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3 results on '"Wasana Khaungaew"'

1. Water and health: what is the risk and visible burden of the exposure to environmental contaminations? Insights from a questionnaire-based survey in Northern Thailand

Author

Wasana Khaungaew, Kraichat Tantrakarnapa, Jean-Louis Janeau, Vincent Herbreteau, UMR 228 Espace-Dev, Espace pour le développement, Université des Antilles (UA)-Université de Guyane (UG)-Université de Montpellier (UM)-Université de La Réunion (UR)-Avignon Université (AU)-Université de Perpignan Via Domitia (UPVD)-Institut de Recherche pour le Développement (IRD), Phrae provincial Public Health Office, Ministry of Public Health - Thailande, Institut de Recherche pour le Développement (IRD), Biogéochimie et écologie des milieux continentaux (Bioemco), Centre National de la Recherche Scientifique (CNRS)-AgroParisTech-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de la Recherche Agronomique (INRA)-École normale supérieure - Paris (ENS Paris), Géosciences Environnement Toulouse (GET), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Université Fédérale Toulouse Midi-Pyrénées-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS), Serge Morand, Jean-Pierre Dujardin, Régine Lefait-Robin, Chamnarn Apiwathnasorn, Université de Guyane (UG)-Université des Antilles (UA)-Institut de Recherche pour le Développement (IRD)-Université de Perpignan Via Domitia (UPVD)-Avignon Université (AU)-Université de La Réunion (UR)-Université de Montpellier (UM), École normale supérieure - Paris (ENS Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut National de la Recherche Agronomique (INRA)-Université Pierre et Marie Curie - Paris 6 (UPMC)-AgroParisTech-Centre National de la Recherche Scientifique (CNRS), Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD), Institut de Recherche pour le Développement (IRD)-Université de Perpignan Via Domitia (UPVD)-Avignon Université (AU)-Université de La Réunion (UR)-Université de Montpellier (UM)-Université de Guyane (UG)-Université des Antilles (UA), École normale supérieure - Paris (ENS-PSL), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut de Recherche pour le Développement (IRD)-Institut National de la Recherche Agronomique (INRA)-Université Pierre et Marie Curie - Paris 6 (UPMC)-AgroParisTech-Centre National de la Recherche Scientifique (CNRS), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), Morand, S. (ed.), Dujardin, Jean-Pierre (ed.), Lefait-Robin, R. (ed.), and Apiwathnasorn, C. (ed.)

Subjects
medicine.medical_specialty, Inequality, Environmental contamination, media_common.quotation_subject, Context (language use), Environmental pollution, 010501 environmental sciences, 01 natural sciences, 03 medical and health sciences, 0302 clinical medicine, Environmental health, Epidemiology, Northern Thailand, medicine, 030212 general & internal medicine, Environmental planning, 0105 earth and related environmental sciences, media_common, Downstream (petroleum industry), 2. Zero hunger, business.industry, Public health, Water, [SHS.GEO]Humanities and Social Sciences/Geography, 15. Life on land, Risk exposure, [SDE.ES]Environmental Sciences/Environmental and Society, 6. Clean water, 3. Good health, Incentive, Geography, 13. Climate action, Agriculture, Health, [SDV.SPEE]Life Sciences [q-bio]/Santé publique et épidémiologie, business
Abstract

International audience; Understanding and measuring the consequences of environmental pollution on human health remains a challenge. Several barriers arise, with the difficulty in identifying uncommon pathologies but also with the limited knowledge of the real health status of populations that depends on the supply and use of care. In an effort to assess these barriers, we chose a study area severely affected by agricultural intensification to investigate the potential and visible impact of water pollution on human health. Located in northern Thailand, the study area includes a watershed, its reservoir and the irrigated area downstream. A questionnaire-based survey was conducted to assess the exposure of 297 households to potential water pollutions and understand their behaviour regarding the use of water and recourse to health services. The observations are discussed in the light of the epidemiological records provided by the Ministry of Public Health for the same area. The study shows the heterogeneity of the epidemiological data and the difficulty to assess the sanitary risk. Despite the small size of the study area, inequalities are observed, with remote populations having a poorer access to water with occasional shortage and a limited use of health services. In this context, the intensification of agriculture and the massive use of pesticides and fertilizers are likely to have serious consequences on human health. However, the impact of potential environmental pollution is not visible from the epidemiological records, because of a difficult diagnosis, a lack of consultation when symptoms are reversible and the long latency before clinical symptoms are apparent (example of cancers). Prevention and incentive from health authorities should help in reducing this risk.

Published
2015

2. Use of geographic information system and remote sensing for assessing environment influence on leptospirosis incidence, Phrae province, Thailand

Author

Vincent Herbreteau, Florent Demoraes, Wasana Khaungaew, Jean-Pierre Hugot, Jean-Paul Gonzalez, Pattamaporn Kittayapong, Marc Souris, Institut des Sciences de l'Evolution de Montpellier (UMR ISEM), École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Montpellier (UM)-Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Centre National de la Recherche Scientifique (CNRS)-Institut de recherche pour le développement [IRD] : UR226, Institut de Recherche pour le Développement, UR 178 Fundamentals & Domains of Disease Emergence (IRD UR178), Phrae provincial Public Health Office, Ministry of Public Health - Thailande, Pharmacogénétique et abords thérapeutiques des maladies héréditaires, Institut National de la Santé et de la Recherche Médicale (INSERM), Fondation Jean Dausset, Inflammation intestinale pathologique de l'enfant, Université Paris Diderot - Paris 7 (UPD7)-Institut National de la Santé et de la Recherche Médicale (INSERM), Conditions et territoires d'émergence des maladies : dynamiques spatio-temporelles de l'émergence, évolution, diffusion/réduction des maladies, résistance et prémunition des hôtes (CTEM), Center of Excellence for Vectors and Vector-Borne Diseases (CVVD), Mahidol University [Bangkok], Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-École Pratique des Hautes Études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Montpellier (UM)-Institut de recherche pour le développement [IRD] : UR226-Centre National de la Recherche Scientifique (CNRS), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-École pratique des hautes études (EPHE), and Demoraes, Florent

