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https://www.readbyqxmd.com/read/28833580/oxygenated-vocs-aqueous-chemistry-and-potential-impacts-on-residential-indoor-air-composition
#1
Sara Duncan, Kenneth G Sexton, Barbara Turpin
Dampness affects a substantial percentage of homes and is associated with increased risk of respiratory ailments; yet the effects of dampness on indoor chemistry are largely unknown. We hypothesize that the presence of water-soluble gases and their aqueous processing alters the chemical composition of indoor air and thereby affects inhalation and dermal exposures in damp homes. Herein, we use the existing literature and new measurements to examine the plausibility of this hypothesis, summarize existing evidence, and identify key knowledge gaps...
August 22, 2017: Indoor Air
https://www.readbyqxmd.com/read/28764762/housing-conditions-of-urban-households-with-aboriginal-children-in-nsw-australia-tenure-type-matters
#2
Melanie J Andersen, Anna B Williamson, Peter Fernando, Darryl Wright, Sally Redman
BACKGROUND: Housing is a key determinant of the poor health of Aboriginal Australians. Most Aboriginal people live in cities and large towns, yet research into housing conditions has largely focused on those living in remote areas. This paper measures the prevalence of housing problems amongst participants in a study of urban Aboriginal families in New South Wales, Australia, and examines the relationship between tenure type and exposure to housing problems. METHODS: Cross-sectional survey data was provided by 600 caregivers of 1406 Aboriginal children aged 0-17 years participating in Phase One of the Study of Environment on Aboriginal Resilience and Child Health (SEARCH)...
August 1, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28695715/patient-reported-signs-of-dampness-at-home-may-be-a-risk-factor-for-chronic-rhinosinusitis-a-cross-sectional-study
#3
Caroline Ahlroth Pind, María Gunnbjörnsdottír, Anders Bjerg, Bengt Järvholm, Bo Lundbäck, Andrei Malinovschi, Roelinde Middelveld, Johan Nilsson Sommar, Dan Norbäck, Christer Janson
BACKGROUND: An association between dampness at home and respiratory conditions has been convincingly demonstrated in children. Fewer studies have been performed in adults and data are lacking for chronic rhinosinusitis (CRS). With a prevalence of 10.9% in Europe, CRS imposes a significant burden on quality of life, as well as economy. OBJECTIVE: Our aim was to study CRS and other respiratory conditions in relation to dampness at home in a representative sample of adults...
July 11, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28635545/current-asthma-respiratory-symptoms-and-airway-infections-among-students-in-relation-to-the-school-and-home-environment-in-japan
#4
Motoko Takaoka, Kyoko Suzuki, Dan Norbäck
OBJECTIVE: To study associations between the school and home environment and current asthma, respiratory symptoms and airway infections among Japanese students. METHODS: Japanese students (12-15 y) (N = 1048) in four schools responded to a questionnaire on respiratory health, allergy and the home environment. Temperature, relative air humidity (RH) and student density (students/m(2) floor area) was measured in the classrooms: dust was collected from floors and in classroom air and analysed for cat (Fel d 1) and dog (Can f 1) allergens...
August 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28410872/prevalence-and-risk-factors-for-wheezing-and-allergic-diseases-in-preschool-children-a-perspective-from-the-mediterranean-coast-of-turkey
#5
E Bolat, T Arikoglu, M A Sungur, S B Batmaz, S Kuyucu
OBJECTIVES: The aim of the present study was to determine the prevalence and risk factors of allergic diseases in preschool children from one of the biggest cities in the Mediterranean Region of Turkey. METHODS: The study population included 396 preschool children attending to urban daycare centres in Mersin. In the first stage, a comprehensive standardised questionnaire modified from the International Study of Asthma and Allergies in Childhood (ISAAC) was employed...
