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Heat related illness

Ximena P Garzon-Villalba, Alfred Mbah, Yougui Wu, Michael Hiles, Hanna Moore, Skai W Schwartz, Thomas E Bernard
BACKGROUND: The Deepwater Horizon disaster cleanup effort provided an opportunity to examine the effects of ambient thermal conditions on exertional heat illness (EHI) and acute injury (AI). METHODS: The outcomes were daily person-based frequencies of EHI and AI. Exposures were maximum estimated WBGT (WBGTmax) and severity. Previous day's cumulative effect was assessed by introducing previous day's WBGTmax into the model. RESULTS: EHI and AI were higher in workers exposed above a WBGTmax of 20°C (RR 1...
October 24, 2016: American Journal of Industrial Medicine
Andrea Rostás, Ahmed Sabry, Subhamay Ghosh
Hepatic ischemia-reperfusion injury as a result of inflow obstruction is a major cause of morbidity and mortality associated with liver pathologies and surgery. Heat shock proteins, a family of stress-inducible proteins involved in maintaining cell homeostasis and regulating the immune system play a major role in liver regeneration. They serve as crucial indicators of ischemia-reperfusion injury in human liver and influence liver function and recovery. The primary objectives of this article are to review the potential role of heat shock proteins as a diagnostic marker for liver diseases and therapeutic target in critical illness...
October 2016: Orvosi Hetilap
June T Spector, David K Bonauto, Lianne Sheppard, Tania Busch-Isaksen, Miriam Calkins, Darrin Adams, Max Lieblich, Richard A Fenske
BACKGROUND: Recent research suggests that heat exposure may increase the risk of traumatic injuries. Published heat-related epidemiological studies have relied upon exposure data from individual weather stations. OBJECTIVE: To evaluate the association between heat exposure and traumatic injuries in outdoor agricultural workers exposed to ambient heat and internal heat generated by physical activity using modeled ambient exposure data. METHODS: A case-crossover study using time-stratified referent selection among 12,213 outdoor agricultural workers with new Washington State Fund workers' compensation traumatic injury claims between 2000 and 2012 was conducted...
2016: PloS One
Raul Harari Arjona, Jessika Piñeiros, Marcelo Ayabaca, Florencia Harari Freire
Climate change is a global concern but little is known about its potential health effects in workers from non-industrialized countries. Ecuadorian workers from the coast (hot environments) and Andean region (elevated UV radiation) might be at particular risk of such effects. In the Andean region, measurements of UV index show maximum levels exceeding 11, a level considered being extreme according to the WHO. Also, an increased incidence of skin cancer was reported the last decennium, this being the second most common cancer type in men and women...
July 2016: Annali Dell'Istituto Superiore di Sanità
Khadiza Khatun, Arif Hasan Khan Robin, Jong-In Park, Chang Kil Kim, Ki-Byung Lim, Min-Bae Kim, Do-Jin Lee, Ill Sup Nou, Mi-Young Chung
The actin depolymerizing factor (ADF) proteins have growth, development, defense-related and growth regulatory functions in plants. The present study used genome-wide analysis to investigate ADF family genes in tomato. Eleven tomato ADF genes were identified and differential expression patterns were found in different organs. SlADF6 was preferentially expressed in roots, suggesting its function in root development. SlADF1, SlADF3 and SlADF10 were predominately expressed in the flowers compared to the other organs and specifically in the stamen compared to other flower parts, indicating their potential roles in pollen development...
2016: Genes
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...
2016: International Journal of Environmental Research and Public Health
Pierre Valois, Patrick Blouin, Claudine Ouellet, Jean-Sébastien Renaud, Diane Bélanger, Pierre Gosselin
INTRODUCTION: As the health consequences of climate change (CC) will likely become more manifest in the future, family physicians have to be knowledgeable about these impacts and the ways in which they can affect their patients. The main aim of this study was to propose a competency framework and questionnaire used to conduct a needs analysis to identify and prioritize family physicians' real educational needs regarding the health impacts of CC. METHODS: A mixed method combining a qualitative interview and a quantitative online questionnaire was used (n = 24 physicians)...
