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https://www.readbyqxmd.com/read/28941609/association-of-apolipoproteins-b-and-a-1-with-markers-of-vascular-health-or-cardiovascular-events
#1
Yiming M Zhu, Subodh Verma, Marinda Fung, Matthew J McQueen, Todd J Anderson, Eva M Lonn
BACKGROUND: Apolipoprotein B (apoB) and apolipoprotein A-1 (apoA-1) are markers of lipoprotein metabolism. Although their relationship to cardiovascular disease has been well documented, little is known regarding their correlation to measures of vascular structure and function. This study was conducted to investigate the relationship between apoA-1, apoB, and measures of vascular function, as well their relationship to adverse cardiovascular events. Moreover, we evaluated whether apoB or the apoB/apoA-1 ratio was more closely related to vascular markers than was low-density lipoprotein cholesterol (LDL-C) or non-high-density lipoprotein cholesterol (non-HDL-C)...
October 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28926576/receptor-for-advanced-glycation-end-products-and-world-trade-center-particulate-induced-lung-function-loss-a-case-cohort-study-and-murine-model-of-acute-particulate-exposure
#2
Erin J Caraher, Sophia Kwon, Syed H Haider, George Crowley, Audrey Lee, Minah Ebrahim, Liqun Zhang, Lung-Chi Chen, Terry Gordon, Mengling Liu, David J Prezant, Ann Marie Schmidt, Anna Nolan
World Trade Center-particulate matter(WTC-PM) exposure and metabolic-risk are associated with WTC-Lung Injury(WTC-LI). The receptor for advanced glycation end-products (RAGE) is most highly expressed in the lung, mediates metabolic risk, and single-nucleotide polymorphisms at the AGER-locus predict forced expiratory volume(FEV). Our objectives were to test the hypotheses that RAGE is a biomarker of WTC-LI in the FDNY-cohort and that loss of RAGE in a murine model would protect against acute PM-induced lung disease...
2017: PloS One
https://www.readbyqxmd.com/read/28922585/climatic-and-anthropogenic-drivers-of-northern-amazon-fires-during-the-2015-2016-el-ni%C3%A3-o-event
#3
Marisa G Fonseca, Liana O Anderson, Egidio Arai, Yosio E Shimabukuro, Haron A M Xaud, Maristela R Xaud, Nima Madani, Fabien H Wagner, Luiz E O C Aragão
The strong El Niño Southern Oscillation (ENSO) event that occurred in 2015/2016 caused extreme drought in the northern Brazilian Amazon, especially in the state of Roraima, increasing fire occurrence. Here we map the extent of precipitation and fire anomalies and quantify the effects of climatic and anthropogenic drivers on fire occurrence during the 2015/2016 dry season (from December 2015 to March 2016) in the state of Roraima. To achieve these objectives we first estimated the spatial pattern of precipitation anomalies, based on long-term data from the TRMM (Tropical Rainfall Measuring Mission), and the fire anomaly, based on MODIS (Moderate Resolution Imaging Spectroradiometer) active fire detections during the referred period...
September 18, 2017: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28920706/do-night-and-around-the-clock-firefighters-shift-schedules-induce-deviation-in-tau-from-24-hours-of-systolic-and-diastolic-blood-pressure-circadian-rhythms
#4
Alain E Reinberg, Michael H Smolensky, Marc Riedel, Cedric Riedel, Eric Brousse, Yvan Touitou
Systolic (S) and diastolic (D) blood pressures (BP) [SBP and DBP] are circadian rhythmic with period (τ) in healthy persons assumed to be maintained at 24.0h. We tested this assumption in a sample of 30 healthy career (mean >12 yrs) 30-to-46 yr-old male Caucasian French firefighters (FFs) categorized into three groups according to work schedule and duties: Group A - 12 FFs working 12h day, 12h night, and occasionally 24h shifts and whose primary duties are firefighting plus paramedical and road rescue services; Group B - 9 FFs working mostly 12h day and 12h night shifts and whose duties are answering incoming emergency calls and coordinating service vehicle dispatch from fire stations with Group A personnel; Group C - 9 day shift (09:00-17:00h) FFs charged with administrative tasks...