July 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/28351766/common-cold-among-pre-school-children-in-china-associations-with-ambient-pm10-and-dampness-mould-cats-dogs-rats-and-cockroaches-in-the-home-environment
#6
Dan Norbäck, Chan Lu, Yinping Zhang, Baizhan Li, Zhuohui Zhao, Chen Huang, Xin Zhang, Hua Qian, Jan Sundell, Qihong Deng
BACKGROUND: There is some evidence that dampness, mould and cockroaches can increase the risk of respiratory infections in children but few studies exist from China on this topic. Aim To study associations between domestic early life exposure to biological indoor factors (dampness, mould, cats, dogs, rats, cockroaches), cleaning habits and common cold among pre-school children across China. METHODS: Children aged 3-6years (n=39,782) were recruited from randomly selected day care centres in seven cities in China...
June 2017: Environment International
https://www.readbyqxmd.com/read/28284980/the-kingston-allergy-birth-cohort-exploring-parentally-reported-respiratory-outcomes-through-the-lens-of-the-exposome
#7
Michelle L North, Jeffrey R Brook, Elizabeth Y Lee, Vanessa Omana, Nadia M Daniel, Lisa M Steacy, Greg J Evans, Miriam L Diamond, Anne K Ellis
BACKGROUND: The Kingston Allergy Birth Cohort (KABC) is a prenatally recruited cohort initiated to study the developmental origins of allergic disease. Kingston General Hospital was chosen for recruitment because it serves a population with notable diversity in environmental exposures relevant to the emerging concept of the exposome. OBJECTIVE: To establish a profile of the KABC using the exposome framework and examine parentally reported respiratory symptoms to 2 years of age...
April 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28150176/health-hazards-in-the-home-an-assessment-of-a-southern-nevada-community
#8
Amanda Sokolowsky, Erika Marquez, Erin Sheehy, Casey Barber, Shawn Gerstenberger
As a sub-grantee of a Department of Housing and Urban Development (HUD) Lead Hazard Control and Healthy Homes Program, the University of Nevada, Las Vegas' Department of Environmental and Occupational Health performed lead and Healthy Homes investigations and collected data regarding conditions in the home environment in Henderson, Nevada. The purpose of this research is to characterize housing conditions in southern Nevada, compare data to census data, and to highlight the health outcomes associated with adverse housing conditions...
August 2017: Journal of Community Health
https://www.readbyqxmd.com/read/28108095/indoor-temperature-and-humidity-in-new-york-city-apartments-during-winter
#9
Ashlinn Quinn, Jeffrey Shaman
BACKGROUND: Concerns about indoor residential humidity have largely centered on dampness prevention. Overly dry air, however, may favor the survival of some viruses and hence respiratory infections. Many residents employ portable humidifiers to humidify their home environment, yet the effect of these humidifiers on indoor humidity is not known. METHODS: We monitored indoor temperature and humidity in 34 apartments in New York City during winter 2014-2015. We combined information from the monitors with surveyed information on building, household, and apartment-level factors and with information on household humidifier use...
April 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28005296/current-wheeze-asthma-respiratory-infections-and-rhinitis-among-adults-in-relation-to-inspection-data-and-indoor-measurements-in-single-family-houses-in-sweden-the-betsi-study
#10
J Wang, K Engvall, G Smedje, H Nilsson, D Norbäck
In the Swedish Building Energy, Technical Status and Indoor environment study, a total of 1160 adults from 605 single-family houses answered a questionnaire on respiratory health. Building inspectors investigated the homes and measured temperature, air humidity, air exchange rate, and wood moisture content (in attic and crawl space). Moisture load was calculated as the difference between indoor and outdoor absolute humidity. Totally, 7.3% were smokers, 8.7% had doctor' diagnosed asthma, 11.2% current wheeze, and 9...
