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https://www.readbyqxmd.com/read/29452713/physiochemical-characteristics-of-aerosol-particles-collected-from-the-jokhang-temple-indoors-and-the-implication-to-human-exposure
#1
Lulu Cui, Bu Duo, Fei Zhang, Chunlin Li, Hongbo Fu, Jianmin Chen
This paper presents a detailed study on the indoor air pollution in the Jokahng Temple at Tibet Plateau, and its implication to human health. The mean concentrations of PM 1.0 and PM 2.5 were 435.0 ± 309.5 and 483.0 ± 284.9 μg/m 3 , respectively. The PM 2.5 concentration exceeded the National Ambient Air Quality Standard (75 μg/m 3 ) by 6.4 times. The size-segregated aerosols displayed a bimodal distribution. One peak was observed in the fine mode (0.4-2.1 μm) and the other peak appeared in the coarse mode (2...
February 13, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29385278/national-data-showed-that-delayed-sleep-in-six-year-old-children-was-associated-with-excessive-use-of-electronic-devices-at-12-years
#2
Tsuguhiko Kato, Takashi Yorifuji, Michiyo Yamakawa, Sachiko Inoue
AIM: Cross-sectional studies have shown associations between adolescent sleep problems and the use of electronic devices, such as mobile phones, but longitudinal studies remain scarce. We explored any association between delayed bedtimes at six years old and the excessive use of electronic devices at 12 years of age. Texting was a prime focus. METHODS: We analysed 9,607 adolescents who owned mobile phones in 2013 using the Japanese Longitudinal Survey of Newborns in the 21st Century, which started in 2001...
January 31, 2018: Acta Paediatrica
https://www.readbyqxmd.com/read/29336754/predictors-and-outcomes-of-nondiagnostic-ultrasound-for-acute-appendicitis-in-children
#3
Richard Sola, Blair A Wormer, William E Anderson, Thomas M Schmelzer, Graham H Cosper
Ultrasound assessments of children with possible acute appendicitis (AA) are often nondiagnostic. We aimed to identify the predictors of nondiagnostic ultrasound and to investigate the outcomes. A retrospective review was conducted on children aged 4 to 17 years evaluated in 2013 for AA with ultrasound at a tertiary hospital pediatric emergency department. Demographics, clinical data, and outcomes were analyzed. Of 528 children, 194 (36.7%) had diagnostic ultrasounds and 334 (63.3%) had nondiagnostic ultrasounds...
December 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/29317140/transvenous-pacing-in-pediatric-patients-with-bipolar-lumenless-lead-ten-year-clinical-experience
#4
Paolo De Filippo, Fabrizio Giofrè, Cristina Leidi, Michele Senni, Paola Ferrari
INTRODUCTION: A number of challenges can affect long-term performance of endocardial implanted systems in pediatric patients. Select Secure™ lead offers potential advantages for this population. This analysis aims to evaluate long-term performance of this lead in children, with and without congenital heart disease. METHODS: A retrospective analysis of all patients younger than 16years, implanted with at least one Select Secure™ lead at our institution, was performed...
January 4, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29313471/epidemiological-serological-and-virological-features-of-dengue-in-nha-trang-city-vietnam
#5
Duong Le Quyen, Nguyen Thanh Le, Cao Thi Van Anh, Nguyen Binh Nguyen, Dong Van Hoang, Jacqui L Montgomery, Simon C Kutcher, Nguyen Hoang Le, Nguyen Tran Hien, Duong Thi Hue Kien, Maia Rabaa, Scott L O'Neill, Cameron P Simmons, Dang Duc Anh, Katherine L Anders
Vietnam is endemic for dengue. We conducted a series of retrospective and prospective studies to characterize the epidemiology of dengue and population mobility patterns in Nha Trang city, Vietnam, with a view to rational design of trials of community-level interventions. A 10-year time series of dengue case notifications showed pronounced interannual variability, as well as spatial heterogeneity in ward-level dengue incidence (median annual coefficient of variation k = 0.47). Of 451 children aged 1-10 years enrolled in a cross-sectional serosurvey, almost one-third had evidence of a past dengue virus (DENV) infection, with older children more likely to have a multitypic response indicative of past exposure to ≥ 1 serotype...
