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https://www.readbyqxmd.com/read/28321590/extreme-climatic-conditions-and-health-service-utilisation-across-rural-and-metropolitan-new-south-wales
#1
Edward Jegasothy, Rhydwyn McGuire, John Nairn, Robert Fawcett, Benjamin Scalley
Periods of successive extreme heat and cold temperature have major effects on human health and increase rates of health service utilisation. The severity of these events varies between geographic locations and populations. This study aimed to estimate the effects of heat waves and cold waves on health service utilisation across urban, regional and remote areas in New South Wales (NSW), Australia, during the 10-year study period 2005-2015. We divided the state into three regions and used 24 over-dispersed or zero-inflated Poisson time-series regression models to estimate the effect of heat waves and cold waves, of three levels of severity, on the rates of ambulance call-outs, emergency department (ED) presentations and mortality...
March 20, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28319715/small-area-spatiotemporal-analysis-of-heatwave-impacts-on-elderly-mortality-in-paris-a-cluster-analysis-approach
#2
Tarik Benmarhnia, Wahida Kihal-Talantikite, Martina S Ragettli, Séverine Deguen
BACKGROUND: Heat-waves have a substantial public health burden. Understanding spatial heterogeneity at a fine spatial scale in relation to heat and related mortality is central to target interventions towards vulnerable communities. OBJECTIVES: To determine the spatial variability of heat-wave-related mortality risk among elderly in Paris, France at the census block level. We also aimed to assess area-level social and environmental determinants of high mortality risk within Paris...
March 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28267585/disturbances-of-thirst-and-fluid-balance-associated-with-aging
#3
REVIEW
Denovan P Begg
During heat waves, significant mortality and morbidity occurs in elderly populations due to heat-stress and dehydration. The dehydration is primarily attributable to inadequate water intake caused by dysfunction of the central nervous system mechanisms controlling thirst. The phenomenon of a reduced thirst in response to dehydration in aging was first observed decades ago and has been examined extensively since. The reduced thirst and ingestive behavior have been reported consistently in response to hyperosmotic stimuli, hypovolemic stimuli and dehydration in both elderly humans and animal models of aging...
March 3, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28228117/the-association-between-consecutive-days-heat-wave-and-cardiovascular-disease-mortality-in-beijing-china
#4
Qian Yin, Jinfeng Wang
BACKGROUND: Although many studies have examined the effects of heat waves on the excess mortality risk (ER) posed by cardiovascular disease (CVD), scant attention has been paid to the effects of various combinations of differing heat wave temperatures and durations. We investigated such effects in Beijing, a city of over 20 million residents. METHODS: A generalized additive model (GAM) was used to analyze the ER of consecutive days' exposure to extreme high temperatures...
February 23, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28216585/effect-of-indoor-temperature-on-physical-performance-in-older-adults-during-days-with-normal-temperature-and-heat-waves
#5
Ulrich Lindemann, Anja Stotz, Nina Beyer, Juha Oksa, Dawn A Skelton, Clemens Becker, Kilian Rapp, Jochen Klenk
Indoor temperature is relevant with regard to mortality and heat-related self-perceived health problems. The aim of this study was to describe the association between indoor temperature and physical performance in older adults. Eighty-one older adults (84% women, mean age 80.9 years, standard deviation 6.53) were visited every four weeks from May to October 2015 and additionally during two heat waves in July and August 2015. Indoor temperature, habitual gait speed, chair-rise performance and balance were assessed...
February 14, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28185608/effect-of-heat-waves-on-embryo-mortality-in-the-pine-processionary-moth
#6
S Rocha, C Kerdelhué, M L Ben Jamaa, S Dhahri, C Burban, M Branco
Extreme climate events such as heat waves are predicted to become more frequent with climate change, representing a challenge for many organisms. The pine processionary moth Thaumetopoea pityocampa is a Mediterranean pine defoliator, which typically lays eggs during the summer. We evaluated the effects of heat waves on egg mortality of three populations with different phenologies: a Portuguese population with a classical life cycle (eggs laid in summer), an allochronic Portuguese population reproducing in spring, and a Tunisian population from the extreme southern limit of T...
