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Heat related illness

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https://www.readbyqxmd.com/read/28723228/thermal-processing-of-live-bivalve-molluscs-for-controlling-viruses-on-the-need-for-a-risk-based-design
#1
Winy Messens, Pablo S Fernandez-Escamez, David Lees, Roland Lindqvist, Michael O'Mahony, Elisabetta Suffredini, José Cortiñas Abrahantes, Emmanouil Chantzis, Kostas Koutsoumanis
Norovirus (NoV) and Hepatitis A virus (HAV) are the most important viral hazards associated with human illness following consumption of contaminated bivalve molluscs. The effectiveness of the current EU criteria for heat processing of bivalve molluscs (i.e. raising the temperature of the internal mollusc flesh to at least 90°C for a minimum of 90 seconds) was evaluated using predictive microbiology. A HAV thermal inactivation model was developed based on literature data in mollusc matrices during isothermal heat treatment...
July 19, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28718257/risk-factors-for-heat-related-deaths-during-the-june-2015-heat-wave-in-karachi-pakistan
#2
Syed Ghazanfar Saleem, Tehreem Ansari, Ashraf Shamshad Ali, Sara Fatima, Mariam Hassan Rizvi, Muhammad Abdul Samad
BACKGROUND: Mortality as a consequence of heat related illness is a public health concern. Emergency department (ED) experiences increased patients' flow and decreased survival as a consequence of heat stroke during the episodes of heat wave. The present study was conducted to identify the risk factors for mortality among victims of heat wave (17th - 23rd June), 2015 evaluated in the Emergency Department of The Indus Hospital (TIH), Karachi. METHODS: In this cross-sectional study data was retrospectively collected...
April 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28708081/modeling-the-effects-of-urban-design-on-emergency-medical-response-calls-during-extreme-heat-events-in-toronto-canada
#3
Drew A Graham, Jennifer K Vanos, Natasha A Kenny, Robert D Brown
Urban residents are at risk of health-related illness during extreme heat events but the dangers are not equal in all parts of a city. Previous studies have found a relationship between physical characteristics of neighborhoods and the number of emergency medical response (EMR) calls. We used a human energy budget model to test the effects of landscape modifications that are designed to cool the environment on the expected number of EMR calls in two neighborhoods in Toronto, Canada during extreme heat events...
July 14, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28701216/the-effect-of-ambient-temperature-on-type-2-diabetes-case-crossover-analysis-of-4-million-gp-consultations-across-england
#4
S Hajat, A Haines, C Sarran, A Sharma, C Bates, L E Fleming
BACKGROUND: Given the double jeopardy of global increases in rates of obesity and climate change, it is increasingly important to recognise the dangers posed to diabetic patients during periods of extreme weather. We aimed to characterise the associations between ambient temperature and general medical practitioner consultations made by a cohort of type-2 diabetic patients. Evidence on the effects of temperature variation in the primary care setting is currently limited. METHODS: Case-crossover analysis of 4,474,943 consultations in England during 2012-2014, linked to localised temperature at place of residence for each patient...
July 12, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28692392/evaluation-of-a-novel-syndromic-surveillance-query-for-heat-related-illness-using-hospital-data-from-maricopa-county-arizona-2015
#5
Jessica R White, Vjollca Berisha, Kathryn Lane, Henri Ménager, Aaron Gettel, Carol R Braun
OBJECTIVES: We evaluated a novel syndromic surveillance query, developed by the Council of State and Territorial Epidemiologists (CSTE) Heat Syndrome Workgroup, for identifying heat-related illness cases in near real time, using emergency department and inpatient hospital data from Maricopa County, Arizona, in 2015. METHODS: The Maricopa County Department of Public Health applied 2 queries for heat-related illness to area hospital data transmitted to the National Syndromic Surveillance Program BioSense Platform: the BioSense "heat, excessive" query and the novel CSTE query...