2016: Journal of Continuing Education in the Health Professions
Michaela-Diana Fitrolaki, Helen Dimitriou, Maria Venihaki, Marianna Katrinaki, Stavroula Ilia, George Briassoulis
Mammalian heat-shock-protein (HSP) 90α rapidly responses to environmental insults. We examined the hypothesis that not only serum HSP72 but also HSP90α is increased in the systemic inflammatory response syndrome (SIRS), severe-sepsis (SS), and/or sepsis (S) compared to healthy children (H); we assessed HSP90α relation to (a) multiple organ system failure (MOSF) and (b) inflammatory-metabolic response and severity of illness.A total of 65 children with S, SS, or SIRS and 25 H were included. ELISA was used to evaluate extracellular HSP90α and HSP72, chemiluminescence interleukins (ILs), flow-cytometry neutrophil-CD64 (nCD64)-expression...
August 2016: Medicine (Baltimore)
David P Eisenman, Holly Wilhalme, Chi-Hong Tseng, Mikhail Chester, Paul English, Stephanie Pincetl, Andrew Fraser, Sitaram Vangala, Satvinder K Dhaliwal
In an extreme heat event, people can go to air-conditioned public facilities if residential air-conditioning is not available. Residences that heat slowly may also mitigate health effects, particularly in neighborhoods with social vulnerability. We explored the contributions of social vulnerability and these infrastructures to heat mortality in Maricopa County and whether these relationships are sensitive to temperature. Using Poisson regression modeling with heat-related mortality as the outcome, we assessed the interaction of increasing temperature with social vulnerability, access to publicly available air conditioned space, home air conditioning and the thermal properties of residences...
September 2016: Health & Place
B Padalino, S L Raidal, E Hall, P Knight, P Celi, L Jeffcott, G Muscatello
BACKGROUND: Transportation can affect equine health and is a potential source of economic loss to the industry. OBJECTIVES: To identify journey (duration, vehicle, commercial or noncommercial) and horse (sex, age, breed, use, amateur or professional status) characteristics associated with the development of transport-related health problems in horses. STUDY DESIGN: Cross-sectional online survey. METHODS: An online survey was conducted targeting amateur and professional participants in the Australian equine industry; eligible respondents were required to organise horse movements at least monthly...
August 26, 2016: Equine Veterinary Journal
Martin D Hoffman, Theodore L Bross, R Tyler Hamilton
OBJECTIVE: Because inappropriate recommendations about hydration during exercise appear widespread and potentially dangerous, we assessed the quality of a sampling of information currently available to the public on the Internet. METHODS: Internet searches using the Google search engine were conducted using the terms "hydration," "hydration guidelines," "drinking fluids" and "drinking guidelines" combined with "and exercise." From the first 50 websites for each search phrase, duplicates were removed yielding 141 unique websites that were categorized by source and examined for specific hydration related information and recommendations...
August 22, 2016: Physician and Sportsmedicine
S J Crowe, A E Newton, L H Gould, M B Parsons, S Stroika, C A Bopp, M Freeman, K Greene, B E Mahon
Toxigenic strains of Vibrio cholerae serogroups O1 and O139 have caused cholera epidemics, but other serogroups - such as O75 or O141 - can also produce cholera toxin and cause severe watery diarrhoea similar to cholera. We describe 31 years of surveillance for toxigenic non-O1, non-O139 infections in the United States and map these infections to the state where the exposure probably originated. While serogroups O75 and O141 are closely related pathogens, they differ in how and where they infect people. Oysters were the main vehicle for O75 infection...
November 2016: Epidemiology and Infection
Earl R Cooper, Michael S Ferrara, Douglas J Casa, John W Powell, Steven P Broglio, Jacob E Resch, Ronald W Courson
CONTEXT: Knowledge about the specific environmental and practice risks to participants in American intercollegiate football during preseason practices is limited. Identifying risks may mitigate occurrences of exertional heat illness (EHI). OBJECTIVE: To evaluate the associations among preseason practice day, session number, and wet bulb globe temperature (WBGT) and the incidence of EHI. DESIGN: Descriptive epidemiology study. SETTING: Sixty colleges and universities representing 5 geographic regions of the United States...
August 9, 2016: Journal of Athletic Training
Yan Wang, Jennifer F Bobb, Bianca Papi, Yun Wang, Anna Kosheleva, Qian Di, Joel D Schwartz, Francesca Dominici
BACKGROUND: Heat stroke is a serious heat-related illness, especially among older adults. However, little is known regarding the spatiotemporal variation of heat stroke admissions during heat waves and what factors modify the adverse effects. METHODS: We conducted a large-scale national study among 23.5 million Medicare fee-for-service beneficiaries per year residing in 1,916 US counties during 1999-2010. Heat wave days, defined as a period of at least two consecutive days with temperatures exceeding the 97th percentile of that county's temperatures, were matched to non-heat wave days by county and week...
