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Geospatial Health

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https://www.readbyqxmd.com/read/28555484/spatial-analysis-of-the-regional-variation-of-reproductive-tract-infections-and-spousal-migration-correlates-in-nepal
#1
Derek C Johnson, Pema Lhaki, Charlotte Buehler Cherry, Mirjam-Colette Kempf, Eric Chamot, Sten H Vermund, Sadeep Shrestha
Nepal has a diverse geographic landscape that could potentially create clustered subpopulations with regional socio-cultures that could result in differential health outcomes. With an alarming rise in married male populations migrating for work, it is possible that these migrants are engaged in risky sexual behaviour, putting their wives at risk for infectious disease outcomes, including reproductive tract infections (RTI), when they return home. The prevalence of male migration varies by geographic region in Nepal and this variation could potentially contribute to different RTI rates...
May 30, 2017: Geospatial Health
https://www.readbyqxmd.com/read/28555485/cystic-echinococcosis-in-cattle-dairy-farms-spatial-distribution-and-epidemiological-dynamics
#2
Antonio Scala, Antonio Bosco, Anna Paola Pipia, Claudia Tamponi, Vincenzo Musella, Nicola Costanzo, Francesco Testoni, Antonio Montisci, Giovanni Mocci, Alessandro Longhi, Laura Tilocca, Laura Rinaldi, Giuseppe Cringoli, Antonio Varcasia
A study monitoring cystic echinococcosis (CE) in adult dairy cattle from intensive livestock farms located in the municipality of Arborea (Sardinia, Italy) was carried out between 2012 and 2015. A retrospective study of veterinary reporting forms of post-mortem inspections in 10 different Italian slaughterhouses was also performed. In addition, data on viability and molecular characterisation of hydatid cysts removed from parasitised organs in cattle was carried out. A geographical information system (GIS) with data layers of the study area and the geo-referenced points of 160 cattle farms was constructed...
May 29, 2017: Geospatial Health
https://www.readbyqxmd.com/read/28555483/point-process-methods-in-epidemiology-application-to-the-analysis-of-human-immunodeficiency-virus-acquired-immunodeficiency-syndrome-mortality-in-urban-areas
#3
Jose Antonio Quesada, Inmaculada Melchor, Andreu Nolasco
The analysis of spatio-temporal patterns of disease or death in urban areas has been developed mainly from the ecological studies approach. These designs may have some limitations like the ecological fallacy and instability with few cases. The objective of this study was to apply the point process methodology, as a complement to that of aggregated data, to study HIV/AIDS mortality in men in the city of Alicante (Spain). A case-control study in residents in the city during the period 2004-2011 was designed. Cases were men who died from HIV/AIDS and controls represented the general population, matched by age to cases...
May 26, 2017: Geospatial Health
https://www.readbyqxmd.com/read/28555482/neonatal-mortality-in-east-africa-and-west-africa-a-geographic-analysis-of-district-level-demographic-and-health-survey-data
#4
Sue C Grady, April N Frake, Qiong Zhang, Matlhogonolo Bene, Demetrice R Jordan, Joshua Vertalka, Thania C Dossantos, Ameen Kadhim, Judith Namanya, Lisa-Marie Pierre, Yi Fan, Peiling Zhou, Fatoumata B Barry, Libbey Kutch
Under-five child mortality declined 47% since 2000 following the implementation of the United Nation's (UN) Millennium Development Goals. To further reduce under-five child mortality, the UN's Sustainable Development Goals (SDGs) will focus on interventions to address neonatal mortality, a major contributor of under-five mortality. The African region has the highest neonatal mortality rate (28.0 per 1000 live births), followed by that of the Eastern Mediterranean (26.6) and South-East Asia (24.3). This study used the Demographic and Health Survey Birth Recode data (http://dhsprogram...