July 2017: Indoor Air
https://www.readbyqxmd.com/read/27931228/internal-living-environment-and-respiratory-disease-in-children-findings-from-the-growing-up-in-new-zealand-longitudinal-child-cohort-study
#11
Sandar Tin Tin, Alistair Woodward, Rajneeta Saraf, Sarah Berry, Polly Atatoa Carr, Susan M B Morton, Cameron C Grant
BACKGROUND: The incidence of early childhood acute respiratory infections (ARIs) has been associated with aspects of the indoor environment. In recent years, public awareness about some of these environmental issues has increased, including new laws and subsequent changes in occupant behaviours. This New Zealand study investigated current exposures to specific risk factors in the home during the first five years of life and provided updated evidence on the links between the home environment and childhood ARI hospitalisation...
December 8, 2016: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/27812754/household-environment-lifestyle-behaviors-and-dietary-habits-in-relation-to-childhood-atopic-eczema-in-shanghai-china
#12
Jiao Cai, Wei Liu, Yu Hu, Zhijun Zou, Li Shen, Chen Huang
PURPOSES: We aim to investigate associations of the child's individual characteristics, building characteristics, home environmental exposures, family lifestyle behaviors, and dietary habits on childhood eczema during lifetime-ever and in the last year before the survey. METHODS: During April 2011-April 2012, we conducted a cross-sectional study and collected 13,335 parents-reported questionnaires of 4-6-year-old children from 72 kindergartens in Shanghai, China...
January 2017: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/27802882/respiratory-symptoms-and-fractional-exhaled-nitric-oxide-feno-among-students-in-penang-malaysia-in-relation-to-signs-of-dampness-at-school-and-fungal-dna-in-school-dust
#13
Dan Norbäck, Jamal Hisham Hashim, Zailina Hashim, Gui-Hong Cai, Vinoshini Sooria, Syazwan Aizat Ismail, Gunilla Wieslander
Few health studies exist on dampness and mould in schools in the tropics. We studied associations between fraction of exhaled nitric oxide (FeNO), respiratory symptoms and airway infections among students and dampness and fungal DNA in schools in Malaysia. A total of 368 randomly selected students from 32 classrooms in 8 secondary schools in Penang, Malaysia, participated (58% participation rate). Information on current respiratory symptoms and the home environment was collected by a standardised questionnaire...
January 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/27741314/respiratory-illness-and-allergy-related-to-work-and-home-environment-among-commercial-pilots
#14
Xi Fu, Torsten Lindgren, Gunilla Wieslander, Christer Janson, Dan Norbäck
The aim was to study associations between work and home environment and prevalence and incidence of respiratory health and a history of atopy in a 3-y cohort of commercial pilots. A questionnaire was mailed in 1997 to all pilots in a Scandinavian airline company (N = 622); 577 (93%) participated. The same questionnaire was sent to the participants 3 years later, 436 participated (76%). There were questions on asthma, respiratory symptoms and infections, allergies, the cabin environment, psychosocial environment and the home environment...
2016: PloS One
https://www.readbyqxmd.com/read/27557270/four-plate-piezoelectric-actuator-driving-a-large-diameter-special-optical-fiber-for-nonlinear-optical-microendoscopy
#15
Ying Wang, Zhi Li, Xiaobao Liang, Ling Fu
In nonlinear optical microendoscope (NOME), a fiber with excellent optical characteristics and a miniature scanning mechanism at the distal end are two key components. Double-clad fibers (DCFs) and double-clad photonic crystal fibers (DCPCFs) have shown great optical characteristics but limited vibration amplitude due to large diameter. Besides reducing the damping of fiber cantilever, optimizing the structural of the actuator for lower energy dissipation also contributes to better driving capability. This paper presented an optimized actuator for driving a particular fiber cantilever in the view point of energy...
August 22, 2016: Optics Express
https://www.readbyqxmd.com/read/27397820/acceptance-of-home-support-and-integrated-care-among-advanced-copd-patients-who-live-outside-large-medical-centers
#16
Iwona Damps-Konstańska, Lidia Werachowska, Piotr Krakowiak, Małgorzata Kaczmarek, Bogumiła Cynowska, Dorota Górecka, Malgorzata Krajnik, Jerzy Kozielski, Ewa Jassem
BACKGROUND: Poor self-management constitutes a risk factor for COPD deterioration. Patients from rural areas located at a considerable distance from large medical centers frequently need home-support in advanced stages of the disease. Integrated care has been proposed as a comprehensive model for appropriate treatment, coordination and holistic support. The aim of the study was to assess whether home visits provided by trained assistants are needed and accepted by advanced COPD patients living in rural areas a to evaluate whether an individual short educational program can actually improve such patients' knowledge of COPD and inhaler use...