2016: Environmental Health: a Global Access Science Source
Pei-Chih Wu, Chi-Chen Lee
Climate change is the greatest threat to public health in the 21st century. The increasing health impact of heat waves, the increasing magnitudes and spatial expansions of vector and water-borne diseases epidemics, and the increasing medical burdens of biological allergic illnesses, worsening local air pollution, and other related issues are expected to continue to increase in severity in the near future. All of these issues are global problems that must be faced. Adaptation strategies and action plans related to climate change are needed and emerging...
August 2016: Hu Li za Zhi the Journal of Nursing
Matt Luther, Fergus W Gardiner, Claire Hansen, David Caldicott
The aim of this study was to determine whether a revised heat warning threshold provides an enhanced predictive tool for increases in Emergency Department heat-related presentations in Canberra, Australia. All Emergency Department triage records containing the word "heat", as well as those diagnosing a heat related illness for the summer periods 2013/2014, 2014/2015, and 2015/2016 were searched. Then a medical record review was conducted to confirm that the patient's presentation was related to environmental heat, which was defined by the final clinical diagnosis, presentation complaint and details of the patient's treatment...
2016: International Journal of Environmental Research and Public Health
Reginald O'Hara, Christopher Vojta, Amy Henry, Lydia Caldwell, Molly Wade, Stacie Swanton, Jon K Linderman, Jason Ordway
INTRODUCTION: Heat-related illness is a critical factor for military personnel operating in hyperthermic environments. Heat illness can alter cognitive and physical performance during sustained operations missions. Therefore, the primary purpose of this investigation was to determine the effects of a novel cooling shirt on core body temperature in highly trained US Air Force personnel. METHODS: Twelve trained (at least 80th percentile for aerobic fitness according to the American College of Sports Medicine, at least 90% on the US Air Force fitness test), male Air Force participants (mean values: age, 25 ± 2...
2016: Journal of Special Operations Medicine: a Peer Reviewed Journal for SOF Medical Professionals
Khadiza Khatun, Arif Hasan Khan Robin, Jong-In Park, Nasar Uddin Ahmed, Chang Kil Kim, Ki-Byung Lim, Min-Bae Kim, Do-Jin Lee, Ill Sup Nou, Mi-Young Chung
LIM domain proteins, some of which have been shown to be actin binding proteins, are involved in various developmental activities and cellular processes in plants. To date, the molecular defense-related functions of LIM family genes have not been investigated in any solanaceous vegetable crop species. In this study, we identified 15 LIM family genes in tomato (Solanum lycopersicum L.) through genome-wide analysis and performed expression profiling in different organs of tomato, including fruits at six different developmental stages...
July 13, 2016: Plant Physiology and Biochemistry: PPB
Jianjun Xiang, Alana Hansen, Dino Pisaniello, Peng Bi
BACKGROUND: Occupational exposure to extreme heat without sufficient protection may not only increase the risk of heat-related illnesses and injuries but also compromise economic productivity. With predictions of more frequent and intense bouts of hot weather, workplace heat exposure is presenting a growing challenge to workers' health and safety. This study aims to investigate workers' perceptions and behavioural responses towards extreme heat exposure in a warming climate. METHODS: A cross-sectional questionnaire survey was conducted in 2012 in South Australia among selected outdoor industries...
2016: BMC Public Health
Robert M Post, Lori L Altshuler, Ralph Kupka, Susan L McElroy, Mark A Frye, Michael Rowe, Heinz Grunze, Trisha Suppes, Paul E Keck, Gabriele S Leverich, Willem A Nolen
BACKGROUND: Family history and adversity in childhood are two replicated risk factors for early onset bipolar disorder. However, their combined impact has not been adequately studied. METHODS: Based on questionnaire data from 968 outpatients with bipolar disorder who gave informed consent, the relationship and interaction of: 1) parental and grandparental total burden of psychiatric illness; and 2) the degree of adversity the patient experienced in childhood on their age of onset of bipolar disorder was examined with multiple regression and illustrated with a heat map...
October 2016: Journal of Psychiatric Research
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