May 26, 2017: Geospatial Health
https://www.readbyqxmd.com/read/28555481/haemodialysis-services-in-the-northeastern-region-of-iran
#5
Behzad Kiani, Nasser Bagheri, Ahmad Tara, Benyamin Hoseini, Mahmoud Tara
Chronic kidney disease is growing and the current estimated global prevalence exceeds 13%. As the use of haemodialysis machines for patients with end stage renal disease increases survival considerably, it is critical to plan correctly for the allocation of these machines. This study aimed to develop a geographical information systems (GIS)-based approach to predict the need for this service in the northeastern region of Iran taking into account where patients live and where haemodialysis is the most needed and identifying areas with poor access to haemodialysis centres...
May 11, 2017: Geospatial Health
https://www.readbyqxmd.com/read/28555480/assessing-effects-of-structural-zeros-on-models-of-canine-cancer-incidence-a-case-study-of-the-swiss-canine-cancer-registry
#6
Gianluca Boo, Stefan Leyk, Sara Irina Fabrikant, Andreas Pospischil, Ramona Graf
Epidemiological research of canine cancers could inform comparative studies of environmental determinants for a number of human cancers. However, such an approach is currently limited because canine cancer data sources are still few in number and often incomplete. Incompleteness is typically due to under-ascertainment of canine cancers. A main reason for this is because dog owners commonly do not seek veterinary care for this diagnosis. Deeper knowledge on under-ascertainment is critical for modelling canine cancer incidence, as an indication of zero incidence might originate from the sole absence of diagnostic examinations within a given sample unit...
May 11, 2017: Geospatial Health
https://www.readbyqxmd.com/read/28555479/spatial-accessibility-to-basic-public-health-services-in-south-sudan
#7
Peter M Macharia, Paul O Ouma, Ezekiel G Gogo, Robert W Snow, Abdisalan M Noor
At independence in 2011, South Sudan's health sector was almost non-existent. The first national health strategic plan aimed to achieve an integrated health facility network that would mean that 70% of the population were within 5 km of a health service provider. Publically available data on functioning and closed health facilities, population distribution, road networks, land use and elevation were used to compute the fraction of the population within 1 hour walking distance of the nearest public health facility offering curative services...
May 11, 2017: Geospatial Health
https://www.readbyqxmd.com/read/28555478/comparing-the-accuracy-of-food-outlet-datasets-in-an-urban-environment
#8
Michelle S Wong, Jennifer M Peyton, Timothy M Shields, Frank C Curriero, Kimberly A Gudzune
Studies that investigate the relationship between the retail food environment and health outcomes often use geospatial datasets. Prior studies have identified challenges of using the most common data sources. Retail food environment datasets created through academic-government partnership present an alternative, but their validity (retail existence, type, location) has not been assessed yet. In our study, we used ground-truth data to compare the validity of two datasets, a 2015 commercial dataset (InfoUSA) and data collected from 2012 to 2014 through the Maryland Food Systems Mapping Project (MFSMP), an academic-government partnership, on the retail food environment in two low-income, inner city neighbourhoods in Baltimore City...
May 11, 2017: Geospatial Health
https://www.readbyqxmd.com/read/28555477/an-analysis-of-the-process-and-results-of-manual-geocode-correction
#9
Yolanda J McDonald, Michael Schwind, Daniel W Goldberg, Amanda Lampley, Cosette M Wheeler
Geocoding is the science and process of assigning geographical coordinates (i.e. latitude, longitude) to a postal address. The quality of the geocode can vary dramatically depending on several variables, including incorrect input address data, missing address components, and spelling mistakes. A dataset with a considerable number of geocoding inaccuracies can potentially result in an imprecise analysis and invalid conclusions. There has been little quantitative analysis of the amount of effort (i.e. time) to perform geocoding correction, and how such correction could improve geocode quality type...
May 11, 2017: Geospatial Health
https://www.readbyqxmd.com/read/28555476/use-of-geographical-information-systems-for-delimiting-health-service-areas-in-china
#10
Xuechen Xiong, Li Luo
With the objective of choosing a practical and valid method to delimit health service areas of regional health service centres to build a regional basic health service network, we first drew lessons from traditional geographic methods of delimiting trade areas and then applied two methods to delimit health service areas, i.e. the proximal method and the gravity method. We verified the effectiveness of these methods by an index of similarity with the aid of real in-patient data. Calculation of the similarity indices shows that health service areas delimited by the proximal method has an 87...
