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Heat related illness

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https://www.readbyqxmd.com/read/29757912/dysfunction-of-iron-metabolism-and-iron-regulatory-proteins-in-the-rat-hippocampus-after-heat-stroke
#1
Jing Liu, Shengming Wan, Yun Zhang, Shu Zhang, Hongying Zhang, Shiwen Wu
Heat stroke, the most serious type of heat illness, refers to the presence of hyperthermia (core temperature >40°C), accompanied by central nervous system dysfunction. The hippocampus is a particularly vulnerable region in the early stage of heat stroke. Increasing evidence suggests that dysregulation of brain iron metabolism is involved in many neurodegenerative diseases. However, whether heat stroke causes dysfunction of iron metabolism, as well as iron-regulatory proteins, in the hippocampus remains unknown...
May 11, 2018: Shock
https://www.readbyqxmd.com/read/29755105/current-and-potential-future-seasonal-trends-of-indoor-dwelling-temperature-and-likely-health-risks-in-rural-southern-africa
#2
Thandi Kapwata, Michael T Gebreslasie, Angela Mathee, Caradee Yael Wright
Climate change has resulted in rising temperature trends which have been associated with changes in temperature extremes globally. Attendees of Conference of the Parties (COP) 21 agreed to strive to limit the rise in global average temperatures to below 2 °C compared to industrial conditions, the target being 1.5 °C. However, current research suggests that the African region will be subjected to more intense heat extremes over a shorter time period, with projections predicting increases of 4⁻6 °C for the period 2071⁻2100, in annual average maximum temperatures for southern Africa...
May 10, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29755052/lessons-learned-from-data-collection-as-health-screening-in-underserved-farmworker-communities
#3
Joan Flocks, J Antonio Tovar, Eugenia Economos, Valerie Vi Thien Mac, Abby Mutic, Katherine Peterman, Linda McCauley
BACKGROUND: Girasoles is an academic-community partnership investigating heat-related illness (HRI) among farm-workers. An unexpected outcome is health screening and intervention for participants without access to health care. OBJECTIVES: We present a case of renal failure in a farmworker, detected during data collection, to illustrate how academic-community collaboration can result in clinical benefits for study participants. METHODS: Girasoles is examining physiologic responses to heat stress, associated vulnerability factors, and HRI symptoms...
2018: Progress in Community Health Partnerships: Research, Education, and Action
https://www.readbyqxmd.com/read/29742138/a-novel-early-risk-assessment-tool-for-detecting-clinical-outcomes-in-patients-with-heat-related-illness-j-erato-score-development-and-validation-in-independent-cohorts-in-japan
#4
Kei Hayashida, Yutaka Kondo, Toru Hifumi, Junya Shimazaki, Yasutaka Oda, Shinichiro Shiraishi, Tatsuma Fukuda, Junichi Sasaki, Keiki Shimizu
BACKGROUND: We sought to develop a novel risk assessment tool to predict the clinical outcomes after heat-related illness. METHODS: Prospective, multicenter observational study. Patients who transferred to emergency hospitals in Japan with heat-related illness were registered. The sample was divided into two parts: 60% to construct the score and 40% to validate it. A binary logistic regression model was used to predict hospital admission as a primary outcome. The resulting model was transformed into a scoring system...
2018: PloS One
https://www.readbyqxmd.com/read/29726698/on-the-use-of-wearable-physiological-monitors-to-assess-heat-strain-during-occupational-heat-stress
#5
Sean R Notley, Andreas D Flouris, Glen P Kenny
Workers in many industries are required to perform arduous work in high heat stress conditions, which can lead to rapid increases in body temperature that elevate the risk of heat-related illness or even death. Traditionally, effort to mitigate work-related heat injury has been directed to the assessment of environmental heat stress (e.g., wet-bulb globe temperature), rather than the associated physiological strain responses (e.g., heart rate, skin and core temperatures). However, since a workers physiological response to a given heat stress is modified independently by inter-individual factors (e...
May 4, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29682002/household-air-pollution-hap-microenvironment-and-child-health-strategies-for-mitigating-hap-exposure-in-urban-rwanda
#6
Ipsita Das, Joseph Pedit, Sudhanshu Handa, Pamela Jagger
Exposure to household air pollution (HAP) from cooking and heating with solid fuels is major risk factor for morbidity and mortality in sub-Saharan Africa. Children under five are particularly at risk for acute lower respiratory infection. We use baseline data from randomized controlled trial evaluating a household energy intervention in Gisenyi, Rwanda to investigate the role of the microenvironment as a determinant of children's HAP-related health symptoms. Our sample includes 529 households, with 694 children under five...