Subjects
Rice growing, EPIDEMIOLOGIE, SYSTEME D'INFORMATION GEOGRAPHIQUE, Epidemiology, [SHS.GEO] Humanities and Social Sciences/Geography, Geographic Information System, TELEDETECTION SPATIALE, POPULATION RURALE, [SHS.GEO]Humanities and Social Sciences/Geography, Remote sensing, Environment, Rodents, RIZICULTURE, PREVALENCE, RONGEUR, Exposure, INFECTION, Prevalence, GESTION DE L'ENVIRONNEMENT, RESERVOIR, Leptospirosis, Infection, LEPTOSPIROSE
Abstract

International audience; Severe epidemics of leptospirosis yearly occurred in Thailand since 1997, causing over 1,200 deaths, especially among farmers highly exposed while working in flooded rice fields. Main vectors are wild rodents, spreading the human pathogenic bacteria (spirocheta) in the environment through their urine. Phrae province, which has recorded among the highest incidences, was chosen for a large scale spatial analysis, in collaboration with Phrae provincial Public Health Office. A health geographic database (GIS) was built, using SavGIS, a Geographic Information System (GIS) and Remote Sensing (RS) freeware developed by the Development Research French Institute (IRD), to understand the disease dynamics and assess the villagers' exposure. GIS and Remote Sensing processing have shown a great potential in analyzing vector-borne diseases but have never been applied to leptospirosis. The land use was extracted and vegetation indices computed from a TERRA ASTER satellite image and described around villages. In a second step, this information was compared with the reported disease incidence. Problems encountered due to the accuracy of biomedical and location-based data are detailed. The results are exposed and discussed in a preventive planning perspective.

Published
2006

3. Agricultural changes, water quality and health: investigating the health status of populations living in an agricultural irrigated area, using spatial analysis, in Phrae province, Thailand

Author

Vincent Herbreteau, Jean-Paul Gonzalez, Wasana Khaungaew, Gérard Salem, Jean-Louis Janeau, Center of Excellence for Vectors and Vector-Borne Diseases (CVVD), Mahidol University [Bangkok], Institut de Recherche pour le Développement, UR 178 Fundamentals & Domains of Disease Emergence (IRD UR178), Phrae provincial Public Health Office, Ministry of Public Health - Thailande, Laboratoire Espace, Santé et Territoires (LEST), Laboratoire Dynamiques Sociales et Recomposition des Espaces (LADYSS), Université Paris 1 Panthéon-Sorbonne (UP1)-Université Paris 8 Vincennes-Saint-Denis (UP8)-Université Paris Nanterre (UPN)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Université Paris 1 Panthéon-Sorbonne (UP1)-Université Paris 8 Vincennes-Saint-Denis (UP8)-Université Paris Nanterre (UPN)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Sols, usages des terres, dégradation, réhabilitation (SOLUTIONS), Laboratoire d'économie et de sociologie du travail (LEST), and Aix Marseille Université (AMU)-Centre National de la Recherche Scientifique (CNRS)

Subjects
SYSTEME D'INFORMATION GEOGRAPHIQUE, INNOVATION, PRODUCTION AGRICOLE, QUALITE DE L'EAU, PATHOLOGIE, North Thailand, ENVIRONNEMENT, GIS, human health, POLITIQUE DE SANTE, water quality, PREVALENCE, IRRIGATION, environmental changes, [SDV.SPEE]Life Sciences [q-bio]/Santé publique et épidémiologie, SANTE PUBLIQUE, DEVELOPPEMENT RURAL, REPARTITION GEOGRAPHIQUE, IMPACT SUR L'ENVIRONNEMENT
Abstract

International audience; Drastic environmental changes have occurred in Thailand during the twentieth century, along with the population growth and consecutive agricultural development consequently threatening the ecosystems. Infrastructures, and especially water reservoirs, were built to increase and improve the agricultural production. These changes have modified irreversibly the biotopes and, above all, the hydrographical network and water quality. In an effort to assess and monitor their consequences on human health, a health Geographic Information System was developed in Phrae province, North Thailand, focusing on the Mae Thang watershed, its reservoir and irrigated area downstream. In partnership with Phrae provincial Public Health Office, all patients' cases from 78 different pathologies, reported in Phrae rural areas from 1997 to 2004, were integrated and incidences were calculated among all the 693 villages, where patients and families live. Health infrastructures were also localized to assess the health offer, access, and recourse. Overall higher prevalence was recorded in Mae Thang study area as compared to the whole province, especially for infectious diseases that could be linked to water quality, as well as for upstream villages compared to those downstream. Marked geographical heterogeneity in disease prevalence between villages showed the importance of the choice of the study scale and the need for a public health survey at the village level to answer the hypotheses raised by the present observations.

Published
2006

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