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Geospatial Health

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https://www.readbyqxmd.com/read/29239571/spatial-temporal-analysis-of-prostate-cancer-incidence-from-the-pennsylvania-cancer-registry-2000-2011
#1
Ming Wang, Stephen A Matthews, Khaled Iskandarani, Yimei Li, Zheng Li, Vernon M Chinchilli, Lijun Zhang
Prostate cancer is the most common cancer diagnosed among males, and the incidence in Pennsylvania, USA is considerably higher than nationally. Knowledge of regional differences and time trends in prostate cancer incidence may contribute to a better understanding of aetiologic factors and racial disparities in outcomes, and to improvements in preventive intervention and screening efforts. We used Pennsylvania Cancer Registry data on reported prostate cancer diagnoses between 2000 and 2011 to study the regional distribution and temporal trends of prostate cancer incidence in both Pennsylvania White males and Philadelphia metropolitan area Black males...
November 28, 2017: Geospatial Health
https://www.readbyqxmd.com/read/29239567/regional-variation-of-alanine-aminotransferase-serum-levels-in-the-people-s-republic-of-china
#2
Peng Li, Miao Ge, Jing Jing, Dezhi Wei
The regional variation of the blood concentration of alanine aminotransferase (ALT), a sensitive predictor of liver damage, was studied in the People's Republic of China with reference to its potential association with environmental variables and geographic location. The research results presented are based on 121,977 blood samples from healthy adults in 93 cities in the country using correlation analysis, ridge regression estimation and trend surface analysis that were applied to explore if there was any tendency of spatial variation...
November 28, 2017: Geospatial Health
https://www.readbyqxmd.com/read/29239573/urbanisation-and-its-effect-on-risk-factors-associated-with-childhood-diarrhoea-in-mbour-senegal-a-visualisation
#3
Sokhna Thiam, Samuel Fuhrimann, Aminata Niang-Diène, Ibrahima Sy, Ousmane Faye, Jürg Utzinger, Guéladio Cissé
Rapid urbanisation, particularly in secondary cities in Africa, brings along specific challenges for global health, including the prevention and control of infectious diseases such as diarrhoea. Our purpose was to visualise urbanisation trends and its effect on risk factors associated with childhood diarrhoea, e.g. water supply, sanitation, wastewater and solid waste management in Mbour, a secondary city in south-western Senegal. Our visualisation is facilitated by epidemiological and geographical surveys carried out in 2016...
November 27, 2017: Geospatial Health
https://www.readbyqxmd.com/read/29239572/shrinking-risk-profiles-after-deworming-of-children-in-port-elizabeth-south-africa-with-special-reference-to-ascaris-lumbricoides-and-trichuris-trichiura
#4
Ivan Müller, Stefanie Gall, Lindsey Beyleveld, Markus Gerber, Uwe Pühse, Rosa Du Randt, Peter Steinmann, Leyli Zondie, Cheryl Walter, Jürg Utzinger
Risk maps facilitate discussion among different stakeholders and provide a tool for spatial targeting of health interventions. We present maps documenting shrinking risk profiles after deworming with respect to soil-transmitted helminthiasis among schoolchildren from disadvantaged neighbourhoods in Port Elizabeth, South Africa. Children were examined for soil-transmitted helminth infections using duplicate Kato-Katz thick smears in March 2015, October 2015 and May 2016, and subsequently treated with albendazole after each survey...
November 27, 2017: Geospatial Health
https://www.readbyqxmd.com/read/29239570/spatial-analysis-of-the-prevalence-of-schistosomiasis-in-an-endemic-coastal-area-in-north-eastern-brazil
#5
Allan D Santos, Jonhnatas Silva, Ana Caroline Lima, Márcio Santos, Shirley Lima, Monalisa Amor, Carlos Santos, Arthur Vasconcelos, Silvio Dolabella, Karina C G M Araújo
Due to contact and misuse of water drainage channels, schistosomiasis has spread and become a constant concern in northeastern Brazil. The aim of this study was to monitor human cases of Schistosomiasis mansoni and the breeding areas of the snail intermediate host Biomphalaria glabrata through spatial analysis in a community named Invasão do Canal do Guaxinim, located in Barra dos Coqueiros City in an endemic coastal part of the state of Sergipe, Brazil. This research was performed as a cross-sectional epidemiological study conducted with parasitological and malacological surveys...