January 8, 2018: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29302571/sleeping-habits-among-school-children-and-their-effects-on-sleep-pattern
#6
Apurva Mishra, Ramesh Kumar Pandey, Anurag Minz, Varuni Arora
Introduction: Sleep problems can occur at any age. Inadequate sleep affects the physiological as well as psychological well-being of an individual. Thus, the objective of the present study is, to determine the pre sleep habits, duration and pattern of sleep among school children and to determine association between their sleep schedules and sleep habits. Methods: This cross-sectional study comprised of 1050 children attending the government school. Based on inclusion and exclusion criteria children were from three age groups: 4-5 years, 6-10 years and 11-15 years of age...
December 2017: Journal of Caring Sciences
https://www.readbyqxmd.com/read/29259031/fine-particulate-pollution-and-asthma-exacerbations
#7
Naïm Bouazza, Frantz Foissac, Saik Urien, Romain Guedj, Ricardo Carbajal, Jean-Marc Tréluyer, Hélène Chappuy
OBJECTIVE: As the results from epidemiological studies about the impact of outdoor air pollution on asthma in children are heterogeneous, our objective was to investigate the association between asthma exacerbation in children and exposure to air pollutants. METHODS: A database of 1 264 585 paediatric visits during the 2010-2015 period to the emergency rooms from 20 emergency departments (EDs) of 'Assistance Publique Hôpitaux de Paris (APHP)', the largest hospital group in Europe, was used...
December 19, 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/29186837/systematic-review-and-meta-analysis-of-human-skin-diseases-due-to-particulate-matter
#8
Le Thi Nhu Ngoc, Duckshin Park, Yongil Lee, Young-Chul Lee
This study investigated the effects of particulate matter (PM) on human skin diseases by conducting a systematic review of existing literature and performing a meta-analysis. It considered articles reporting an original effect of PM on human skin. From among 918 articles identified, 13 articles were included for further consideration after manual screening of the articles resulted in the exclusion of articles that did not contain data, review articles, editorials, and also articles in languages other than English...
November 25, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29178916/do-hedonic-versus-nutrition-based-attitudes-toward-food-predict-food-choices-a-cross-sectional-study-of-6-to-11-year-olds
#9
Lucile Marty, Maud Miguet, Marie Bournez, Sophie Nicklaus, Stéphanie Chambaron, Sandrine Monnery-Patris
BACKGROUND: Implicit and explicit attitudes are potential precursors of food choices and combine affective and cognitive components that can vary in their relative dominance. Yet, the affective and cognitive components of attitudes toward food can lead to distinct predisposition toward a food item and potentially to different food choices. In the food domain, the affective component pertains to the hedonic tone of consumption, while the cognitive component encompasses nutritional value or health consequences of food...
November 25, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/29172680/efficacy-and-safety-of-hld200-delayed-release-and-extended-release-methylphenidate-in-children-with-attention-deficit-hyperactivity-disorder
#10
Steven R Pliszka, Timothy E Wilens, Samantha Bostrom, Valerie K Arnold, Andrea Marraffino, Andrew J Cutler, Frank A López, Norberto J DeSousa, Floyd R Sallee, Bev Incledon, Jeffrey H Newcorn
OBJECTIVE: Evening-dosed HLD200 is a delayed-release and extended-release methylphenidate (DR/ER-MPH) formulation consisting of uniform, dual-layered microbeads with an inner drug-loaded core. DR/ER-MPH is designed to delay the initial release of drug by 8-10 hours, and thereafter, provide a controlled, extended drug release to target onset of effect upon awakening that lasts into the evening. This phase 3 study evaluated the safety and efficacy of DR/ER-MPH on symptoms and temporal at-home functional impairment in children with attention-deficit/hyperactivity disorder (ADHD)...