2018: Environmental Research Letters: ERL [Web Site]
https://www.readbyqxmd.com/read/29669616/comparison-of-thermal-manikin-modeling-and-human-subjects-response-during-use-of-cooling-devices-under-personal-protective-ensembles-in-the-heat
#7
Tyler Quinn, Jung-Hyun Kim, Yongsuk Seo, Aitor Coca
IntroductionPersonal protective equipment (PPE) recommended for use in West Africa during the Ebola outbreak increased risk for heat illness, and countermeasures addressing this issue would be valuable.Hypothesis/ProblemThe purpose of this study was to examine the physiological impact and heat perception of four different personal cooling devices (PCDs) under impermeable PPE during low-intensity exercise in a hot and humid environment using thermal manikin modeling and human testing. METHODS: Six healthy male subjects walked on a treadmill in a hot/humid environment (32°C/92% relative humidity [RH]) at three metabolic equivalents (METs) for 60 minutes wearing PPE recommended for use in West Africa and one of four different personal cooling devices (PCDs; PCD1, PCD2, PCD3, and PCD4) or no PCD for control (CON)...
April 19, 2018: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/29621422/fire-service-instructors-working-practices-a-uk-survey
#8
Emily R Watkins, Mark Hayes, Peter Watt, Alan J Richardson
Analysis of Fire Service Instructors (FSI) working practices and health is needed to minimise health risks related to heat illness, cardiovascular events and immunological stress. Online surveys were distributed to UK FSI and Firefighters (FF). One hundred and thirty FSI (age: 43±7yrs) and 232 FF (age: 41±8yrs) responded. FSI experienced 2-10 live fires per week, with 45% of FSI reporting management does not set a limit on the number of exposures. Few FSI followed hydration guidelines, or cooling methods...
April 5, 2018: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/29613996/timing-and-predictors-of-mild-and-severe-heat-illness-among-new-military-enlistees
#9
D Alan Nelson, Patricia A Deuster, Francis G OʼConnor, Lianne M Kurina
PURPOSE: Heat illnesses are important and potentially fatal conditions among physically active individuals. We determined predictors of heat illness among enlistees in a large military population experiencing common physical activity patterns. METHODS: We estimated the adjusted odds of mild and severe heat illness associated with demographic, health-related, and geographic factors among active-duty, United States Army soldiers enlisting between January 2011 - December 2014 (N=238,168) using discrete-time multivariable logistic regression analyses...
April 27, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29601479/burden-and-risk-factors-for-cold-related-illness-and-death-in-new-york-city
#10
Kathryn Lane, Kazuhiko Ito, Sarah Johnson, Elizabeth A Gibson, Andrew Tang, Thomas Matte
Exposure to cold weather can cause cold-related illness and death, which are preventable. To understand the current burden, risk factors, and circumstances of exposure for illness and death directly attributed to cold, we examined hospital discharge, death certificate, and medical examiner data during the cold season from 2005 to 2014 in New York City (NYC), the largest city in the United States. On average each year, there were 180 treat-and-release emergency department visits (average annual rate of 21.6 per million) and 240 hospital admissions (29...
March 30, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29580167/evaluation-of-heat-stress-and-heat-strain-among-employees-working-outdoors-in-an-extremely-hot-environment
#11
Mark Methner, Judith Eisenberg
A heat stress evaluation was conducted among employees engaged in strenuous work in an extremely hot outdoor environment. Environmental conditions that contribute to heat stress along with various physiological indicators of heat strain were monitored on a task-basis for nine employees daily across 4 workdays. Employees performed moderate to heavy tasks in elevated environmental conditions for longer periods of time than recommended by various heat stress exposure limits. Seven of nine employees showed evidence of excessive heat strain according to criteria yet all employees were able to self-regulate task duration and intensity to avoid heat-related illness...
March 26, 2018: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/29538692/outpatient-clinic-visits-during-heat-waves-findings-from-a-large-family-medicine-clinical-database
#12
Devesh Vashishtha, William Sieber, Brittany Hailey, Kristen Guirguis, Alexander Gershunov, Wael K Al-Delaimy
Introduction: The purpose of this study was to determine whether heat waves are associated with increased frequency of clinic visits for ICD-9 codes of illnesses traditionally associated with heat waves. Methods: During 4 years of family medicine clinic data between 2012 and 2016, we identified six heat wave events in San Diego County. For each heat wave event, we selected a control period in the same season that was twice as long. Scheduling a visit on a heat wave day (versus a non-heat wave day) was the primary predictor, and receiving a primary ICD-9 disease code related to heat waves was the outcome...
March 10, 2018: Family Practice
https://www.readbyqxmd.com/read/29534918/surveillance-of-carbon-monoxide-related-incidents-implications-for-prevention-of-related-illnesses-and-injuries-2005-2014
#13
Sutapa Mukhopadhyay, Annie Hirsch, Suze Etienne, Natalia Melnikova, Jennifer Wu, Kanta Sircar, Maureen Orr
BACKGROUND: Carbon monoxide (CO) is an insidious gas responsible for approximately 21,000 emergency department visits, 2300 hospitalizations, and 500 deaths in the United States annually. We analyzed 10 combined years of data from two Agency for Toxic Substances and Disease Registry acute hazardous substance release surveillance programs to evaluate CO incident-related injuries. METHODS: Seventeen states participated in these programs during 2005-2014. RESULTS: In those 10years, the states identified 1795 CO incidents...
