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Kyoung Sook Jeong, Jin Zhou, Stephanie C Griffin, Elizabeth T Jacobs, Devi Dearmon-Moore, Jing Zhai, Sally R Littau, John Gulotta, Paul Moore, Wayne F Peate, Crystal M Richt, Jefferey L Burgess
OBJECTIVES: Firefighters have elevated cancer incidence and mortality rates. MicroRNAs play prominent roles in carcinogenesis, but have not been previously evaluated in firefighters. METHODS: Blood from 52 incumbent and 45 new recruit non-smoking firefighters was analyzed for microRNA expression, and the results adjusted for age, obesity, ethnicity and multiple comparisons. RESULTS: Nine microRNAs were identified with at least a 1.5 fold significant difference between groups...
February 19, 2018: Journal of Occupational and Environmental Medicine
Philippe Gendron, Claude Lajoie, Louis Laurencelle, François Trudeau
OBJECTIVE: We aimed to document the prevalence of cardiovascular disease (CVD) risk factors and symptoms in Québec firefighters. METHODS: Seven hundred and seventy-nine (779) male firefighters (age: 41.6 ± 10.4 years; body mass index (BMI): 28.0 ± 3.6 kg/m) answered an online questionnaire evaluating lifestyle and the presence of CVD risk factors and symptoms. RESULTS: The prevalence of obesity (BMI ≥ 30 kg/m), diagnosed hypertension, diagnosed dyslipidemia and diagnosed type 2 diabetes mellitus was respectively 23...
February 15, 2018: Journal of Occupational and Environmental Medicine
Syed H Haider, Sophia Kwon, Rachel Lam, Audrey K Lee, Erin J Caraher, George Crowley, Liqun Zhang, Theresa M Schwartz, Rachel Zeig-Owens, Mengling Liu, David J Prezant, Anna Nolan
Gastroesophageal reflux disease (GERD) and Barrett's Esophagus (BE), which are prevalent in the World Trade Center (WTC) exposed and general populations, negatively impact quality of life and cost of healthcare. GERD, a risk factor of BE, is linked to obstructive airways disease (OAD). We aim to identify serum biomarkers of GERD/BE, and assess the respiratory and clinical phenotype of a longitudinal cohort of never-smoking, male, WTC-exposed rescue workers presenting with pulmonary symptoms. Biomarkers collected soon after WTC-exposure were evaluated in optimized predictive models of GERD/BE...
February 15, 2018: Scientific Reports
Jennifer L Guelfo, David T Adamson
The United States Environmental Protection Agency (USEPA) completed nationwide screening of six perfluoroalkyl substances in U.S. drinking water from 2013 to 2015 under the Third Unregulated Contaminant Monitoring Rule (UCMR3). UCMR3 efforts yielded a dataset of 36,139 samples containing analytical results from >5000 public water systems (PWSs). This study used UCMR3 data to investigate three aspects of per- and polyfluoroalkyl substances (PFASs) in drinking water: the occurrence of PFAS and co-contaminant mixtures, trends in PFAS detections relative to PWS characteristics and potential release types, and temporal trends in PFAS occurrence...
February 7, 2018: Environmental Pollution
Sara A Jahnke, Walker S C Poston, Nattinee Jitnarin, Christopher K Haddock
Objectives Despite increasing attention to the occupational impact of firefighting, little is known specific to the health of women firefighters. In particular, quantitative data is lacking on the impact firefighting has on maternal and child health for women who become pregnant while working as firefighters. Methods A total of 1821 women firefighters responded to requests to complete a self-report survey of questions about pregnancy. Women answered questions about their departments' policies and practices and their own experiences of pregnancy...
February 8, 2018: Maternal and Child Health Journal
Bo Strandberg, Anneli Julander, Mattias Sjöström, Marie Lewné, Koca Akdeva Hatice, Carolina Bigert
Many workers are occupationally exposed to polycyclic aromatic hydrocarbons (PAHs), which may cause various health problems, and some PAHs are known or suspected carcinogens. PAH exposure is primarily monitored by air sampling, but contamination may also occur through dermal exposure. PAHs adsorbed to the skin can be sampled by tape-stripping, but subsequent extraction of sampling tapes in organic solvent also releases diverse co-eluting substances that are difficult to remove before analysis of the PAHs by gas chromatography/mass spectrometry (GC/MS)...