July 2017: Public Health Reports
https://www.readbyqxmd.com/read/28692389/evaluation-of-the-components-of-the-north-carolina-syndromic-surveillance-system-heat-syndrome-case-definition
#6
Laurel Harduar Morano, Anna E Waller
OBJECTIVES: To improve heat-related illness surveillance, we evaluated and refined North Carolina's heat syndrome case definition. METHODS: We analyzed North Carolina emergency department (ED) visits during 2012-2014. We evaluated the current heat syndrome case definition (ie, keywords in chief complaint/triage notes or International Classification of Diseases, Ninth Revision, Clinical Modification [ ICD-9-CM] codes) and additional heat-related inclusion and exclusion keywords...
July 2017: Public Health Reports
https://www.readbyqxmd.com/read/28692384/advancing-the-use-of-emergency-department-syndromic-surveillance-data-new-york-city-2012-2016
#7
Ramona Lall, Jasmine Abdelnabi, Stephanie Ngai, Hilary B Parton, Kelly Saunders, Jessica Sell, Amanda Wahnich, Don Weiss, Robert W Mathes
INTRODUCTION: The use of syndromic surveillance has expanded from its initial purpose of bioterrorism detection. We present 6 use cases from New York City that demonstrate the value of syndromic surveillance for public health response and decision making across a broad range of health outcomes: synthetic cannabinoid drug use, heat-related illness, suspected meningococcal disease, medical needs after severe weather, asthma exacerbation after a building collapse, and Ebola-like illness in travelers returning from West Africa...
July 2017: Public Health Reports
https://www.readbyqxmd.com/read/28670460/factors-affecting-heat-related-diseases-in-outdoor-workers-exposed-to-extreme-heat
#8
Jungsun Park, Yangho Kim, Inbo Oh
BACKGROUND: The objectives of the present study are to: (i) evaluate the effect of environmental and metabolic heat on heat-related illnesses in outdoor workers; and (ii) evaluate the effect of personal factors, including heat acclimation, on the risk of heat-related illnesses in outdoor workers. METHODS: We identified 47 cases of illnesses from exposure to environmental heat in outdoor workers in Korea from 2010 to 2014, based on review of workers' compensation data...
2017: Annals of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28670286/short-term-low-volume-training-improves-heat-acclimatization-in-an-operational-context
#9
Keyne Charlot, Pierre-Emmanuel Tardo-Dino, Jean-François Buchet, Nathalie Koulmann, Stéphanie Bourdon, Benoit Lepetit, Martin Roslonski, Loïc Jousseaume, Alexandra Malgoyre
Personnel who travel to areas with a hot climate (WBGT > 27°C) may suffer from the heat (physiological strain, thermal discomfort, increased probability of heat illness), making them partially or fully inoperative. Performing physical activities during heat acclimatization is known to improve this process (i.e., improve measures of acclimatization for the same duration of acclimation). However, it is unknown whether such training would be efficient in an operative context, characterized by a high volume of work-related physical activity...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28661984/resting-%C3%AE-adrenergic-blockade-does-not-alter-exercise-thermoregulation-in-children-with-burn-injury-a-randomized-control-trial
#10
Eric Rivas, Serina J McEntire, David N Herndon, Oscar E Suman
The objective of this study was to test the hypothesis that propranolol, a commonly prescribed β-blocker to burned children, in combination with exercise-heat stress, increases the risk of heat illness and exercise intolerance. In a randomized double-blind study, propranolol was given to 10 burned children, and placebo was given to 10 additional burned children (matched for TBSA burned; mean ± SD, 62 ± 13%), while nonburned children served as healthy controls. All groups were matched for age and body morphology (11...
June 28, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28628050/arizona-hospital-discharge-and-emergency-department-database-implications-for-occupational-health-surveillance
#11
Philip Harber, Jennifer Ha, Matthew Roach
OBJECTIVES: The objective of the project was to identify trends in emergency department visits and inpatient admissions for occupational injury and disease frequency and describe the financial impact from specific clinical groups known to have occupational risk factors. METHODS: Workers compensation cases among 19 million records in the Arizona statewide hospital discharge database (HDD) were assessed for seven clinical groups from 2008 to 2014, including back, cardiac, carpal tunnel syndrome, heat-related, psychiatric, pulmonary, and trauma...
