settler populations in a remote Amazonian region of Peru
Objective To compare prevalences of intestinal helminths and waterborne protozoa in indigenous and settler populations in a remote area of Peru. These populations live in adjacent but segregated small urban villages. Methods Stool samples were collected from representative members of these two popul...
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| Published in: | Tropical medicine & international health 2013-05, Vol.18 (5), p.615-618 |
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| creator | Briones‐Chávez, Carlo Torres‐Zevallos, Hernando Canales, Marco Stamato, Caroline M. O'Riordan, Thomas G. Terashima, Angélica |
| description | Objective
To compare prevalences of intestinal helminths and waterborne protozoa in indigenous and settler populations in a remote area of Peru. These populations live in adjacent but segregated small urban villages.
Methods
Stool samples were collected from representative members of these two populations and analysed for geohelminths and protozoa.
Results
The risk of soil‐transmitted helminths is significantly higher in the settler than the indigenous population in the same isolated region of Peru (OR 5.18; 95% CI 3.44–7.81; P |
| doi_str_mv | 10.1111/tmi.12077 |
| format | article |
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To compare prevalences of intestinal helminths and waterborne protozoa in indigenous and settler populations in a remote area of Peru. These populations live in adjacent but segregated small urban villages.
Methods
Stool samples were collected from representative members of these two populations and analysed for geohelminths and protozoa.
Results
The risk of soil‐transmitted helminths is significantly higher in the settler than the indigenous population in the same isolated region of Peru (OR 5.18; 95% CI 3.44–7.81; P < 0.001). In contrast, the rates of protozoa presence were similar in both populations (OR 1.28; 95% CI 0.77–2.14; P = 0.336).
Conclusions
Potential explanations for unexpected finding of a lower prevalence of helminths in indigenous relative to the settler population could include housing design in flood – prone areas and the use of local medicinal plants that possibly have antihelmintic properties.
Objectif
Comparer les prévalences des helminthiases intestinales et des protozoaires aquatiques dans les populations autochtones et récentes dans une zone reculée du Pérou. Ces populations vivent en voisinage mais séparées dans de petits villages urbains.
Méthodes
Des échantillons de selles ont été recueillis auprès des membres représentatifs de ces deux populations et analysés pour les géohelminthes et les protozoaires.
Résultats
Le risque de géohelminthiases est significativement plus élevé chez les populations récentes que chez les autochtones dans la même région isolée du Pérou (OR: 5,18; IC95%: 3,44 à 7,81, P < 0,001). En revanche, les taux de présence des protozoaires étaient similaires dans les deux populations (OR: 1,28; IC95%: 0,77 à 2,14, P = 0,336).
Conclusions
Les raisons de ces résultats inattendus pourraient être la conception des logements dans les zones inondables et l'utilisation de plantes médicinales locales ayant peut‐être des propriétés vermifuges.
Objetivo
Comparar las prevalencias de helmintos intestinales y protozoos acuáticos en poblaciones indígenas y de colonos en áreas remotas del Perú. Estas poblaciones viven en pequeñas poblaciones urbanas, adyacentes pero segregadas.
Métodos
Se recolectaron muestras de heces de miembros representativos de estas dos poblaciones y se analizaron en busca de geohelmintos y protozoos.
Resultados
El riesgo de helmintiasis transmitida por tierra es significativamente mayor entre las poblaciones de colonos que entre los indígenas de la misma región aislada del Perú (OR 5.18; IC 95% 3.44–7.81; P < .001). En contraste, las tasas de presencia de protozoos eran similares en ambas poblaciones (OR 1.28; IC 95% 0.77–2.14; P = 0.336).