February 2, 2018: Chemosphere
Elise C Omaki, Shannon Frattaroli, Wendy C Shields, Eileen M McDonald, Nicholas Rizzutti, Meri-K Appy, Denise Voiles, Shelly Jamison, Andrea C Gielen
Objectives To demonstrate the feasibility of partnering fire department personnel and home visiting nurses to increase the number of low-income homes protected by smoke alarms. Methods During a regularly scheduled home visit, nurses at the Nurse-Family Partnership of Maricopa County (NFP) informed their clients about an opportunity to have smoke alarms installed in their homes for free. For interested families, nurses sent a referral to the Phoenix Fire Department (PFD), scheduled an appointment, and accompanied the PFD volunteers during the installation...
February 7, 2018: Maternal and Child Health Journal
Anna A Stec, Kathryn E Dickens, Marielle Salden, Fiona E Hewitt, Damian P Watts, Philip E Houldsworth, Francis L Martin
Cancer incidence appears to be higher amongst firefighters compared to the general population. Given that many cancers have an environmental component, their occupational exposure to products of carbon combustion such as polycyclic aromatic hydrocarbons (PAHs) is of concern. This is the first UK study identifying firefighters exposure to PAH carcinogens. Wipe samples were collected from skin (jaw, neck, hands), personal protective equipment of firefighters, and work environment (offices, fire stations and engines) in two UK Fire and Rescue Service Stations...
February 6, 2018: Scientific Reports
Devin B Phillips, Cameron M Ehnes, Bradley G Welch, Lauren N Lee, Irina Simin, Stewart R Petersen
This study investigated physiological responses and performance during three separate exercise challenges (Parts I, II, and III) with wildland firefighting work clothing ensemble (boots and coveralls) and a 20.4 kg backpack in four conditions: U-EX (no pack, exercise clothing); L-EX (pack, exercise clothing); U-W (no pack, work clothing); and, L-W (pack and work clothing). Part I consisted of randomly-ordered graded exercise tests, on separate days, in U-EX, L-EX and L-W conditions. Part II consisted of randomly-ordered bouts of sub-maximal treadmill exercise in the four conditions...
April 2018: Applied Ergonomics
Paulo Victor R de Carvalho, Angela W Righi, Gilbert J Huber, Caio de F Lemos, Alessandro Jatoba, José Orlando Gomes
Emergency response organizations need to be resilient to cope with escalating events resulting from dynamic, unexpected, or complex situations. In Brazil, the Firefighter Corps are military hierarchal organizations with a culture based on fixed structures, well defined norms and procedures. These push against innovations which are necessary to be resilient. This research describes how firefighter captains in the 30-35-year age range managed an emergency response escalation in light of standard operating procedures (SOPs) during a training exercise...
April 2018: Applied Ergonomics
Minkyung Han, Sohee Park, Jong Heon Park, Seung-Sik Hwang, Inah Kim
OBJECTIVES: The work of public officers involves repeated and long-term exposure to heavy workloads, high job strain and workplace violence, all of which negatively impact physical and mental health. This study aimed to evaluate and compare the incidences of diseases among different categories of public officers in Korea, in order to further understand the health risks associated with these occupations. DESIGN: A cohort study using the National Health Insurance data...
January 31, 2018: BMJ Open
Julie Elbæk Pedersen, Kajsa Ugelvig Petersen, Niels Erik Ebbehøj, Jens Peter Bonde, Johnni Hansen
OBJECTIVES: Firefighters are exposed to multiple cardiovascular hazards, but few epidemiological studies have addressed their cardiovascular morbidity. The objective of this study was therefore to examine the incidence of cardiovascular diseases (CVD) in Danish firefighters. METHODS: We used individual historical employment records on 11.691 male Danish firefighters supplied by trade unions and fire agencies. The Supplementary Pension Fund Register was used to establish two occupational reference groups (a random sample from the male employed population and military employees)...
January 26, 2018: Occupational and Environmental Medicine
Suzy B Gulliver, Michelle L Pennington, Victoria A Torres, Laurie E Steffen, Amruta Mardikar, Frank Leto, William Ostiguy, Rose T Zimering, Nathan A Kimbrel
Due to the stressful nature of the job, firefighters are likely to be at increased risk for behavioral health problems. This study examined the access, attitudes, and preferences of a large sample of professional firefighters (N = 2,156) toward behavioral health services using an online survey. Overall, 81% of participants reported that they had access to behavioral health services through their fire service department, although smaller departments were less likely to offer such services. Despite available programs within fire service, firefighters most commonly reported that they would seek outside help from their spouse/family (67%) or private professional services (60%)...