February 13, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29509710/what-can-we-learn-about-workplace-heat-stress-management-from-a-safety-regulator-complaints-database
#14
Alana Hansen, Dino Pisaniello, Blesson Varghese, Shelley Rowett, Scott Hanson-Easey, Peng Bi, Monika Nitschke
Heat exposure can be a health hazard for many Australian workers in both outdoor and indoor situations. With many heat-related incidents left unreported, it is often difficult to determine the underlying causal factors. This study aims to provide insights into perceptions of potentially unsafe or uncomfortably hot working conditions that can affect occupational health and safety using information provided by the public and workers to the safety regulator in South Australia (SafeWork SA). Details of complaints regarding heat exposure to the regulator's "Help Centre" were assembled in a dataset and the textual data analysed thematically...
March 6, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29483392/impact-of-temperature-in-summer-on-emergency-transportation-for-heat-related-diseases-in-japan
#15
Yukie Ito, Manabu Akahane, Tomoaki Imamura
Background: In Japan, the demand for emergency transportation for people with heat-related illness has recently increased. The purpose of this study was to investigate the relationship between incidents of heat-related illness and the daily maximum temperature. Methods: The daily maximum temperatures in Japan's 11 districts over the past 10 years were classified into four categories, with cutoff points at the 50th , 75th , 95th , and higher than 95th percentiles...
March 5, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29471745/effects-of-high-ambient-temperature-on-ambulance-dispatches-in-different-age-groups-in-fukuoka-japan
#16
Kazuya Kotani, Kayo Ueda, Xerxes Seposo, Shusuke Yasukochi, Hiroko Matsumoto, Masaji Ono, Akiko Honda, Hirohisa Takano
BACKGROUND: The elderly population has been the primary target of intervention to prevent heat-related illnesses. According to the literature, the highest risks have been observed among the elderly in the temperature-mortality relationship. However, findings regarding the temperature-morbidity relationship are inconsistent. OBJECTIVES: This study aimed to examine the association of temperature with ambulance dispatches due to acute illnesses, stratified by age group...
2018: Global Health Action
https://www.readbyqxmd.com/read/29428173/medical-diagnoses-of-heat-wave-related-hospital-admissions-in-older-adults
#17
Stephanie Hopp, Francesca Dominici, Jennifer F Bobb
Heat waves have been associated with adverse human health effects, including higher rates of all-cause and cardiovascular mortality, and these health effects may be exacerbated under continued climate change. However, specific causes of hospitalizations associated with heat waves have not been characterized on a national scale. We systematically estimated the risks of cause-specific hospitalizations during heat waves in a national cohort of 23.7 million Medicare enrollees residing in 1943 U.S. counties during 1999-2010...
May 2018: Preventive Medicine
https://www.readbyqxmd.com/read/29415213/risk-of-exertional-heat-illnesses-associated-with-sickle-cell-trait-in-u-s-military
#18
Darrell E Singer, Celia Byrne, Ligong Chen, Stephanie Shao, Jonathan Goldsmith, David W Niebuhr
Introduction: A number of studies have found an association between sickle cell trait (SCT) and exertional heat illnesses (EHIs) including heat stroke, a potentially fatal condition. The strength of this association varied across studies, limiting the ability to quantify potential benefits of SCT-screening policies for competitive athletics and military service members. We determined the relative rate and attributable risk of developing EHI associated with being SCT positive and the EHI health care utilization...
February 5, 2018: Military Medicine
https://www.readbyqxmd.com/read/29394965/frequency-of-macroprolactin-in-hyperprolactinemia
#19
Noreen Abbas Sherazi, Mirza Zain Baig, Aysha Habib Khan
OBJECTIVE: To determine the frequency of Macroprolactin (MaPRL) in patients with increased total prolactin and its clinical and financial impact. STUDY DESIGN: Cross-sectional study. PLACE AND DURATION OF STUDY: Section of Clinical Chemistry, Department of Pathology and Laboratory Medicine, The Aga Khan University Hospital, Karachi, from March to May 2015. METHODOLOGY: Patients with high total prolactin were screened by polyethylene glycol (PEG) precipitation for determination of MaPRL...
February 2018: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29389908/assessing-heat-stress-and-health-among-construction-workers-in-a-changing-climate-a-review
#20
Payel Acharya, Bethany Boggess, Kai Zhang
Construction workers are at an elevated risk of heat stress, due to the strenuous nature of the work, high temperature work condition, and a changing climate. An increasing number of workers are at risk, as the industry's growth has been fueled by high demand and vast numbers of immigrant workers entering into the U.S., the Middle East and Asia to meet the demand. The risk of heat-related illnesses is increased by the fact that little to no regulations are present and/or enforced to protect these workers. This review recognizes the issues by summarizing epidemiological studies both in the U...
February 1, 2018: International Journal of Environmental Research and Public Health
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