May 11, 2017: Geospatial Health
https://www.readbyqxmd.com/read/28555475/geographic-clustering-of-elderly-people-with-above-norm-anthropometric-measurements-and-blood-chemistry
#11
Carlos Mena, Eduardo Fuentes, Yony Ormazábal, Iván Palomo
The global percentage of people over 60 is strongly increasing and estimated to exceed 20% by 20,150, which means that there will be an increase in many pathological conditions related to aging. Mapping of the location of aging people and identification of their needs can be extremely valuable from a social-economic point of view. Participants in this study were 148 randomly selected adults from Talca City, Chile aged 60-74 at baseline. Geographic information systems (GIS) analyses were performed using ArcGIS software through its module Spatial Autocorrelation...
May 11, 2017: Geospatial Health
https://www.readbyqxmd.com/read/28555474/fine-scale-mapping-of-malaria-infection-clusters-by-using-routinely-collected-health-facility-data-in-urban-dar-es-salaam-tanzania
#12
Yeromin P Mlacha, Prosper P Chaki, Alpha D Malishee, Victoria M Mwakalinga, Nicodem J Govella, Alex J Limwagu, John M Paliga, Daniel F Msellemu, Zawadi D Mageni, Dianne J Terlouw, Gerry F Killeen, Stefan Dongus
This study investigated whether passively collected routine health facility data can be used for mapping spatial heterogeneities in malaria transmission at the level of local government housing cluster administrative units in Dar es Salaam, Tanzania. From June 2012 to January 2013, residential locations of patients tested for malaria at a public health facility were traced based on their local leaders' names and geo-referencing the point locations of these leaders' houses. Geographic information systems (GIS) were used to visualise the spatial distribution of malaria infection rates...
May 11, 2017: Geospatial Health
https://www.readbyqxmd.com/read/28555473/epidemiological-aspects-and-spatial-distribution-of-human-and-canine-visceral-leishmaniasis-in-an-endemic-area-in-northeastern-brazil
#13
Roseane Campos, Márcio Santos, Gabriel Tunon, Luana Cunha, Lucas Magalhães, Juliana Moraes, Danielle Ramalho, Sanmy Lima, José Antônio Pacheco, Michael Lipscomb, Amélia Ribeiro de Jesus, Roque Pacheco de Almeida
Visceral leishmaniasis (VL) is a systemic disease endemic in tropical countries and transmitted through sand flies. In particular, Canis familiaris (or domesticated dogs) are believed to be a major urban reservoir for the parasite causing the disease Leishmania. The average number of human VL cases was 58 per year in the state of Sergipe. The city of Aracaju, capital of Sergipe in Northeastern Brazil, had 159 cases of VL in humans. Correlatively, the percentage of serologically positive dogs for leishmaniasis increased from 4...
May 11, 2017: Geospatial Health
https://www.readbyqxmd.com/read/28555472/child-mortality-inequalities-across-rwanda-districts-a-geoadditive-continuous-time-survival-analysis
#14
François Niragire, Thomas N O Achia, Alexandre Lyambabaje, Joseph Ntaganira
Child survival programmes are efficient when they target the most significant and area-specific factors. This study aimed to assess the key determinants and spatial variation of child mortality at the district level in Rwanda. Data from the 2010 Rwanda Demographic and Health Survey were analysed for 8817 live births that occurred during five years preceding the survey. Out of the children born, 433 had died before survey interviews were carried out. A full Bayesian geo-additive continuous-time hazard model enabled us to maximise data utilisation and hence improve the accuracy of our estimates...