September 18, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28912742/perception-action-and-cognition-of-football-referees-in-extreme-temperatures-impact-on-decision-performance
#5
Nadia Gaoua, Rita F de Oliveira, Steve Hunter
Different professional domains require high levels of physical performance alongside fast and accurate decision-making. Construction workers, police officers, firefighters, elite sports men and women, the military and emergency medical professionals are often exposed to hostile environments with limited options for behavioral coping strategies. In this (mini) review we use football refereeing as an example to discuss the combined effect of intense physical activity and extreme temperatures on decision-making and suggest an explicative model...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28906347/exercise-induced-bronchoconstriction-with-firefighting-contained-breathing-apparatus
#6
Leigh M Seccombe, Lachlan Buddle, John D Brannan, Matthew J Peters, Claude S Farah
PURPOSE: Protective self-contained breathing apparatus (SCBA) used for firefighting delivers decompressed (cold), dehumidified air that may enhance the severity of exercise-induced bronchoconstriction (EIB) in those susceptible. We investigated the effect of SCBA during exercise on airway caliber in people with asthma and healthy controls. METHODS: Two exercise challenges (EC) designed to elicit EIB were performed on separate days within one week. The initial challenge was breathing room air (ECRA) with workload titrated to elicit >60% estimated maximum voluntary ventilation...
September 12, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28894421/impact-of-different-personal-protective-clothing-on-wildland-firefighters-physiological-strain
#7
Belén Carballo-Leyenda, José G Villa, Jorge López-Satué, Jose A Rodríguez-Marroyo
Wildfire firefighting is an extremely demanding occupation performed under hot environment. The use of personal protective clothing (PPC) is needed to protect subjects from the thermal exposure. However, the additional use of PPC may increase the wildland firefighters' physiological strain, and consequently limit their performance. The aim of this study was to analyze the effect of four different PPC on the physiological strain of wildland firefighters under moderate conditions (30°C and 30% RH). Eight active and healthy wildland firefighters performed a submaximal walking test wearing a traditional short sports gear and 4 different PPC...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28892794/corrigendum-to-decreased-plasma-adiponectin-among-male-firefighters-with-symptoms-of-post-traumatic-stress-disorder-j-affect-disord-221-2017-254-258
#8
Kyoung-Sae Na, Eunkyong Kim, Jong-Tae Park
No abstract text is available yet for this article.
September 8, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28891770/treating-panic-disorder-hypnotically
#9
David B Reid
A hypnosis protocol for treating panic disorder is provided. The implementation of this protocol is demonstrated through a case example involving the successful treatment of a 28-year-old firefighter presenting with a 4-month history of near-daily panic attacks. Core principles associated with this protocol include: (1) Elementary education about the physiology of panic; (2) A review of primary factors contributing to the evolution and manifestation of panic; (3) Encouragement of physical activity; (4) Utilization of hypnosis applications; and (5) Monitoring and measuring progress evidenced by a reduction in the frequency and intensity of panic attacks...
October 2017: American Journal of Clinical Hypnosis
https://www.readbyqxmd.com/read/28888187/effect-of-tank-diameter-on-thermal-behavior-of-gasoline-and-diesel-storage-tanks-fires
#10
Ricardo Machado Leite, Felipe Roman Centeno
Studies on fire behavior are extremely important as they contribute in a firefighting situation or even to avoid such hazard. Experimental studies of fire in real scale are unfeasible, implying that reduced-scale experiments must be performed, and results extrapolated to the range of interest. This research aims to experimentally study the fire behavior in tanks of 0.04m, 0.20m, 0.40m, 0.80m and 4.28m diameter, burning regular gasoline or diesel oil S-500. The following parameters were here obtained: burning rates, burning velocities, heat release rates, flame heights, and temperature distributions adjacent to the tank...