November 27, 2017: Geospatial Health
https://www.readbyqxmd.com/read/29239569/climate-impact-on-malaria-in-northern-burkina-faso
#6
Yves M Tourre, Cécile Vignolles, Christian Viel, Flore Mounier
The Paluclim project managed by the French Centre National d'Etudes Spatiales (CNES) found that total rainfall for a 3-month period is a confounding factor for the density of malaria vectors in the region of Nouna in the Sahel administrative territory of northern Burkina Faso. Following the models introduced in 1999 by Craig et al. and in 2003 by Tanser et al., a climate impact model for malaria risk (using different climate indices) was created. Several predictions of this risk at different temporal scales (i...
November 27, 2017: Geospatial Health
https://www.readbyqxmd.com/read/29239568/spatiotemporal-transmission-and-socio-climatic-factors-related-to-paediatric-tuberculosis-in-north-western-ethiopia
#7
Kefyalew Addis Alene, Kerri Viney, Emma S McBryde, Archie C A Clements
The burden of tuberculosis (TB) in children reflects continuing and recent transmission within a population. This study aimed to identify spatiotemporal and socio-climatic factors associated with paediatric TB in north-western Ethiopia. Multivariate Poisson regression models were computed using a Bayesian framework. Estimates of parameters were generated using Markov chain Monte Carlo simulation. A total of 2,240 children aged under 15 years diagnosed with TB during the years 2013- 2016 were included in the analysis...
November 27, 2017: Geospatial Health
https://www.readbyqxmd.com/read/29239566/mapping-displaced-populations-with-reference-to-social-vulnerabilities-for-post-disaster-public-health-management
#8
Junaid Ahmad, Anees Ahmad, Mokbul Morshed Ahmad, Nafees Ahmad
Millions of people are currently displaced from their homes because of local and international conflicts. In the last two decades, a substantial increase in the number of displaced people has been recorded. We measured the social vulnerabilities of displaced populations using a mathematical approach in combination with application of geographical information systems (GIS) tools and techniques to visualise movement and draw attention to the location of significant concentration of vulnerabilities. A retrospective study approach based on datasets collected from governmental and non-governmental organisations working with refugees and internally displaced persons in Pakistan was used...
November 27, 2017: Geospatial Health
https://www.readbyqxmd.com/read/29239565/spatio-temporal-analysis-and-visualisation-of-the-anthrax-epidemic-situation-in-livestock-in-kazakhstan-over-the-period-1933-2016
#9
Sarsenbay K Abdrakhmanov, Yersyn Y Mukhanbetkaliyev, Fedor I Korennoy, Bolat Sh Karatayev, Aizada A Mukhanbetkaliyeva, Aruzhan S Abdrakhmanova
An analysis of the anthrax epidemic situation among livestock animals in the Republic of Kazakhstan over the period 1933-2016 is presented. During this time, 4,064 anthrax outbreaks (mainly in cattle, small ruminants, pigs and horses) were recorded. They fall into five historical periods of increase and decrease in the annual anthrax incidence (1933-1953; 1954-1968; 1969-1983; 1984- 2001; and 2002-2016), which has been associated with changes in economic activity and veterinary surveillance. To evaluate the temporal trends of incidence variation for each of these time periods, the following methods were applied: i) spatio-temporal analysis using a space-time cube to assess the presence of hotspots (i...
November 13, 2017: Geospatial Health
https://www.readbyqxmd.com/read/29239564/evaluating-the-utility-of-companion-animal-tick-surveillance-practices-for-monitoring-spread-and-occurrence-of-human-lyme-disease-in-west-virginia-2014-2016
#10
Brian Hendricks, Miguella Mark-Carew, Jamison Conley
Domestic dogs and cats are potentially effective sentinel populations for monitoring occurrence and spread of Lyme disease. Few studies have evaluated the public health utility of sentinel programmes using geo-analytic approaches. Confirmed Lyme disease cases diagnosed by physicians and ticks submitted by veterinarians to the West Virginia State Health Department were obtained for 2014-2016. Ticks were identified to species, and only Ixodes scapularis were incorporated in the analysis. Separate ordinary least squares (OLS) and spatial lag regression models were conducted to estimate the association between average numbers of Ix...
