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Noise & Health

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https://www.readbyqxmd.com/read/29785976/the-study-of-attenuation-levels-and-the-comfort-of-earplugs
#1
Alessandra G Samelli, Raquel F Gomes, Tiago V Chammas, Bárbara G Silva, Renata R Moreira, Ana C Fiorini
Introduction: This study aimed to analyze and compare four different types of earplugs, divided into premolded plugs and foam plug models, in relation to the level of attenuation, comfort, and the size of the external acoustic meatus (EAM) in an attempt to identify how these variables influence the choice of specific hearing protection devices (HPDs). Materials and Methods: A cross-sectional observational study was performed in a sample of 49 participants, oriented toward the ideal placement of four HPDs, two premolded and two foam plugs (3M™)...
May 2018: Noise & Health
https://www.readbyqxmd.com/read/29785975/utility-of-otoacoustic-emissions-and-olivocochlear-reflex-in-predicting-vulnerability-to-noise-induced-inner-ear-damage
#2
Sarantis Blioskas, Miltiadis Tsalighopoulos, George Psillas, Konstantinos Markou
Aim: The aim of the present study was to explore the possible utility of otoacoustic emissions (OAEs) and efferent system strength to determine vulnerability to noise exposure in a clinical setting. Materials and Methods: The study group comprised 344 volunteers who had just begun mandatory basic training as Hellenic Corps Officers Military Academy cadets. Pure-tone audiograms were obtained on both ears. Participants were also subjected to diagnostic transient-evoked otoacoustic emissions (TEOAEs)...
May 2018: Noise & Health
https://www.readbyqxmd.com/read/29785974/railway-noise-annoyance-on-the-railway-track-in-northwest-slovakia
#3
Alzbeta Pultznerova, Panulinova Eva, Daniela Kucharova, Lubica Argalasova
Introduction: This paper describes an assessment of noise caused by railway traffic in a large high-loaded railway track in Northwest Slovakia. Materials and Methods: The measurements of noise levels generated by trains passing through residential neighborhoods were taken. Noise maps were also calculated showing noise pollution generated by the train traffic. In addition, the annoyance level and sleep disturbance of residents affected by railway noise were evaluated by a validated questionnaire on a pilot sample of 107 respondents living near the important railway track...
May 2018: Noise & Health
https://www.readbyqxmd.com/read/29785973/effect-of-systematic-desensitization-training-on-acceptable-noise-levels-in-adults-with-normal-hearing-sensitivity
#4
Arivudainambi Pitchaimuthu, Anshul Arora, Jayashree S Bhat, Vibha Kanagokar
Context: The willingness of a person to accept noise while listening to speech can be measured using the acceptable noise level (ANL) test. Individuals with poor ANL are unlikely to become successful hearing aid users. Hence, it is important to enhance the individual's ability to accept noise levels. The current study was an attempt to investigate whether systematic desensitization training can improve the ANL in individuals having high ANL. Aims: To investigate the effect of systematic desensitization training on ANLs in individuals with normal hearing sensitivity...
May 2018: Noise & Health
https://www.readbyqxmd.com/read/29785972/a-methodology-to-objectively-assess-the-performance-of-sound-field-amplification-systems-demonstrated-using-50-physical-simulations-of-classroom-conditions
#5
Stephen Dance, Bradford Backus, Lorenzo Morales
Introduction: The effect of a sound reinforcement system, in terms of speech intelligibility, has been systematically determined under realistic conditions. Different combinations of ambient and reverberant conditions representative of a classroom environment have been investigated. Materials and Methods: By comparing the measured speech transmission index metric with and without the system in the same space under different room acoustics conditions, it was possible to determine when the system was most effective...
May 2018: Noise & Health
https://www.readbyqxmd.com/read/29785971/community-noise-exposure-and-annoyance-activity-interference-and-academic-achievement-among-university-students
#6
Rattapon Onchang, Darryl W Hawker
Background: Noise annoyance and effects on academic performance have been investigated for primary and secondary school students but comparatively little work has been conducted with university students who generally spend more time in dormitories or accommodation for their self-study. Objective: To determine, using a socio-acoustic approach involving face-to-face interviews and actual noise measurements, the effect of various community noise sources on student activities in accommodation both inside and outside a university precinct and also relationships with cumulative grade point average (GPA)...
May 2018: Noise & Health
https://www.readbyqxmd.com/read/29676297/realizing-modeling-and-mapping-tools-to-study-the-upsurge-of-noise-pollution-as-a-result-of-open-cast-mining-and-transportation-activities
#7
Satish K Lokhande, Mohindra C Jain, Satyajeet A Dhawale, Rakesh Gautam, Ghanshyam L Bodhe
Introduction: In open-cast mines, noise pollution has become a serious concern due to the extreme use of heavy earth moving machinery (HEMM). Materials and Methods: This study is focused to measure and assess the effects of the existing noise levels of major operational mines in the Keonjhar, Sundergadh, and Mayurbhanj districts of Odisha, India. The transportation noise levels were also considered in this study, which was predicted using the modified Federal Highway Administration (FHWA) model...