February 10, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28101750/mortuary-operations-following-mass-fatality-natural-disasters-a-review
#7
REVIEW
Madelyn Anderson, Jodie Leditschke, Richard Bassed, Stephen M Cordner, Olaf H Drummer
This is a critical review to discuss the best practice approaches to mortuary operations in preparation for and the response to natural, mass fatality, disaster events, as identified by a review of published articles. The Preferred Reporting Items for Systematic Reviews and Meta-Analysis Protocols (PRISMA-P) Statement guided the identification of potential articles to use in this critical review. Subsequent searches were also conducted to identify articles relating to heat wave, and flood mortality. All identified peer-reviewed studies published in English which discussed the preparation and response of mortuaries to mass fatality natural disasters occurring in developed countries were included...
March 2017: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/28051192/global-warming-and-its-health-impact
#8
Antonella Rossati
Since the mid-19th century, human activities have increased greenhouse gases such as carbon dioxide, methane, and nitrous oxide in the Earth's atmosphere that resulted in increased average temperature. The effects of rising temperature include soil degradation, loss of productivity of agricultural land, desertification, loss of biodiversity, degradation of ecosystems, reduced fresh-water resources, acidification of the oceans, and the disruption and depletion of stratospheric ozone. All these have an impact on human health, causing non-communicable diseases such as injuries during natural disasters, malnutrition during famine, and increased mortality during heat waves due to complications in chronically ill patients...
January 2017: International Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/27933447/indian-summer-heat-wave-of-2015-a-biometeorological-analysis-using-half-hourly-automatic-weather-station-data-with-special-reference-to-andhra-pradesh
#9
M A Sarath Chandran, A V M Subba Rao, V M Sandeep, V P Pramod, P Pani, V U M Rao, V Visha Kumari, Ch Srinivasa Rao
Heat wave is a hazardous weather-related extreme event that affects living beings. The 2015 summer heat wave affected many regions in India and caused the death of 2248 people across the country. An attempt has been made to quantify the intensity and duration of heat wave that resulted in high mortality across the country. Half hourly Physiologically Equivalent Temperature (PET), based on a complete heat budget of human body, was estimated using automatic weather station (AWS) data of four locations in Andhra Pradesh state, where the maximum number of deaths was reported...
December 8, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27810225/effects-of-the-2015-heat-wave-on-benthic-invertebrates-in%C3%A2-the%C3%A2-tabarca%C3%A2-marine-protected-area-southeast-spain
#10
Esther Rubio-Portillo, Andrés Izquierdo-Muñoz, Juan F Gago, Ramon Rosselló-Mora, Josefa Antón, Alfonso A Ramos-Esplá
In the late summer of 2015, extensive mortality of scleratinian corals, gorgonians, and sponges was observed in the Marine Protected Area of Tabarca (southeast Spain). Quantitative data indicated that at 25 m depth the sea fan Eunicella singularis was the most affected species (50% of colonies affected by partial mortality); while in shallow waters more than 40% of the endemic scleractinian coral Cladocora caespitosa population showed tissue lesions that affected more than 10% of their surfaces. Other affected species were the scleractinian corals Oculina patagonica and Phyllangia mouchezii, the sea fan Leptogorgia sarmentosa and the sponge Sarcotragus fasciculatus...
December 2016: Marine Environmental Research
https://www.readbyqxmd.com/read/27736896/response-of-two-mytilids-to-a-heatwave-the-complex-interplay-of-physiology-behaviour-and-ecological-interactions
#11
Celia Olabarria, Ignacio Gestoso, Fernando P Lima, Elsa Vázquez, Luc A Comeau, Filipa Gomes, Rui Seabra, José M F Babarro
Different combinations of behavioural and physiological responses may play a crucial role in the ecological success of species, notably in the context of biological invasions. The invasive mussel Xenostrobus securis has successfully colonised the inner part of the Galician Rias Baixas (NW Spain), where it co-occurs with the commercially-important mussel Mytilus galloprovincialis. This study investigated the effect of a heatwave on the physiological and behavioural responses in monospecific or mixed aggregations of these species...