November 13, 2017: Geospatial Health
https://www.readbyqxmd.com/read/29239563/a-geographical-information-system-for-the-management-of-the-aquaculture-data-in-the-adriatic-sea-the-strengthening-of-centres-for-aquaculture-production-and-safety-surveillance-in-the-adriatic-countries-experience-present-capabilities-tools-and-functions
#11
Susanna Tora, Silvio Sacchini, Eddy Listeš, Tanja Bogdanović, Alessio Di Lorenzo, Muhamed Smajlović, Ahmed Smajlović, Jelena V Filipović, Vildana Tahirović, Danijela Šuković, Bojan Beljkas, Ardian Xinxo, Renis Maçi, Patrizia Colangeli, Federica Di Giacinto, Annamaria Conte
The European Commission (EC) regulation no. 854/2004 requires a systematic monitoring of chemical and microbiological contaminants in live bivalve molluscs, live echinoderms, live tunicates and live marine gastropods for human consumption through surveillance plans to be implemented in all European Union (EU) countries.A consortium of five Adriatic countries was set up in the framework of the Instrument of Pre-accession Assistance Adriatic Cross-border Cooperation Programme (IPA Adriatic CBC) 2007- 2013 with the aim of collecting data and distribute information on harvesting and production in mollusc areas...
November 8, 2017: Geospatial Health
https://www.readbyqxmd.com/read/29239562/balancing-geo-privacy-and-spatial-patterns-in-epidemiological-studies
#12
Chien-Chou Chen, Jen-Hsiang Chuang, Da-Wei Wang, Chien-Min Wang, Bo-Cheng Lin, Ta-Chien Chan
To balance the protection of geo-privacy and the accuracy of spatial patterns, we developed a geo-spatial tool (GeoMasker) intended to mask the residential locations of patients or cases in a geographic information system (GIS). To elucidate the effects of geo-masking parameters, we applied 2010 dengue epidemic data from Taiwan testing the tool's performance in an empirical situation. The similarity of pre- and post-spatial patterns was measured by D statistics under a 95% confidence interval. In the empirical study, different magnitudes of anonymisation (estimated Kanonymity ≥10 and 100) were achieved and different degrees of agreement on the pre- and post-patterns were evaluated...
November 8, 2017: Geospatial Health
https://www.readbyqxmd.com/read/29239561/spatial-analysis-of-cutaneous-leishmaniasis-in-an-endemic-area-of-iran-based-on-environmental-factors
#13
Roghieh Ramezankhani, Nooshin Sajjadi, Roya Nezakati Esmaeilzadeh, Seyed Ali Jozi, Mohammad Reza Shirzadi
Leishmaniasis is a parasitic disease caused by different species of protozoan parasites. Cutaneous leishmaniasis (CL) is still a great public health problem in Iran, especially in Isfahan Province. Distribution and abundance of vectors and reservoirs of this disease is affected by different factors such as climatic, socioeconomic and cultural. This study aimed to identify the hotspot areas for CL in Isfahan and assess the relations between the climatic and topographic factors with CL incidence using spatial analysis...
November 8, 2017: Geospatial Health
https://www.readbyqxmd.com/read/29239560/a-24-year-exploratory-spatial-data-analysis-of-lyme-disease-incidence-rate-in-connecticut-usa
#14
Abolfazl Mollalo, Jason K Blackburn, Lillian R Morris, Gregory E Glass
Despite efforts to control Lyme disease in Connecticut, USA, it remains endemic in many towns, posing a heavy burden. We examined changes in the spatial distribution of significant spatial clusters of Lyme disease incidence rates at the town level from 1991 to 2014 as an approach for targeted interventions. Lyme disease data were grouped into four discrete time periods and incidence rates were smoothed with Empirical Bayes estimation in GeoDa. Local clustering was measured using a local indicator of spatial autocorrelation (LISA)...
November 8, 2017: Geospatial Health
https://www.readbyqxmd.com/read/29239559/spatio-temporal-outbreaks-of-campylobacteriosis-and-the-role-of-fresh-milk-vending-machines-in-the-czech-republic-a-methodological-study
#15
Lukáš Marek, Vít Pászto
Inspired by local outbreaks of campylobacteriosis in the Czech Republic in 2010 linked to the debate about alleged health risks of the raw milk consumption, a detailed study was carried out. Firstly, scanning was utilised to identify spatio-temporal clusters of the disease from 2008 to 2012. Then a spatial method (geographical profiling originally developed for criminology) served as assessment in selecting fresh-milk vending machines that could have contributed to some of the local campylobacteriosis outbreaks...