March 2018: Noise & Health
https://www.readbyqxmd.com/read/29676296/a-profile-of-noise-sensitivity-on-the-health-related-quality-of-life-among-young-motorcyclists
#8
Anila Ali, Roslinah M Hussain, Nazri C Dom, Razi Ikhwan Md Rashid
Introduction: Motorcycle riders with noise sensitivity (NS) may suffer from degraded health-related quality of life (HRQOL) because they are exposed to acute noise levels on a daily basis. Materials and Methods: This study was aimed to identify the relationship between NS and HRQOL among young motorcycle riders (undergraduate university students) aged between 19 and 25 years (n = 301) through a cross-sectional questionnaire-based study, that is, Weinstein noise sensitivity scale and the World Health Organization Quality of Life...
March 2018: Noise & Health
https://www.readbyqxmd.com/read/29676295/effects-of-parenteral-papaverine-and-piracetam-administration-on-cochlea-following-acoustic-trauma
#9
Nurcan Yurtsever Kum, Yavuz F Yilmaz, Seren G Gurgen, Rauf O Kum, Muge Ozcan, Adnan Unal
Introduction: Noise exposure, the main cause of hearing loss in countries with lot of industries, may result both in temporary or permanent hearing loss. The goal of this study was to investigate the effects of parenteral papaverine and piracetam administration following an acoustic trauma on hearing function with histopathologic correlation. Materials and Methods: Eighteen Wistar albino rats exposed to noise for 8 h in a free environment were included. We divided the study population into three groups, and performed daily intraperitoneal injections of papaverine, piracetam, and saline, respectively, throughout the study...
March 2018: Noise & Health
https://www.readbyqxmd.com/read/29676294/noise-exposure-and-hearing-loss-in-classical-orchestra-musicians-a-five-year-follow-up
#10
Alberto Behar, Marshall Chasin, Steve Mosher, Mohammad Abdoli-Eramaki, Frank A Russo
Introduction: This study is a follow-up to prior research from our group that attempts to relate noise exposure and hearing thresholds in active performing musicians of the National Ballet of Canada Orchestra. Materials and Methods: Exposures obtained in early 2010 were compared to exposures obtained in early 2017 (the present study). In addition, audiometric thresholds obtained in early 2012 were compared to thresholds obtained in early 2017 (the present study)...
March 2018: Noise & Health
https://www.readbyqxmd.com/read/29676293/association-between-polymorphism-of-tumor-necrosis-factor-alpha-tnf%C3%AE-in-the-region-308-g-a-with-tinnitus-in-the-elderly-with-a-history-of-occupational-noise-exposure
#11
Luciana L M Marchiori, Ana C M Dias, Alyne S Gonçalvez, Regina C Poly-Frederico, Marcelo Y Doi
Context: Tinnitus is a common disorder that occurs frequently across all strata of population and has an important health concern and is often associated with different forms of the hearing loss of varying severity. Aims: To investigate the association between the polymorphism of tumor necrosis factor alpha (TNFα) in the region -308 G/A with the susceptibility to tinnitus in individuals with the history of exposure to occupational noise. Settings and Design: This was a cross-sectional study with a sample of 179 independent elderly people above 60 years of age...
March 2018: Noise & Health
https://www.readbyqxmd.com/read/29676292/the-test-retest-reliability-of-questionnaires-regarding-attitudes-and-beliefs-toward-noise-hearing-loss-and-hearing-protector-devices-in-young-adults
#12
Sofie Degeest, Leen Maes, Laura Leyssens, Hannah Keppler
Context: Young people expose themselves to high noise levels during leisure activities, and might thus be at risk of acquiring hearing-related problems. Therefore, information regarding risk-taking behavior is necessary to prevent future hearing problems and to optimize future preventive campaigns. Aim: This study evaluated the test-retest reliability of the Youth Attitude to Noise Scale (YANS) and beliefs about hearing protection and hearing loss (BAHPHL) instrument...
March 2018: Noise & Health
https://www.readbyqxmd.com/read/29457604/cathodal-neuromodulation-of-dominant-temporoparietal-cortex-with-transcranial-direct-current-stimulation-for-tinnitus-a-case-series
#13
Rohit Verma, Nand Kumar, Rakesh Kumar, Saurabh Kumar, Preethy Kathiresan
There is scant literature on the effectiveness of using transcranial direct current stimulation (tDCS) as an intervention modality for managing tinnitus. The current case series reflects the use of tDCS as an effective intervention for tinnitus while inhibiting the dominant temporoparietal cortex and simultaneous stimulating the non-dominant dorsolateral prefrontal cortex.
January 2018: Noise & Health
https://www.readbyqxmd.com/read/29457603/the-hearing-of-rural-workers-exposed-to-noise-and-pesticides
#14
Tereza R R Sena, Solano S F Dourado, Lucas V Lima, Ângelo R Antoniolli
n work environments, different physical and chemical agents that may pose a risk to workers' hearing health coexist. In this context, occupational hearing loss stands out. It has mostly been attributed to only noise exposure, although there are other agents, that is, pesticides that might contribute to occupational hearing loss. In this report, two cases will be presented that consider rural workers exposed to pesticides and intense noise generated by an adapted rudimentary vehicle. The noise measured in this vehicle was 88...
