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Heat related illness

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https://www.readbyqxmd.com/read/28314926/american-football-and-fatal-exertional-heat-stroke-a-case-study-of-korey-stringer
#1
Andrew Grundstein, John A Knox, Jennifer Vanos, Earl R Cooper, Douglas J Casa
On August 1, 2001, Korey Stringer, a Pro Bowl offensive tackle for the Minnesota Vikings, became the first and to date the only professional American football player to die from exertional heat stroke (EHS). The death helped raise awareness of the dangers of exertional heat illnesses in athletes and prompted the development of heat safety policies at the professional, collegiate, and interscholastic levels. Despite the public awareness of this death, no published study has examined in detail the circumstances surrounding Stringer's fatal EHS...
March 17, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28283460/anti-parkinsonian-l-dopa-can-also-act-as-anti-systemic-amyloidosis-a-mechanistic-exploration
#2
Saima Nusrat, Nida Zaidi, Mohammad Khursheed Siddiqi, Masihuz Zaman, Ibrar Ahmed Siddique, Mohammad Rehan Ajmal, Ali Saber Abdelhameed, Rizwan Hasan Khan
In spite of the fact that amyloid related neurodegenerative illnesses and non-neuropathic systemic amyloidosis have allured the research endeavors, as no cure has been announced yet apart from symptomatic treatment. Therapeutic agents which can reduce or disaggregate those toxic oligomers and fibrillar species have been studied with more compounds are on their way. The current research work describes comprehensive biophysical, computational and microscopic studies which reveal that L-3, 4-dihydroxyphenylalanine (L-Dopa) have indisputable efficacy to hinder the heat induced amyloid fibrillation of the human lysozyme (HL) and also preserve the fibril disaggregating potential...
March 7, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28210860/a-heat-vulnerability-index-to-improve-urban-public-health-management-in-san-juan-puerto-rico
#3
Pablo Méndez-Lázaro, Frank E Muller-Karger, Daniel Otis, Matthew J McCarthy, Ernesto Rodríguez
Increased frequency and length of high heat episodes are leading to more cardiovascular issues and asthmatic responses among the population of San Juan, the capital of the island of Puerto Rico, USA. An urban heat island effect, which leads to foci of higher temperatures in some urban areas, can raise heat-related mortality. The objective of this research is to map the risk of high temperature in particular locations by creating heat maps of the city of San Juan. The heat vulnerability index (HVI) maps were developed using images collected by satellite-based remote sensing combined with census data...
February 17, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28190442/neurologic-complications-of-acute-environmental-injuries
#4
I R F da Silva, J A Frontera
Environmental injuries can result in serious neurologic morbidity. This chapter reviews neurologic complications of thermal burns, smoke inhalation, lightning strikes, electric injury, near drowning, decompression illness, as well as heat stroke and accidental hypothermia. Knowing the pathophysiology and clinical presentation of such injuries is essential to proper management of primary and secondary medical complications. This chapter highlights the most frequently encountered neurologic injuries secondary to common environmental hazards, divided into the topics: injuries related to fire, electricity, water, and the extremes of temperature...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28135290/global-proteome-changes-in-the-rat-diaphragm-induced-by-endurance-exercise-training
#5
Kurt J Sollanek, Jatin G Burniston, Andreas N Kavazis, Aaron B Morton, Michael P Wiggs, Bumsoo Ahn, Ashley J Smuder, Scott K Powers
Mechanical ventilation (MV) is a life-saving intervention for many critically ill patients. Unfortunately, prolonged MV results in the rapid development of diaphragmatic atrophy and weakness. Importantly, endurance exercise training results in a diaphragmatic phenotype that is protected against ventilator-induced diaphragmatic atrophy and weakness. The mechanisms responsible for this exercise-induced protection against ventilator-induced diaphragmatic atrophy remain unknown. Therefore, to investigate exercise-induced changes in diaphragm muscle proteins, we compared the diaphragmatic proteome from sedentary and exercise-trained rats...