April 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28602832/fumarate-decreases-edema-volume-and-improves-functional-outcome-after-experimental-stroke
#12
Bettina Hjelm Clausen, Louise Lundberg, Minna Yli-Karjanmaa, Nellie Anne Martin, Martina Svensson, Maria Zeiler Alfsen, Simon Bertram Flæng, Kristina Lyngsø, Antonio Boza-Serrano, Helle H Nielsen, Pernille B Hansen, Bente Finsen, Tomas Deierborg, Zsolt Illes, Kate Lykke Lambertsen
BACKGROUND: Oxidative stress and inflammation exacerbate tissue damage in the brain after ischemic stroke. Dimethyl-fumarate (DMF) and its metabolite monomethyl-fumarate (MMF) are known to stimulate anti-oxidant pathways and modulate inflammatory responses. Considering these dual effects of fumarates, we examined the effect of MMF treatment after ischemic stroke in mice. METHODS: Permanent middle cerebral artery occlusion (pMCAO) was performed using adult, male C57BL/6 mice...
June 8, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28591871/-relevance-of-heat-health-actions-plans-for-preventive-public-health-in-germany
#13
Birgit Zielo, Andreas Matzarakis
Background Heat waves are among the extreme weather events and represent a growing health hazard for the population in Europe. According to the current climate studies, the probability of an increase and intensification of heat waves has been increasing for years. Particularly affected by exposure to unusually high heat are people whose organism is already weakened by age or illness. As the share of senior citizens in Germany continues to rise as a result of demographic change, the health effects of heat waves are gaining in importance...
June 7, 2017: Das Gesundheitswesen
https://www.readbyqxmd.com/read/28586010/resveratrol-protects-against-l-arginine-induced-acute-necrotizing-pancreatitis-in-mice-by-enhancing-sirt1-mediated-deacetylation-of-p53-and-heat-shock-factor-1
#14
Nian Wang, Fen Zhang, Liu Yang, Jiang Zou, Hao Wang, Ke Liu, Meidong Liu, Huali Zhang, Xianzhong Xiao, Kangkai Wang
Acute necrotizing pancreatitis (ANP) is a common severe critical illness with a high mortality rate. Resveratrol, a polyphenol compound derived from various plants such as grape skin, peanut, berry and veratrum, exhibits multiple biological activities, especially potent anti‑inflammatory activity, but its effect on ANP has not yet been fully elucidated. The present study aimed to investigate the effects of resveratrol on L-arginine-induced ANP and the possible mechanisms. A mouse model of ANP was established by 2 hourly intraperitoneal injections of 8% L-arginine (4 g/kg)...
June 6, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28552777/comparison-of-the-toxicity-of-sintered-and-unsintered-indium-tin-oxide-particles-in-murine-macrophage-and-epidermal-cells
#15
Nicole S Olgun, Anna M Morris, Tabatha Lynn Barber, Aleksandr B Stefaniak, Michael L Kashon, Diane Schwegler-Berry, Kristin J Cummings, Stephen S Leonard
Indium-tin oxide (ITO) is used to produce flat panel displays and several other technology products. Composed of 90% indium oxide (In2O3) and 10% tin oxide (SnO2) by weight, ITO is synthesized under conditions of high heat via a process known as sintering. Indium lung disease, a recently recognized occupational illness, is characterized by pulmonary alveolar proteinosis, fibrosis, and emphysema. Murine macrophage (RAW 264.7) and epidermal (JB6) cells stably transfected with AP-1 to study tumor promoting potential, were used to differentiate between the toxicological profiles of sintered ITO (SITO) and unsintered mixture (UITO)...