August 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/29138201/effect-of-iron-and-zinc-biofortified-pearl-millet-consumption-on-growth-and-immune-competence-in-children-aged-12-18-months-in-india-study-protocol-for-a-randomised-controlled-trial
#11
Saurabh Mehta, Julia L Finkelstein, Sudha Venkatramanan, Samantha L Huey, Shobha A Udipi, Padmini Ghugre, Caleb Ruth, Richard L Canfield, Anura V Kurpad, Ramesh D Potdar, Jere D Haas
INTRODUCTION: Biofortified crops represent a sustainable agricultural solution for the widespread micronutrient malnutrition in India and other resource-limited settings. This study aims to investigate the effect of the consumption of foods prepared with iron- and zinc-biofortified pearl millet (FeZn-PM) by children on biomarkers of iron and zinc status, growth, and immune function. METHODS AND ANALYSIS: We will conduct a randomised controlled feeding trial in identified slums of Mumbai, India among 200 children aged between 12 and 18 months...
November 14, 2017: BMJ Open
https://www.readbyqxmd.com/read/29134174/associations-between-mother-s-and-children-s-moderate-to-vigorous-physical-activity-and-sedentary-time-in-the-family-context
#12
MinKyoung Song, Nathan F Dieckmann, Sydnee Stoyles, Youngwon Kim, Julie C Lumeng
The manner in which mothers' and children's moderate-to-vigorous physical activity (MVPA) and sedentary time (ST) are associated across different settings (i.e., at home versus outside of the home, on weekdays versus weekends) is not well understood. The purposes of this study were to: (Strong et al., 2005) describe associations between mothers' and children's levels of MVPA and ST, and (U.S. Department of Health and Human Services, 2008) determine how setting and mothers' and children's characteristics moderate the associations...
December 2017: Preventive Medicine Reports
https://www.readbyqxmd.com/read/29089125/particle-related-exposure-dose-and-lung-cancer-risk-of-primary-school-children-in-two-european-countries
#13
A Pacitto, L Stabile, M Viana, M Scungio, C Reche, X Querol, A Alastuey, I Rivas, M Álvarez-Pedrerol, J Sunyer, B L van Drooge, J O Grimalt, R Sozzi, P Vigo, G Buonanno
Schools represent a critical microenvironment in terms of air quality due to the proximity to outdoor particle sources and the frequent lack of proper ventilation and filtering systems. Moreover, the population exposed in schools (i.e. children) represents a susceptible population due to their age. Air quality-based studies involving students' exposure at schools are still scarce and often limited to mass-based particle metrics and may thus underestimate the possible effect of sub-micron particles and particle toxicity...
October 28, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29031119/index-analysis-and-human-health-risk-model-application-for-evaluating-ambient-air-heavy-metal-contamination-in-chemical-valley-sarnia
#14
Richard Olawoyin, Linda Schweitzer, Kuangyuan Zhang, Oladapo Okareh, Kevin Slates
The impacts of air emissions as a consequence of industrial activities around communities of human habitation have been extensively reported. This study is the first to assess potential adverse human health effects in the Chemical Valley Sarnia (CVS) area, around the St. Clair River, using health risk models, ecological and pollution indices. Large quantities of particulate matters (PM) are generated from anthropogenic activities, which contain several heavy metals in trace quantities with potentially adverse effects to humans and environmental health...
October 11, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28951086/trends-in-pneumococcal-meningitis-hospitalizations-following-the-introduction-of-the-13-valent-pneumococcal-conjugate-vaccine-in-the-united-states
#15
David M Jacobs, Francine Yung, Emily Hart, Melanie N H Nguyen, Amy Shaver
BACKGROUND: The 13-valent pneumococcal conjugate vaccine (PCV13) was introduced in 2010 in the U.S. and its impact on pneumococcal meningitis (PM) is unknown. We assessed the impact of PCV13 on PM hospitalization rates 4years after the vaccine was introduced. METHODS: This was a retrospective analysis of the National Inpatient Sample from 2008-2014. Patients with an ICD-9-CM code for PM (320.1) were identified and rates calculated using US Census data as the denominator...