2017: PloS One
https://www.readbyqxmd.com/read/28118110/heat-exposure-in-central-florida-fernery-workers-results-of-a-feasibility-study
#6
Valerie Vi Thien Mac, Jose Antonio Tovar-Aguilar, Joan Flocks, Jeannie Economos, Vicki Hertzberg, Linda A McCauley
OBJECTIVE: The objective of this study was to determine the feasibility of field-based biomonitoring of heat-related illness (HRI) phenomena in Florida farmworkers. We determined feasibility through participant interviews regarding acceptability, data capture, recruitment and retention, and observed barriers and challenges to implementation. METHODS: Study participants were employed in fernery operations in northeast Central Florida where ornamental ferns are grown and harvested in a seasonally high heat environment...
January 24, 2017: Journal of Agromedicine
https://www.readbyqxmd.com/read/28108783/health-symptoms-in-relation-to-temperature-humidity-and-self-reported-perceptions-of-climate-in-new-york-city-residential-environments
#7
Ashlinn Quinn, Jeffrey Shaman
Little monitoring has been conducted of temperature and humidity inside homes despite the fact that these conditions may be relevant to health outcomes. Previous studies have observed associations between self-reported perceptions of the indoor environment and health. Here, we investigate associations between measured temperature and humidity, perceptions of indoor environmental conditions, and health symptoms in a sample of New York City apartments. We measured temperature and humidity in 40 New York City apartments during summer and winter seasons and collected survey data from the households' residents...
January 20, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28066542/characterization-of-tubular-liquid-crystal-structure-in-embryonic-stem-cell-derived-embryoid-bodies
#8
MengMeng Xu, Odell D Jones, Liyang Wang, Xin Zhou, Harry G Davis, Joseph L Bryant, Jianjie Ma, Willian B Isaacs, Xuehong Xu
BACKGROUND: Massive liquid crystal droplets have been found during embryonic development in more than twenty different tissues and organs, including the liver, brain and kidney. Liquid crystal deposits have also been identified in multiple human pathologies, including vascular disease, liver dysfunction, age-related macular degeneration, and other chronic illnesses. Despite the involvement of liquid crystals in such a large number of human processes, this phenomenon is poorly understood and there are no in vitro systems to further examine the function of liquid crystals in biology...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28039200/work-related-musculoskeletal-disorders-among-construction-workers-in-the-united-states-from-1992-to-2014
#9
Xuanwen Wang, Xiuwen Sue Dong, Sang D Choi, John Dement
OBJECTIVES: Examine trends and patterns of work-related musculoskeletal disorders (WMSDs) among construction workers in the USA, with an emphasis on older workers. METHODS: WMSDs were identified from the 1992-2014 Survey of Occupational Injuries and Illnesses (SOII), and employment was estimated from the Current Population Survey (CPS). Risk of WMSDs was measured by number of WMSDs per 10 000 full-time equivalent workers and stratified by major demographic and employment subgroups...
December 30, 2016: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/27998386/analysis-of-a-community-based-intervention-to-reduce-heat-related-illness-during-heat-waves-in-licheng-china-a-quasi-experimental-study
#10
Jing Li, Xin Xu, Jun Wang, Yun Zhao, Xiu Ping Song, Zhi Dong Liu, Li Na Cao, Bao Fa Jiang, Qi Yong Liu
OBJECTIVE: To reduce health-related threats of heat waves, interventions have been implemented in many parts of the world. However, there is a lack of higher-level evidence concerning the intervention efficacy. This study aimed to determine the efficacy of an intervention to reduce the number of heat-related illnesses. METHODS: A quasi-experimental design was employed by two cross-sectional surveys in the year 2014 and 2015, including 2,240 participants and 2,356 participants, respectively...
2016: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/27857960/heat-strain-during-military-training-activities-the-dilemma-of-balancing-force-protection-and-operational-capability
#11
Andrew P Hunt, Daniel C Billing, Mark J Patterson, Joanne N Caldwell
Military activities in hot environments pose 2 competing demands: the requirement to perform realistic training to develop operational capability with the necessity to protect armed forces personnel against heat-related illness. To ascertain whether work duration limits for protection against heat-related illness restrict military activities, this study examined the heat strain and risks of heat-related illness when conducting a military activity above the prescribed work duration limits. Thirty-seven soldiers conducted a march (10 km; ∼5...