May 25, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28552074/heat-and-moisture-exchangers-hmes-and-heated-humidifiers-hhs-in-adult-critically-ill-patients-a-systematic-review-meta-analysis-and-meta-regression-of-randomized-controlled-trials
#16
Maria Vargas, Davide Chiumello, Yuda Sutherasan, Lorenzo Ball, Antonio M Esquinas, Paolo Pelosi, Giuseppe Servillo
BACKGROUND: The aims of this systematic review and meta-analysis of randomized controlled trials are to evaluate the effects of active heated humidifiers (HHs) and moisture exchangers (HMEs) in preventing artificial airway occlusion and pneumonia, and on mortality in adult critically ill patients. In addition, we planned to perform a meta-regression analysis to evaluate the relationship between the incidence of artificial airway occlusion, pneumonia and mortality and clinical features of adult critically ill patients...
May 29, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28509764/environmental-and-physiological-factors-affect-football-head-impact-biomechanics
#17
Jason P Mihalik, Adam Z Sumrall, Susan W Yeargin, Kevin M Guskiewicz, Kevin B King, Scott C Trulock, Edgar W Shields
PURPOSE: Recent anecdotal trends suggest a disproportionate number of head injuries in collegiate football players occur during preseason football camp. In warmer climates, this season also represents the highest risk for heat-related illness among collegiate football players. Since concussion and heat illnesses share many common symptoms, we need 1) to understand if environmental conditions, body temperature, and hydration status affect head impact biomechanics; and 2) to determine if an in-helmet thermistor could provide a valid measure of gastrointestinal temperature...
May 15, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28489460/a-preliminary-study-in-the-alterations-of-mitochondrial-respiration-in-patients-with-carbon-monoxide-poisoning-measured-in-blood-cells
#18
David H Jang, Matthew Kelly, Kevin Hardy, David S Lambert, Frances S Shofer, David M Eckmann
OBJECTIVES: Carbon monoxide (CO) is a colorless and odorless gas responsible for poisoning mortality and morbidity in the United States. At this time, there is no reliable method to predict the severity of poisoning or clinical prognosis following CO exposure. Whole blood cells, such as peripheral blood mononuclear cells (PBMCs) and platelets, have been explored for their potential use to act as sensitive biomarkers for mitochondrial dysfunction which may have a role in CO poisoning. DESIGN: The objective of this study was to measure mitochondrial respiration using intact cells obtained from patients exposed to CO as a potential biomarker for mitochondrial inhibition with results that can be obtained in a time frame useful for guiding clinical care...
July 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28484148/plasma-endotoxin-activity-in-eastern-grey-kangaroos-macropus-giganteus-with-lumpy-jaw-disease
#19
Yukari Sotohira, Kazuyuki Suzuki, Marina Otsuka, Masakazu Tsuchiya, Toshio Shimamori, Yasunobu Nishi, Kenji Tsukano, Mitsuhiko Asakawa
Progressive pyogranulomatous osteomyelitis involving the mandible or maxilla of captive macropods, referred to as "Lumpy jaw disease (LJD)", is one of the most significant causes of illness and death in captive macropods. The aim of the present study was to evaluate the relationship between the severity of LJD and plasma endotoxin activity in kangaroos. Plasma samples obtained from moderate (n=24) and severe LJD (n=12), and healthy kangaroos (n=46), were diluted 1:20 in endotoxin-free water and heated to 80°C for 10 min...
June 29, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28414703/recruitment-methods-and-descriptive-results-of-a-physiologic-assessment-of-latino-farmworkers-the-california-heat-illness-prevention-study
#20
Diane C Mitchell, Javier Castro, Tracey L Armitage, Alondra J Vega-Arroyo, Sally C Moyce, Daniel J Tancredi, Deborah H Bennett, James H Jones, Tord Kjellstrom, Marc B Schenker
OBJECTIVE: The California heat illness prevention study (CHIPS) devised methodology and collected physiological data to assess heat related illness (HRI) risk in Latino farmworkers. METHODS: Bilingual researchers monitored HRI across a workshift, recording core temperature, work rate (metabolic equivalents [METs]), and heart rate at minute intervals. Hydration status was assessed by changes in weight and blood osmolality. Personal data loggers and a weather station measured exposure to heat...
July 2017: Journal of Occupational and Environmental Medicine
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