November 8, 2017: Geospatial Health
https://www.readbyqxmd.com/read/29239558/the-influence-of-socioeconomic-deprivation-access-to-healthcare-and-physical-environment-on-old-age-survival-in-portugal
#16
Ana Isabel Ribeiro, Elias Teixeira Krainski, Marilia Sá Carvalho, Maria De Fátima de Pina
Spatial inequalities in old-age survival exist in Portugal and might be associated with factors pertaining to three distinct domains: socioeconomic, physical environmental and healthcare. We evaluated the contribution of these factors on the old-age survival across Portuguese municipalities deriving a surrogate measure of life expectancy, a 10-year survival rate that expresses the proportion of the population aged 75-84 years old who reached 85-94. As covariates we used two internationally comparable multivariate indexes: the European deprivation index and the multiple physical environmental deprivation index...
November 7, 2017: Geospatial Health
https://www.readbyqxmd.com/read/29239557/variability-of-nutrients-intake-lipid-profile-and-cardiovascular-mortality-among-geographical-areas-in-spain-the-drece-study
#17
Agustín Gómez de la Cámara, Eva De Andrés Esteban, Gerard Urrútia Cuchí, Enrique Calderón Sandubete, Miguel Ángel Rubio Herrera, Miguel Menéndez Orenga, David Lora Pablos
It has often been suggested that cardiovascular mortality and their geographical heterogeneity are associated with nutrients intake patterns and also lipid profile. The large Spanish study Dieta y Riesgo de Enfermedades Cardiovasculares en España (DRECE) investigated this theory from 1991 to 2010. Out of the 4,783 Spanish individuals making up the DRECE cohort, 220 subjects (148 men and 72 women) died (4.62%) during the course of the study. The mean age of patients who died from cardiovascular causes (32 in all) was 61...
November 7, 2017: Geospatial Health
https://www.readbyqxmd.com/read/29239556/revealed-access-to-haemodialysis-facilities-in-northeastern-iran-factors-that-matter-in-rural-and-urban-areas
#18
Behzad Kiani, Nasser Bagheri, Ahmad Tara, Benyamin Hoseini, Hamed Tabesh, Mahmood Tara
Poor access to haemodialysis facilities is associated with high mortality and morbidity rates. This study investigated factors affecting revealed access to the haemodialysis facilities considering patients living in rural and urban areas without any haemodialysis facility (Group A) and those living urban areas with haemodialysis facilities (Group B). This study is based on selfreported Actual Access Time (AAT) to referred haemodialysis facilities and other information regarding travel to haemodialysis facilities from patients...
November 7, 2017: Geospatial Health
https://www.readbyqxmd.com/read/29239555/analytical-report-of-the-2016-dengue-outbreak-in-c%C3%A3-rdoba-city-argentina
#19
Camilo Rotela, Laura Lopez, María Frías Céspedes, Gabriela Barbas, Andrés Lighezzolo, Ximena Porcasi, Mario A Lanfri, Carlos M Scavuzzo, David E Gorla
After elimination of the Aedes aegypti vector in South America in the 1960s, dengue outbreaks started to reoccur during the 1990s; strongly in Argentina since 1998. In 2016, Córdoba City had the largest dengue outbreak in its history. In this article we report this outbreak including spatio-temporal analysis of cases and vectors in the city. A total of 653 dengue cases were recorded by the laboratory-based dengue surveillance system and georeferenced by their residential addresses. Case maps were generated from the epidemiological week 1 (beginning of January) to week 19 (mid-May)...
November 6, 2017: Geospatial Health
https://www.readbyqxmd.com/read/29239554/cutl-an-alternative-to-kulldorff-s-scan-statistics-for-cluster-detection-with-a-specified-cut-off-level
#20
Barbara Więckowska, Justyna Marcinkowska
When searching for epidemiological clusters, an important tool can be to carry out one's own research with the incidence rate from the literature as the reference level. Values exceeding this level may indicate the presence of a cluster in that location. This paper presents a method of searching for clusters that have significantly higher incidence rates than those specified by the investigator. The proposed method uses the classic binomial exact test for one proportion and an algorithm that joins areas with potential clusters while reducing the number of multiple comparisons needed...
November 6, 2017: Geospatial Health
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