Conclusiones
Las razones de estos hallazgos inesperados podrían ser el diseño de las casas en áreas con tendencia a las inundaciones y el uso de plantas medicinales locales que podrían tener propiedades antihelmínticas.</description><identifier>ISSN: 1360-2276</identifier><identifier>EISSN: 1365-3156</identifier><identifier>DOI: 10.1111/tmi.12077</identifier><identifier>PMID: 23410244</identifier><language>eng</language><publisher>Oxford: Blackwell</publisher><subject>Adolescent ; Adult ; Aged ; Aged, 80 and over ; Animals ; Biological and medical sciences ; Child ; Child, Preschool ; Feces - parasitology ; Female ; General aspects ; Helminthiasis - ethnology ; Helminthiasis - parasitology ; helminths ; Helminths - isolation & purification ; Humans ; Indians, South American - ethnology ; Infectious diseases ; Intestinal Diseases, Parasitic - ethnology ; Intestinal Diseases, Parasitic - parasitology ; Logistic Models ; Male ; Medical sciences ; Middle Aged ; Parasites ; Peru ; Peru - epidemiology ; Prevalence ; Protozoa ; Protozoan Infections - ethnology ; Protozoan Infections - parasitology ; Risk factors ; Young Adult</subject><ispartof>Tropical medicine & international health, 2013-05, Vol.18 (5), p.615-618</ispartof><rights>2013 Blackwell Publishing Ltd</rights><rights>2014 INIST-CNRS</rights><rights>2013 Blackwell Publishing Ltd.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,27911,27912</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27216542$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23410244$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Briones‐Chávez, Carlo</creatorcontrib><creatorcontrib>Torres‐Zevallos, Hernando</creatorcontrib><creatorcontrib>Canales, Marco</creatorcontrib><creatorcontrib>Stamato, Caroline M.</creatorcontrib><creatorcontrib>O'Riordan, Thomas G.</creatorcontrib><creatorcontrib>Terashima, Angélica</creatorcontrib><title>Differences in prevalence of geohelminth infections between indigenous and settler populations in a remote Amazonian region of Peru</title><title>Tropical medicine & international health</title><addtitle>Trop Med Int Health</addtitle><description>Objective
To compare prevalences of intestinal helminths and waterborne protozoa in indigenous and settler populations in a remote area of Peru. These populations live in adjacent but segregated small urban villages.
Methods
Stool samples were collected from representative members of these two populations and analysed for geohelminths and protozoa.
Results
The risk of soil‐transmitted helminths is significantly higher in the settler than the indigenous population in the same isolated region of Peru (OR 5.18; 95% CI 3.44–7.81; P < 0.001). In contrast, the rates of protozoa presence were similar in both populations (OR 1.28; 95% CI 0.77–2.14; P = 0.336).
Conclusions
Potential explanations for unexpected finding of a lower prevalence of helminths in indigenous relative to the settler population could include housing design in flood – prone areas and the use of local medicinal plants that possibly have antihelmintic properties.
Objectif
Comparer les prévalences des helminthiases intestinales et des protozoaires aquatiques dans les populations autochtones et récentes dans une zone reculée du Pérou. Ces populations vivent en voisinage mais séparées dans de petits villages urbains.
Méthodes
Des échantillons de selles ont été recueillis auprès des membres représentatifs de ces deux populations et analysés pour les géohelminthes et les protozoaires.
Résultats
Le risque de géohelminthiases est significativement plus élevé chez les populations récentes que chez les autochtones dans la même région isolée du Pérou (OR: 5,18; IC95%: 3,44 à 7,81, P < 0,001). En revanche, les taux de présence des protozoaires étaient similaires dans les deux populations (OR: 1,28; IC95%: 0,77 à 2,14, P = 0,336).
Conclusions
Les raisons de ces résultats inattendus pourraient être la conception des logements dans les zones inondables et l'utilisation de plantes médicinales locales ayant peut‐être des propriétés vermifuges.
Objetivo
Comparar las prevalencias de helmintos intestinales y protozoos acuáticos en poblaciones indígenas y de colonos en áreas remotas del Perú. Estas poblaciones viven en pequeñas poblaciones urbanas, adyacentes pero segregadas.
Métodos
Se recolectaron muestras de heces de miembros representativos de estas dos poblaciones y se analizaron en busca de geohelmintos y protozoos.
Resultados
El riesgo de helmintiasis transmitida por tierra es significativamente mayor entre las poblaciones de colonos que entre los indígenas de la misma región aislada del Perú (OR 5.18; IC 95% 3.44–7.81; P < .001). En contraste, las tasas de presencia de protozoos eran similares en ambas poblaciones (OR 1.28; IC 95% 0.77–2.14; P = 0.336).