October 27, 2017: Vaccine
https://www.readbyqxmd.com/read/28935614/randomized-trial-of-interventions-to-improve-childhood-asthma-in-homes-with-wood-burning-stoves
#16
RANDOMIZED CONTROLLED TRIAL
Curtis W Noonan, Erin O Semmens, Paul Smith, Solomon W Harrar, Luke Montrose, Emily Weiler, Marcy McNamara, Tony J Ward
BACKGROUND: Household air pollution due to biomass combustion for residential heating adversely affects vulnerable populations. Randomized controlled trials to improve indoor air quality in homes of children with asthma are limited, and no such studies have been conducted in homes using wood for heating. OBJECTIVES: Our aims were to test the hypothesis that household-level interventions, specifically improved-technology wood-burning appliances or air-filtration devices, would improve health measures, in particular Pediatric Asthma Quality of Life Questionnaire (PAQLQ) scores, relative to placebo, among children living with asthma in homes with wood-burning stoves...
September 13, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28870866/evaluation-of-the-effect-of-an-environmental-management-program-on-exposure-to-manganese-in-a-mining-zone-in-mexico
#17
Marlene Cortez-Lugo, Hortensia Moreno Macías, Sergio Montes, Yaneth Rodríguez Agudelo, David Hernández Bonilla, Minerva Catalán-Vázquez, Raúl Díaz Godoy, Sandra Leticia Rodríguez Dozal
BACKGROUND: In the state of Hidalgo, Mexico, is found the largest second deposit of Manganese (Mn) in Latin America. Various studies on the sources of emission, exposure, and the effects on the health of children and adults have been conducted utilizing an ecosystem approach. Given the findings of Mn levels in air and the neurocognitive effects, an Environmental Management Program (EMP) was designed and implemented with the purpose of reducing exposure to Mn of the population, including various actions for reducing Mn emissions into the atmosphere...
September 1, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28861602/episodic-future-thinking-improves-children-s-prospective-memory-performance-in-a-complex-task-setting-with-real-life-task-demands
#18
A Kretschmer-Trendowicz, K M Schnitzspahn, L Reuter, M Altgassen
Research on children's prospective memory (PM) shows an increase of performance across childhood and provides first evidence that encoding strategies such as episodic future thinking (EFT; i.e., engaging in a vivid prospection of oneself performing future tasks) may improve performance. The present study aimed at testing whether the beneficial effects of EFT extend from typical lab-based tasks to more complex tasks with real life demands. Further, it was tested whether children's ability to project themselves into different perspectives (i...
August 31, 2017: Psychological Research
https://www.readbyqxmd.com/read/28818510/breathing-mode-influence-on-craniofacial-development-and-head-posture
#19
Annel Chambi-Rocha, Maria Eugenia Cabrera-Domínguez, Antonia Domínguez-Reyes
OBJECTIVE: The incidence of abnormal breathing and its consequences on craniofacial development is increasing, and is not limited to children with adenoid faces. The objective of this study was to evaluate the cephalometric differences in craniofacial structures and head posture between nasal breathing (NB) and oral breathing (OB) children and teenagers with a normal facial growth pattern. METHOD: Ninety-eight 7-16 year-old patients with a normal facial growth pattern were clinically and radiographically evaluated...
August 14, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/28793987/testing-the-direction-of-effects-between-child-body-composition-and-restrictive-feeding-practices-results-from-a-population-based-cohort
#20
Ivonne Pm Derks, Henning Tiemeier, Eric Jg Sijbrands, Jan M Nicholson, Trudy Voortman, Frank C Verhulst, Vincent Wv Jaddoe, Pauline W Jansen
Background: Parental restrictive feeding (i.e., limiting food intake of children) has been linked to childhood overweight. However, the directionality of the causal pathway remains unknown.Objective: The objectives of this study were to examine the bidirectional association of maternal restrictive feeding with children's weight and body composition across childhood and to explore a possible mediating role of maternal concern about child weight.Design: Data were available for 4689 mother-child dyads participating in Generation R, a prospective birth cohort in the Netherlands...
September 2017: American Journal of Clinical Nutrition
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