2016: PloS One
https://www.readbyqxmd.com/read/27620887/cardiac-electrical-and-structural-changes-during-bacterial-infection-an-instructive-model-to-study-cardiac-dysfunction-in-sepsis
#12
Michael A Makara, Ky V Hoang, Latha P Ganesan, Elliot D Crouser, John S Gunn, Joanne Turner, Larry S Schlesinger, Peter J Mohler, Murugesan V S Rajaram
BACKGROUND: Sepsis patients with cardiac dysfunction have significantly higher mortality. Although several pathways are associated with myocardial damage in sepsis, the precise cause(s) remains unclear and treatment options are limited. This study was designed to develop a new model to investigate the early events of cardiac damage during sepsis progression. METHODS AND RESULTS: Francisella tularensis subspecies novicida (Ft.n) is a Gram-negative intracellular pathogen causing severe sepsis syndrome in mice...
September 12, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27618079/economic-burden-of-hospitalizations-for-heat-related-illnesses-in-the-united-states-2001-2010
#13
Michael T Schmeltz, Elisaveta P Petkova, Janet L Gamble
Understanding how heat waves affect morbidity and mortality, as well as the associated economic costs, is essential for characterizing the human health impacts of extreme heat under a changing climate. Only a handful of studies have examined healthcare costs associated with exposures to high temperatures. This research explores costs associated with hospitalizations for heat-related illness (HRI) in the United States using the 2001 to 2010 Nationwide Inpatient Sample (NIS). Descriptive statistics of patient data for HRI hospitalizations were examined and costs of hospitalizations were reported using the all-payer inpatient cost-to-charge ratio...
September 8, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27586015/impacts-perceptions-and-management-of-climate-related-risks-to-cage-aquaculture-in-the-reservoirs-of-northern-thailand
#14
Louis Lebel, Phimphakan Lebel, Boripat Lebel
Weather is suspected to influence fish growth and survival, and be a factor in mass mortality events in cage aquaculture in reservoirs. The purpose of this study was to identify the important climate-related risks faced by cage aquaculture farms; evaluate how these risks were currently being managed; and explore how farmers might adapt to the effects of climate change. Fish farmers were interviewed across the northern region of Thailand to get information on impacts, perceptions and practices. Drought or low water levels, heat waves, cold spells and periods with dense cloud cover, each caused significant financial losses...
September 1, 2016: Environmental Management
https://www.readbyqxmd.com/read/27459087/-not-available
#15
Björn Fagerberg, Tord Kjellström, Andreas Vilhelmsson, Lars Barregård
High temperatures have a direct impact on body functions. Heat waves increase mortality risks due to myocardial infarction, stroke, and pulmonary disease. Cold temperatures also increase mortality, but with a longer latency. A recent study found only a small difference between the minimal mortality temperature (MMT) and the temperatures at which mortality rose steeply, although the majority of deaths occurred at temperatures below MMT. Global climate change with increasing temperatures seriously threatens health, work capacity, and generation of household incomes, particularly among poor people in hot countries...
July 22, 2016: Läkartidningen
https://www.readbyqxmd.com/read/27236569/identifying-heat-related-deaths-by-using-medical-examiner-and-vital-statistics-data-surveillance-analysis-and-descriptive-epidemiology-oklahoma-1990-2011
#16
Matthew G Johnson, Sheryll Brown, Pam Archer, Aaron Wendelboe, Sheryl Magzamen, Kristy K Bradley
OBJECTIVES: Approximately 660 deaths occur annually in the United States associated with excess natural heat. A record heat wave in Oklahoma during 2011 generated increased interest concerning heat-related mortality among public health preparedness partners. We aimed to improve surveillance for heat-related mortality and better characterize heat-related deaths in Oklahoma during 1990-2011, and to enhance public health messaging during future heat emergencies. METHODS: Heat-related deaths were identified by querying vital statistics (VS) and medical examiner (ME) data during 1990-2011...