April 2016: Temperature: Multidisciplinary Biomedical Journal
https://www.readbyqxmd.com/read/27857683/in-vitro-magnetic-stimulation-a-simple-stimulation-device-to-deliver-defined-low-intensity-electromagnetic-fields
#12
Stephanie Grehl, David Martina, Catherine Goyenvalle, Zhi-De Deng, Jennifer Rodger, Rachel M Sherrard
Non-invasive brain stimulation (NIBS) by electromagnetic fields appears to benefit human neurological and psychiatric conditions, although the optimal stimulation parameters and underlying mechanisms remain unclear. Although, in vitro studies have begun to elucidate cellular mechanisms, stimulation is delivered by a range of coils (from commercially available human stimulation coils to laboratory-built circuits) so that the electromagnetic fields induced within the tissue to produce the reported effects are ill-defined...
2016: Frontiers in Neural Circuits
https://www.readbyqxmd.com/read/27816842/parasite-to-patient-a-quantitative-risk-model-for-trichinella-spp-in-pork-and-wild-boar-meat
#13
Frits Franssen, Arno Swart, Joke van der Giessen, Arie Havelaar, Katsuhisa Takumi
Consumption of raw or inadequately cooked pork meat may result in trichinellosis, a human disease due to nematodes of the genus Trichinella. In many countries worldwide, individual control of pig carcasses at meat inspection is mandatory but incurs high costs in relation to absence of positive carcasses from pigs reared under controlled housing. EU regulation 2015/1375 implements an alternative risk-based approach, in view of absence of positive findings in pigs under controlled housing conditions. Moreover, Codex Alimentarius guidelines for the control of Trichinella spp...
January 16, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/27800449/molecular-typing-of-staphylococcus-aureus-isolate-responsible-for-staphylococcal-poisoning-incident-in-homemade-food
#14
Guerrino Macori, Alberto Bellio, Daniela Manila Bianchi, Silvia Gallina, Daniela Adriano, Fabio Zuccon, Francesco Chiesa, Pier Luigi Acutis, Francesco Casalinuovo, Lucia Decastelli
In October 2012, two persons fell ill with symptoms consistent with staphylococcal food poisoning after eating home-canned tuna fish and tomatoes. Laboratory investigation detected the enterotoxins in the home-canned tuna and molecular analysis of the isolated Staphylococcus aureus confirmed it carried toxin genes. Qualitative enzyme-linked immunosorbent assay and enzime linked fluorescent assay methods and quantitative assay identified the enterotoxins in the food leftovers, specifically staphylococcal enterotoxins type A (SEA) and D (SED), respectively 0...
April 19, 2016: Italian Journal of Food Safety
https://www.readbyqxmd.com/read/27779310/exertional-heat-illness-and-acute-injury-related-to-ambient-wet-bulb-globe-temperature
#15
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...
December 2016: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/27748132/-the-influence-of-heat-shock-proteins-on-hepatic-ischaemia-reperfusion-injury
#16
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
https://www.readbyqxmd.com/read/27716794/a-case-crossover-study-of-heat-exposure-and-injury-risk-in-outdoor-agricultural-workers
#17
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
https://www.readbyqxmd.com/read/27698295/climate-change-and-agricultural-workers-health-in-ecuador-occupational-exposure-to-uv-radiation-and-hot-environments
#18
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
https://www.readbyqxmd.com/read/27690110/genome-wide-identification-characterization-and-expression-profiling-of-adf-family-genes-in-solanum-lycopersicum-l
#19
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...
September 29, 2016: Genes
https://www.readbyqxmd.com/read/27618079/economic-burden-of-hospitalizations-for-heat-related-illnesses-in-the-united-states-2001-2010
#20
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
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