August 24, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28882257/safety-climate-and-firefighting-focus-group-results
#11
David M DeJoy, Todd D Smith, Mari-Amanda Dyal
BACKGROUND: Firefighting is a hazardous occupation and there have been numerous calls for fundamental changes in how fire service organizations approach safety and balance safety with other operational priorities. These calls, however, have yielded little systematic research. METHODS: As part of a larger project to develop and test a model of safety climate for the fire service, focus groups were used to identify potentially important dimensions of safety climate pertinent to firefighting...
September 2017: Journal of Safety Research
https://www.readbyqxmd.com/read/28878694/physiological-responses-to-firefighting-in-extreme-temperatures-do-not-compare-to-firefighting-in-temperate-conditions
#12
Stephanie Windisch, Wolfgang Seiberl, Daniel Hahn, Ansgar Schwirtz
Purpose: The aim of this study was to examine physiological responses to two different simulated firefighting exercises: a firefighting exercise with flashovers, smoke, poor visibility and extreme temperatures (300°) in a burning container and a standard firefighting exercise in temperate conditions. Furthermore, a second purpose of the study was to find out if the contribution of strength and endurance capacities to firefighting performance changes when the demands of the firefighting exercise change. Methods: Sixteen professional firefighters performed a maximum treadmill test, strength testing, a standard simulated firefighting exercise (SFE) without heat and flashovers and a firefighting exercise with a simulation of the flashover phenomenon in a burning container (FOT)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28877717/cardiovascular-health-effects-following-exposure-of-human-volunteers-during-fire-extinction-exercises
#13
Maria Helena Guerra Andersen, Anne Thoustrup Saber, Peter Bøgh Pedersen, Steffen Loft, Åse Marie Hansen, Ismo Kalevi Koponen, Julie Elbæk Pedersen, Niels Ebbehøj, Eva-Carina Nørskov, Per Axel Clausen, Anne Helene Garde, Ulla Vogel, Peter Møller
BACKGROUND: Firefighters have increased risk of cardiovascular disease and of sudden death from coronary heart disease on duty while suppressing fires. This study investigated the effect of firefighting activities, using appropriate personal protective equipment (PPE), on biomarkers of cardiovascular effects in young conscripts training to become firefighters. METHODS: Healthy conscripts (n = 43) who participated in a rescue educational course for firefighting were enrolled in the study...
September 6, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28877646/comparison-of-canadian-firefighters-and-normal-controls-based-on-the-submaximal-fitness-testing-and-strength-considering-age-and-gender
#14
Goris Nazari, Joy C MacDermid, Kathryn E Sinden R Kin, Tom J Overend
INTRODUCTION: Few studies have addressed whether the firefighters are more fit than the general population and possess sufficient levels of aerobic capacity and muscle strength to perform on duty tasks in a safe and efficient manner, considering age and gender. We aimed to evaluate the fitness levels of Hamilton firefighters, and to determine the effects of age and gender. METHODS: 89 participants were recruited. The Modified Canadian Aerobic Fitness Test was used to determine participants' estimated maximal oxygen consumptions (VO2-max) levels...
September 7, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
https://www.readbyqxmd.com/read/28871848/personality-characteristics-and-individual-factors-associated-with-ptsd-in-firefighters-one-month-after-extended-wildfires
#15
Constantin Psarros, Christos Theleritis, Nikolaos Kokras, Dimitris Lyrakos, Angelos Koborozos, Olga Kakabakou, Georgios Tzanoulinos, Panagiota Katsiki, Joanna Despoina Bergiannaki
BACKGROUND: Firefighters participate in activities with intense physical and psychological stress and are constantly at risk to develop various psychopathological reactions. AIMS: To investigate psychological reactions in firefighters one month after devastating wildfires in Greece, during August 2007, which lead to the devastation of large areas and the death of 43 people among whom three were firefighters. METHODS: One month after the wildfires, a joint task force of mental health clinicians was organized in order to provide psychological support and to investigate the psychological consequences of wildfires to firefighters...