August 2016: Applied Nursing Research: ANR
https://www.readbyqxmd.com/read/27191186/associations-between-parents-perceived-air-quality-in-homes-and-health-among-children-in-nanjing-china
#17
Hua Qian, Xiaohong Zheng, Min Zhang, Louise Weschler, Jan Sundell
The increasing prevalence of respiratory diseases in Chinese children has focused attention on indoor environmental quality. We investigated associations between perceived air quality in domestic environments and children's allergic diseases with a questionnaire survey study. A total of 4017 children aged 1-8 years old from 23 kindergartens in urban, suburban and industrial areas in Nanjing were randomly recruited for this study. Parents' perceived odors, including stuffy odor, unpleasant odor, pungent odor, moldy odor, humid air and dry air were found to be associated with asthma, wheeze, dry cough and rhinitis (P < 0...
2016: PloS One
https://www.readbyqxmd.com/read/27184027/occupational-and-environmental-risk-factors-for-chronic-rhinosinusitis-in-china-a-multicentre-cross-sectional-study
#18
Wen-Xiang Gao, Chun-Quan Ou, Shu-Bin Fang, Yue-Qi Sun, Hua Zhang, Lei Cheng, Yan-Jun Wang, Dong-Dong Zhu, Wei Lv, Shi-Xi Liu, P Z Li, Geng Xu, Jianbo Shi, Qing-Ling Fu
BACKGROUND: Chronic rhinosinusitis (CRS) is defined as a condition of inflammation in the paranasal sinus mucosa persisting for more than 12 weeks. We previously reported that the prevalence of CRS was about 8 % in China. Here, we aim to investigate the occupational and environmental risk factors associated with CRS. METHODS: Data were collected from seven Chinese cities: Urumqi, Changchun, Beijing, Wuhan, Chengdu, Huaian and Guangzhou. CRS was diagnosed according to the European Position Paper on Rhinosinusitis and Nasal Polyps (EP(3)OS) document...
2016: Respiratory Research
https://www.readbyqxmd.com/read/27157934/home-assessment-and-remediation
#19
Charles S Barnes, W Elliott Horner, Kevin Kennedy, Carl Grimes, J David Miller
Awareness of the relationship of fungi to asthma in indoor air is very old and well documented. There is substantial evidence that mold and dampness exacerbate asthma in sensitized individuals. Many governmental and nongovernmental organizations around the world have issued guidelines to the effect that the elimination of moisture intrusion and the removal of moldy items from living space can improve respiratory health. The process of home assessment for moisture and mold presence is discussed along with factors that can be used to guide fungal exposure reduction efforts...
May 2016: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/27101454/outdoor-air-pollution-meteorological-conditions-and-indoor-factors-in-dwellings-in-relation-to-sick-building-syndrome-sbs-among-adults-in-china
#20
Chan Lu, Qihong Deng, Yuguo Li, Jan Sundell, Dan Norbäck
Indoor environment is associated with the sick building syndrome (SBS), but little is known about the contribution of outdoor air pollution and meteorological conditions to SBS. We studied associations between outdoor air pollution, meteorological parameters and selected indoor exposure and building characteristics at home and weekly SBS symptoms in a standardized questionnaire study among 3485 randomly selected adults in China. Outdoor factors included particulate matters with diameter <10μm (PM10), sulfur dioxide (SO2), nitrogen dioxide (NO2), outdoor temperature (T), relative air humidity (RH), and wind speed (WS) during last three months...
August 1, 2016: Science of the Total Environment
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