January 25, 2018: Psychological Services
K Li, E Ochoa, T Lipsey, T Nelson
Background: It has been documented that cardiovascular disease is the leading cause of mortality in on-duty firefighters and little is known about the association between cardiorespiratory fitness and 10-year risk of atherosclerotic cardiovascular disease (ASCVD). Aims: To estimate the probability of 10-year ASCVD risk and its association with per cent body fat (%BF), metabolic syndrome (MetS) and physical fitness in Colorado firefighters. Methods: Ten-year ASCVD risk was calculated using the newly developed pooled cohort equations in firefighters...
January 17, 2018: Occupational Medicine
Johanna Inhyang Kim, Heyeon Park, Jeong-Hyun Kim
BACKGROUND: Firefighters constitute a high-risk group for depression and alcohol use disorders (AUDs) due to frequent exposure to trauma. Perceived job stress and resilience are powerful factors affecting the occurrence of depression and AUDs; however, research on this subject is scarce. METHODS: We investigated the relationship of perceived job stress and resilience with depression or AUDs in firefighters. A total of 7151 Korean firefighters were included for analysis...
December 29, 2017: Journal of Affective Disorders
Maria M Velencoso, Alexander Battig, Jens C Markwart, Bernhard Schartel, Frederik Roman Wurm
The ubiquity of polymeric materials in daily life comes at an increased fire risk, and enduring research into efficient flame retardants is the key to ensuring the safety of the populace and material goods from accidental fires. Phosphorus, a versatile and effective element for use in flame retardants, has the potential to supersede halogenated variants still widely used today: current formulations employ a variety of modes of action and methods of implementation, as additives or as reactants, to solve the task of flame retarding polymeric materials...
January 9, 2018: Angewandte Chemie
U Wesemann, P Zimmermann, M Mahnke, O Butler, S Polk, G Willmund
Background: Terrorist attacks induce various responses in emergency responders. Addressing this range of responses in individual workers is of central interest. Aims: To assess the gender- and occupation-specific effects of a terrorist attack, particularly in emergency responders. Methods: This was a pilot study. Emergency responders present during the 2016 terrorist attack at Breitscheidplatz in Berlin were asked to participate. Measures for crisis management had been previously implemented...
December 22, 2017: Occupational Medicine
Joseph W Boffa, Ian H Stanley, Lia J Smith, Brittany M Mathes, Jana K Tran, Sam J Buser, Norman B Schmidt, Anka A Vujanovic
Posttraumatic stress disorder (PTSD) symptoms are positively related to suicide risk among firefighters. One mechanism that may account for this relationship is anxiety sensitivity (AS) cognitive concerns-the fear that cognitive symptoms of anxiety will have catastrophic consequences. We sought to replicate the mediating effect of AS cognitive concerns on the relationship between PTSD symptoms and suicide risk among 214 trauma-exposed male firefighters with non-zero suicide risk. Bootstrap mediation analyses tested AS cognitive concerns as a statistical mediator of PTSD symptoms (total and symptoms clusters scores) and suicide risk, controlling for depression symptoms and relevant demographic variables...
January 5, 2018: Journal of Nervous and Mental Disease
Jieun E Kim, Stephen R Dager, Hyeonseok S Jeong, Jiyoung Ma, Shinwon Park, Jungyoon Kim, Yera Choi, Suji L Lee, Ilhyang Kang, Eunji Ha, Han Byul Cho, Sunho Lee, Eui-Jung Kim, Sujung Yoon, In Kyoon Lyoo
Repeated exposure to traumatic experiences may put professional firefighters at increased risk of developing posttraumatic stress disorder (PTSD). To date, however, the rate of PTSD symptoms, unmet need for mental health treatment, and barriers to treatment have only been investigated in subsamples rather than the total population of firefighters. We conducted a nationwide, total population-based survey of all currently employed South Korean firefighters (n = 39,562). The overall response rate was 93.8% (n = 37,093), with 68...
2018: PloS One
David A Morgott
A detailed literature search was performed to assess the sources, magnitudes and extent of human inhalation exposure to propylene. Exposure evaluations were performed at both the community and occupational levels for those living or working in different environments. The results revealed a multitude of pyrogenic, biogenic and anthropogenic emission sources. Pyrogenic sources, including biomass burning and fossil fuel combustion, appear to be the primary contributors to atmospheric propylene. Despite a very short atmospheric lifetime, measurable levels could be detected in highly remote locations as a result of biogenic release...
January 4, 2018: International Journal of Environmental Research and Public Health
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