January 2018: Noise & Health
https://www.readbyqxmd.com/read/29457602/examination-of-previously-published-data-to-identify-patterns-in-the-social-representation-of-loud-music-in-young-adults-across-countries
#15
Vinaya Manchaiah, Fei Zhao, Susan Oladeji, Pierre Ratinaud
Purpose: The current study was aimed at understanding the patterns in the social representation of loud music reported by young adults in different countries. Materials and Methods: The study included a sample of 534 young adults (18-25 years) from India, Iran, Portugal, United Kingdom, and United States. Participants were recruited using a convince sampling, and data were collected using the free association task. Participants were asked to provide up to five words or phrases that come to mind when thinking about "loud music...
January 2018: Noise & Health
https://www.readbyqxmd.com/read/29457601/influences-of-combined-traffic-noise-on-the-ability-of-learning-and-memory-in-mice
#16
Guo-Qing Di, Zhao-Qi Qin
Objective: The present study aimed to evaluate the influences of combined traffic noise (CTN) on the ability of learning and memory in mice. Materials and Methods: The Institute of Cancer Research (ICR) mice were exposed to CTN from highways and high-speed railways for 42 days, whose day-night equivalent continuous A-weighted sound pressure level (Ldn ) was 70 dB(A). On the basis of behavioral reactions in Morris water maze (MWM) and the concentrations of amino acid neurotransmitters in the hippocampus, the impacts of CTN on learning and memory in mice were examined...
January 2018: Noise & Health
https://www.readbyqxmd.com/read/29457600/public-online-information-about-tinnitus-a-cross-sectional-study-of-youtube-videos
#17
Corey H Basch, Jingjing Yin, Betty Kollia, Adeyemi Adedokun, Stephanie Trusty, Felicia Yeboah, Isaac Chun-Hai Fung
Purpose: To examine the information about tinnitus contained in different video sources on YouTube. Materials and Methods: The 100 most widely viewed tinnitus videos were manually coded. Firstly, we identified the sources of upload: consumer, professional, television-based clip, and internet-based clip. Secondly, the videos were analyzed to ascertain what pertinent information they contained from a current National Institute on Deafness and Other Communication Disorders fact sheet...
January 2018: Noise & Health
https://www.readbyqxmd.com/read/29319012/using-auditory-steady-state-responses-for-measuring-hearing-protector-occlusion-effect
#18
Olivier Valentin, Frédéric Laville
INTRODUCTION: The currently available methods for measuring the occlusion effect (OE) of hearing protection devices (HPDs) have limitations. Objective microphonic measurements do not assess bone-conducted sounds directly transmitted to the cochlea. Psychophysical measurements at threshold are biased due to the low-frequency masking effects from test participants' physiological noise and the variability of measurements based on subjective responses. An auditory steady-state responses (ASSRs) procedure is used as a technique that might overcome these limitations...
November 2017: Noise & Health
https://www.readbyqxmd.com/read/29319011/association-between-community-noise-and-adiposity-in-patients-with-cardiovascular-disease
#19
Angel M Dzhambov, Penka D Gatseva, Mariya P Tokmakova, Nikolai G Zdravkov, Stefka V Vladeva, Dolina G Gencheva, Nevena G Ivanova, Krasimir I Karastanev, Emanuela V Vasileva, Aleksandar T Donchev
INTRODUCTION: This study aimed to explore the effect of community noise on body mass index (BMI) and waist circumference (WC) in patients with cardiovascular disease (CVD). MATERIALS AND METHODS: A representative sample of 132 patients from three tertiary hospitals in the city of Plovdiv, Bulgaria was collected. Anthropometric measurements were linked to global noise annoyance (GNA) based on different residential noise annoyances, day-evening-night (Lden), and nighttime (Lnight) road traffic noise exposure...
November 2017: Noise & Health
https://www.readbyqxmd.com/read/29319010/audiometric-notch-and-extended-high-frequency-hearing-threshold-shift-in-relation-to-total-leisure-noise-exposure-an-exploratory-analysis
#20
Wenjia Wei, Stefanie Heinze, Doris G Gerstner, Sandra M Walser, Dorothee Twardella, Christina Reiter, Veronika Weilnhammer, Carmelo Perez-Alvarez, Thomas Steffens, Caroline E W Herr
BACKGROUND: Studies investigating leisure noise effect on extended high frequency hearing are insufficient and they have inconsistent results. The aim of this study was to investigate if extended high-frequency hearing threshold shift is related to audiometric notch, and if total leisure noise exposure is associated with extended high-frequency hearing threshold shift. MATERIALS AND METHODS: A questionnaire of the Ohrkan cohort study was used to collect information on demographics and leisure time activities...
November 2017: Noise & Health
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