Conclusiones
Las razones de estos hallazgos inesperados podrían ser el diseño de las casas en áreas con tendencia a las inundaciones y el uso de plantas medicinales locales que podrían tener propiedades antihelmínticas.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Child</subject><subject>Child, Preschool</subject><subject>Feces - parasitology</subject><subject>Female</subject><subject>General aspects</subject><subject>Helminthiasis - ethnology</subject><subject>Helminthiasis - parasitology</subject><subject>helminths</subject><subject>Helminths - isolation & purification</subject><subject>Humans</subject><subject>Indians, South American - ethnology</subject><subject>Infectious diseases</subject><subject>Intestinal Diseases, Parasitic - ethnology</subject><subject>Intestinal Diseases, Parasitic - parasitology</subject><subject>Logistic Models</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Parasites</subject><subject>Peru</subject><subject>Peru - epidemiology</subject><subject>Prevalence</subject><subject>Protozoa</subject><subject>Protozoan Infections - ethnology</subject><subject>Protozoan Infections - parasitology</subject><subject>Risk factors</subject><subject>Young Adult</subject><issn>1360-2276</issn><issn>1365-3156</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqNkstu1TAQhiMEoqWw4AWQJYTEJq3HlzhdVuVWqQgWZR05zvjUlWMHO2lVtn3xOuccQGKFNx7P_2nGY_9V9RroMZR1Mo_uGBhV6kl1CLyRNQfZPN3GtGZMNQfVi5xvKKVCyOZ5dcC4AMqEOKwePjhrMWEwmIkLZEp4q_16JNGSDcZr9KML83URLZrZxZBJj_MdYiipwW0wxCUTHQaScZ49JjLFafF6h5aSmiQc44zkbNS_YnA6lMSmqGuH75iWl9Uzq33GV_v9qPrx6ePV-Zf68tvni_Ozy3riSqlaCNaeQmuokKdMDzhQZhG40rQHDcIao7SSfQMwCJCUtZpaiVa0fdv2hjN-VL3f1Z1S_LlgnrvRZYPe64Blhg4EMFneCP4D5axRrAGlCvr2H_QmLimUQVZKMtlQulJv9tTSjzh0U3KjTvfd758owLs9oLPR3iYdjMt_OcWgkWK92cmOu3Me7__oQLvVCl2xQre1Qnf19WIb8EeT56Wv</recordid><startdate>201305</startdate><enddate>201305</enddate><creator>Briones‐Chávez, Carlo</creator><creator>Torres‐Zevallos, Hernando</creator><creator>Canales, Marco</creator><creator>Stamato, Caroline M.</creator><creator>O'Riordan, Thomas G.</creator><creator>Terashima, Angélica</creator><general>Blackwell</general><general>Blackwell Publishing Ltd</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7T2</scope><scope>7U9</scope><scope>C1K</scope><scope>H94</scope><scope>K9.</scope><scope>M7N</scope><scope>7X8</scope><scope>F1W</scope><scope>H95</scope><scope>H97</scope><scope>L.G</scope></search><sort><creationdate>201305</creationdate><title>Differences in prevalence of geohelminth infections between indigenous and settler populations in a remote Amazonian region of Peru</title><author>Briones‐Chávez, Carlo ; Torres‐Zevallos, Hernando ; Canales, Marco ; Stamato, Caroline M. ; O'Riordan, Thomas G. ; Terashima, Angélica</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p3777-4428918c04592aded02fe137a0b1a14fcc7a75b611d415028a0f5ef48b88bc323</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Child</topic><topic>Child, Preschool</topic><topic>Feces - parasitology</topic><topic>Female</topic><topic>General aspects</topic><topic>Helminthiasis - ethnology</topic><topic>Helminthiasis - parasitology</topic><topic>helminths</topic><topic>Helminths - isolation & purification</topic><topic>Humans</topic><topic>Indians, South American - ethnology</topic><topic>Infectious diseases</topic><topic>Intestinal Diseases, Parasitic - ethnology</topic><topic>Intestinal Diseases, Parasitic - parasitology</topic><topic>Logistic Models</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Parasites</topic><topic>Peru</topic><topic>Peru - epidemiology</topic><topic>Prevalence</topic><topic>Protozoa</topic><topic>Protozoan Infections - ethnology</topic><topic>Protozoan Infections - parasitology</topic><topic>Risk factors</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Briones‐Chávez, Carlo</creatorcontrib><creatorcontrib>Torres‐Zevallos, Hernando</creatorcontrib><creatorcontrib>Canales, Marco</creatorcontrib><creatorcontrib>Stamato, Caroline M.</creatorcontrib><creatorcontrib>O'Riordan, Thomas G.</creatorcontrib><creatorcontrib>Terashima, Angélica</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>Health and Safety Science Abstracts (Full archive)</collection><collection>Virology and AIDS Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>MEDLINE - Academic</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Tropical medicine & international health</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Briones‐Chávez, Carlo</au><au>Torres‐Zevallos, Hernando</au><au>Canales, Marco</au><au>Stamato, Caroline M.</au><au>O'Riordan, Thomas G.</au><au>Terashima, Angélica</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Differences in prevalence of geohelminth infections between indigenous and settler populations in a remote Amazonian region of Peru</atitle><jtitle>Tropical medicine & international health</jtitle><addtitle>Trop Med Int Health</addtitle><date>2013-05</date><risdate>2013</risdate><volume>18</volume><issue>5</issue><spage>615</spage><epage>618</epage><pages>615-618</pages><issn>1360-2276</issn><eissn>1365-3156</eissn><abstract>Objective
To compare prevalences of intestinal helminths and waterborne protozoa in indigenous and settler populations in a remote area of Peru. These populations live in adjacent but segregated small urban villages.