September 5, 2017: Nordic Journal of Psychiatry
https://www.readbyqxmd.com/read/28869309/resting-heart-rate-heart-rate-reserve-and-metabolic-syndrome-in-professional-firefighters-a-cross-sectional-study
#16
BongKyoo Choi, SangBaek Ko, Stacey Kojaku
BACKGROUND: Little is known about the associations of resting heart rate (RHR) and heart rate reserve (HRR) with metabolic syndrome (MetS) in firefighters. METHODS: For each of 288 professional firefighters, HRR was calculated as the difference between measured RHR and estimated maximum HR. For comparison, VO2 max based on a treadmill test was included. MetS was defined according to the NCEP/ATP III criteria. RESULTS: The prevalence of MetS was 14...
September 4, 2017: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/28861557/diesel-particulate-matter-and-polycyclic-aromatic-hydrocarbons-in-fire-stations
#17
Raymond C Bott, Katherine M Kirk, Michael B Logan, Damien A Reid
Firefighters are known to be exposed to a wide variety of combustion products during operational and training firefighting activities. However, the potential for exposure to diesel exhaust emissions, recently classified as carcinogenic to humans by the International Agency for Research on Cancer, also exists within the fire station environment. In this study, concentrations of diesel particulate matter and polycyclic aromatic hydrocarbons have been measured in the engine bays, duty offices and dormitory areas of eight fire stations in Queensland, Australia...
September 1, 2017: Environmental Science. Processes & Impacts
https://www.readbyqxmd.com/read/28852906/descriptive-epidemiology-for-community-wide-naloxone-administration-by-police-officers-and-firefighters-responding-to-opioid-overdose
#18
Sarah Cercone Heavey, Alan M Delmerico, Gale Burstein, Cheryll Moore, William F Wieczorek, R Lorraine Collins, Yu-Ping Chang, Gregory G Homish
Recently implemented New York State policy allows police and fire to administer intranasal naloxone when responding to opioid overdoses. This work describes the geographic distribution of naloxone administration (NlxnA) by police and fire when responding to opioid overdoses in Erie County, NY, an area of approximately 920,000 people including the City of Buffalo. Data are from opioid overdose reports (N = 800) filed with the Erie County Department of Health (July 2014-June 2016) by police/fire and include the overdose ZIP code, reported drug(s) used, and NlxnA...
August 29, 2017: Journal of Community Health
https://www.readbyqxmd.com/read/28845686/mental-disorder-symptoms-among-public-safety-personnel-in-canada
#19
R Nicholas Carleton, Tracie O Afifi, Sarah Turner, Tamara Taillieu, Sophie Duranceau, Daniel M LeBouthillier, Jitender Sareen, Rose Ricciardelli, Renee S MacPhee, Dianne Groll, Kadie Hozempa, Alain Brunet, John R Weekes, Curt T Griffiths, Kelly J Abrams, Nicholas A Jones, Shadi Beshai, Heidi A Cramm, Keith S Dobson, Simon Hatcher, Terence M Keane, Sherry H Stewart, Gordon J G Asmundson
BACKGROUND: Canadian public safety personnel (PSP; e.g., correctional workers, dispatchers, firefighters, paramedics, police officers) are exposed to potentially traumatic events as a function of their work. Such exposures contribute to the risk of developing clinically significant symptoms related to mental disorders. The current study was designed to provide estimates of mental disorder symptom frequencies and severities for Canadian PSP. METHODS: An online survey was made available in English or French from September 2016 to January 2017...
January 1, 2017: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
https://www.readbyqxmd.com/read/28845170/psychological-factors-influence-the-irritable-bowel-syndrome-and-their-effect-on-quality-of-life-among-firefighters-in-south-korea
#20
Seung-Ho Jang, Han-Seung Ryu, Suck-Chei Choi, Sang-Yeol Lee
OBJECTIVE: The purpose of this study was to investigate the characteristics of psychological factors that are related to irritable bowel syndrome (IBS) and their effects on the quality of life (QOL) of firefighters in South Korea. METHODS: This study examined data collected from 1217 firefighters in South Korea. After identifying firefighters with IBS according to the Rome III diagnostic criteria for functional gastrointestinal disorders (FGIDs), we collected demographic data and psychological variables through self-administered questionnaires...
July 2017: Psychiatry Investigation
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