May 11, 2017: Geospatial Health
https://www.readbyqxmd.com/read/28555471/comparison-of-the-spatial-patterns-of-schistosomiasis-in-zimbabwe-at-two-points-in-time-spaced-twenty-nine-years-apart-is-climate-variability-of-importance
#15
Ulrik B Pedersen, Dimitrios-Alexios Karagiannis-Voules, Nicholas Midzi, Tkafira Mduluza, Samson Mukaratirwa, Rasmus Fensholt, Birgitte J Vennervald, Thomas K Kristensen, Penelope Vounatsou, Anna-Sofie Stensgaard
Temperature, precipitation and humidity are known to be important factors for the development of schistosome parasites as well as their intermediate snail hosts. Climate therefore plays an important role in determining the geographical distribution of schistosomiasis and it is expected that climate change will alter distribution and transmission patterns. Reliable predictions of distribution changes and likely transmission scenarios are key to efficient schistosomiasis intervention-planning. However, it is often difficult to assess the direction and magnitude of the impact on schistosomiasis induced by climate change, as well as the temporal transferability and predictive accuracy of the models, as prevalence data is often only available from one point in time...
May 8, 2017: Geospatial Health
https://www.readbyqxmd.com/read/28555470/spatio-temporal-dynamics-of-schistosomiasis-in-rwanda-between-2001-and-2012-impact-of-the-national-neglected-tropical-disease-control-programme
#16
Elias Nyandwi, Tom Veldkamp, Frank Badu Osei, Sherif Amer
Schistosomiasis is recognised as a major public health problem in Rwanda. We aimed to identify the spatio-temporal dynamics of its distribution at a fine-scale spatial resolution and to explore the impact of control programme interventions. Incidence data of Schistosoma mansoni infection at 367 health facilities were obtained for the period 2001-2012. Disease cluster analyses were conducted using spatial scan statistics and geographic information systems. The impact of control interventions was assessed for three distinct sub-periods...
May 8, 2017: Geospatial Health
https://www.readbyqxmd.com/read/28555469/impact-of-climate-variability-on-the-occurrence-of-cutaneous-leishmaniasis-in-khuzestan-province-southwestern-iran
#17
Farideh Azimi, Sadegh Shirian, Saranaz Jangjoo, Arman Ai, Tahereh Abbasi
Leishmaniasis, one of the most important parasitic diseases worldwide, is frequently cited with respect to health risks related to climate change. The current variability of the climate may have different impacts on the transmission of cutaneous leishmaniasis (CL) depending on the various Leishmania species. The number and distribution of CL cases in Khuzestan Province, Southwestern Iran was analysed over the 2010-2014 period with regard to temperature, humidity, rainfall, sunshine hours, evaporation and wind-related climate issues...
May 8, 2017: Geospatial Health
https://www.readbyqxmd.com/read/28555468/spatial-epidemiology-of-cancer-a-review-of-data-sources-methods-and-risk-factors
#18
Rita Roquette, Marco Painho, Baltazar Nunes
Cancer is a major concern among chronic diseases today. Spatial epidemiology plays a relevant role in this matter and we present here a review of this subject, including a discussion of the literature in terms of the level of geographic data aggregation, risk factors and methods used to analyse the spatial distribution of patterns and spatial clusters. For this purpose, we performed a websearch in the Pubmed and Web of Science databases including studies published between 1979 and 2015. We found 180 papers from 63 journals and noted that spatial epidemiology of cancer has been addressed with more emphasis during the last decade with research based on data mostly extracted from cancer registries and official mortality statistics...
May 8, 2017: Geospatial Health
https://www.readbyqxmd.com/read/28555467/estimating-small-area-health-related-characteristics-of-populations-a-methodological-review
#19
Azizur Rahman
Estimation of health-related characteristics at a fine local geographic level is vital for effective health promotion programmes, provision of better health services and population-specific health planning and management. Lack of a micro-dataset readily available for attributes of individuals at small areas negatively impacts the ability of local and national agencies to manage serious health issues and related risks in the community. A solution to this challenge would be to develop a method that simulates reliable small-area statistics...
May 8, 2017: Geospatial Health
https://www.readbyqxmd.com/read/28555466/climate-and-the-distribution-of-vector-borne-diseases-what-s-in-store
#20
Robert Bergquist
Not available.
May 8, 2017: Geospatial Health
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