Methods
Stool samples were collected from representative members of these two populations and analysed for geohelminths and protozoa.
Results
The risk of soil‐transmitted helminths is significantly higher in the settler than the indigenous population in the same isolated region of Peru (OR 5.18; 95% CI 3.44–7.81; P < 0.001). In contrast, the rates of protozoa presence were similar in both populations (OR 1.28; 95% CI 0.77–2.14; P = 0.336).
Conclusions
Potential explanations for unexpected finding of a lower prevalence of helminths in indigenous relative to the settler population could include housing design in flood – prone areas and the use of local medicinal plants that possibly have antihelmintic properties.
Objectif
Comparer les prévalences des helminthiases intestinales et des protozoaires aquatiques dans les populations autochtones et récentes dans une zone reculée du Pérou. Ces populations vivent en voisinage mais séparées dans de petits villages urbains.
Méthodes
Des échantillons de selles ont été recueillis auprès des membres représentatifs de ces deux populations et analysés pour les géohelminthes et les protozoaires.
Résultats
Le risque de géohelminthiases est significativement plus élevé chez les populations récentes que chez les autochtones dans la même région isolée du Pérou (OR: 5,18; IC95%: 3,44 à 7,81, P < 0,001). En revanche, les taux de présence des protozoaires étaient similaires dans les deux populations (OR: 1,28; IC95%: 0,77 à 2,14, P = 0,336).
Conclusions
Les raisons de ces résultats inattendus pourraient être la conception des logements dans les zones inondables et l'utilisation de plantes médicinales locales ayant peut‐être des propriétés vermifuges.
Objetivo
Comparar las prevalencias de helmintos intestinales y protozoos acuáticos en poblaciones indígenas y de colonos en áreas remotas del Perú. Estas poblaciones viven en pequeñas poblaciones urbanas, adyacentes pero segregadas.
Métodos
Se recolectaron muestras de heces de miembros representativos de estas dos poblaciones y se analizaron en busca de geohelmintos y protozoos.
Resultados
El riesgo de helmintiasis transmitida por tierra es significativamente mayor entre las poblaciones de colonos que entre los indígenas de la misma región aislada del Perú (OR 5.18; IC 95% 3.44–7.81; P < .001). En contraste, las tasas de presencia de protozoos eran similares en ambas poblaciones (OR 1.28; IC 95% 0.77–2.14; P = 0.336).
Conclusiones
Las razones de estos hallazgos inesperados podrían ser el diseño de las casas en áreas con tendencia a las inundaciones y el uso de plantas medicinales locales que podrían tener propiedades antihelmínticas.</abstract><cop>Oxford</cop><pub>Blackwell</pub><pmid>23410244</pmid><doi>10.1111/tmi.12077</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1360-2276 |
| ispartof | Tropical medicine & international health, 2013-05, Vol.18 (5), p.615-618 |
| issn | 1360-2276 1365-3156 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1412500412 |
| source | Wiley-Blackwell Read & Publish Collection |
| subjects | Adolescent Adult Aged Aged, 80 and over Animals Biological and medical sciences Child Child, Preschool Feces - parasitology Female General aspects Helminthiasis - ethnology Helminthiasis - parasitology helminths Helminths - isolation & purification Humans Indians, South American - ethnology Infectious diseases Intestinal Diseases, Parasitic - ethnology Intestinal Diseases, Parasitic - parasitology Logistic Models Male Medical sciences Middle Aged Parasites Peru Peru - epidemiology Prevalence Protozoa Protozoan Infections - ethnology Protozoan Infections - parasitology Risk factors Young Adult |
| title | Differences in prevalence of geohelminth infections between indigenous and settler populations in a remote Amazonian region of Peru |
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