October 2016: Environmental Research
https://www.readbyqxmd.com/read/27221967/risk-factors-for-deaths-during-the-2009-heat-wave-in-adelaide-australia-a-matched-case-control-study
#17
Ying Zhang, Monika Nitschke, Antoinette Krackowizer, Keith Dear, Dino Pisaniello, Philip Weinstein, Graeme Tucker, Sepehr Shakib, Peng Bi
The extreme heat wave in Australia in 2009 resulted in significantly increased number of daily deaths. The circumstances that lead to deaths during extreme heat have not been explored before in Australia. This study aims to identify the individual and community risk factors for deaths during this extreme heat wave in Adelaide. A matched case-control study was conducted. Cases were those who died in the Adelaide metropolitan area during the heat wave period. For each case, two community controls were randomly selected, matched by age and gender...
January 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27211569/effects-of-air-temperature-on-climate-sensitive-mortality-and-morbidity-outcomes-in-the-elderly-a-systematic-review-and-meta-analysis-of-epidemiological-evidence
#18
REVIEW
Aditi Bunker, Jan Wildenhain, Alina Vandenbergh, Nicholas Henschke, Joacim Rocklöv, Shakoor Hajat, Rainer Sauerborn
INTRODUCTION: Climate change and rapid population ageing are significant public health challenges. Understanding which health problems are affected by temperature is important for preventing heat and cold-related deaths and illnesses, particularly in the elderly. Here we present a systematic review and meta-analysis on the effects of ambient hot and cold temperature (excluding heat/cold wave only studies) on elderly (65+ years) mortality and morbidity. METHODS: Time-series or case-crossover studies comprising cause-specific cases of elderly mortality (n=3,933,398) or morbidity (n=12,157,782) were pooled to obtain a percent change (%) in risk for temperature exposure on cause-specific disease outcomes using a random-effects meta-analysis...
April 2016: EBioMedicine
https://www.readbyqxmd.com/read/27203433/a-difference-in-differences-approach-to-assess-the-effect-of-a-heat-action-plan-on-heat-related-mortality-and-differences-in-effectiveness-according-to-sex-age-and-socioeconomic-status-montreal-quebec
#19
Tarik Benmarhnia, Zinzi Bailey, David Kaiser, Nathalie Auger, Nicholas King, Jay S Kaufman
BACKGROUND: The impact of heat waves on mortality and health inequalities is well documented. Very few studies have assessed the effectiveness of heat action plans (HAPs) on health, and none has used quasi-experimental methods to estimate causal effects of such programs. OBJECTIVES: We developed a quasi-experimental method to estimate the causal effects associated with HAPs that allows the identification of heterogeneity across subpopulations, and to apply this method specifically to the case of the Montreal (Quebec, Canada) HAP...
November 2016: Environmental Health Perspectives
https://www.readbyqxmd.com/read/27167851/high-summer-temperatures-and-mortality-in-estonia
#20
Daniel Oudin Åström, Christofer Åström, Kaidi Rekker, Ene Indermitte, Hans Orru
BACKGROUND: On-going climate change is predicted to result in a growing number of extreme weather events-such as heat waves-throughout Europe. The effect of high temperatures and heat waves are already having an important impact on public health in terms of increased mortality, but studies from an Estonian setting are almost entirely missing. We investigated mortality in relation to high summer temperatures and the time course of mortality in a coastal and inland region of Estonia. METHODS: We collected daily mortality data and daily maximum temperature for a coastal and an inland region of Estonia...
2016: PloS One
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