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Noise & Health

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https://www.readbyqxmd.com/read/27991473/response-to-mccunney-et-al-wind-turbines-and-health-an-examination-of-a-proposed-case-definition
#1
LETTER
Robert Y McMurtry, Carmen M E Krogh
No abstract text is available yet for this article.
November 2016: Noise & Health
https://www.readbyqxmd.com/read/27991472/modeling-signal-to-noise-ratio-of-otoacoustic-emissions-in-workers-exposed-to-different-industrial-noise-levels
#2
Parvin Nassiri, Sajad Zare, Mohammad R Monazzam, Akram Pourbakht, Kamal Azam, Taghi Golmohammadi
INTRODUCTION: Noise is considered as the most common cause of harmful physical effects in the workplace. A sound that is generated from within the inner ear is known as an otoacoustic emission (OAE). Distortion-product otoacoustic emissions (DPOAEs) assess evoked emission and hearing capacity. The aim of this study was to assess the signal-to-noise ratio in different frequencies and at different times of the shift work in workers exposed to various levels of noise. It was also aimed to provide a statistical model for signal-to-noise ratio (SNR) of OAEs in different frequencies based on the two variables of sound pressure level (SPL) and exposure time...
November 2016: Noise & Health
https://www.readbyqxmd.com/read/27991471/cigarette-and-snus-modified-association-between-unprotected-exposure-to-noise-from-hunting-rifle-caliber-weapons-and-high-frequency-hearing-loss-a-cross-sectional-study-among-swedish-hunters
#3
Louise Honeth, Peter Ström, Alexander Ploner, Dan Bagger-Sjöbäck, Ulf Rosenhall, Olof Nyrén
AIM: To investigate in this cross-sectional study among Swedish hunters if tobacco use modifies the previously observed association, expressed as prevalence ratio (PR), between unprotected exposure to impulse noise from hunting rifle caliber (HRC) weapons and high-frequency hearing impairment (HFHI). SETTINGS AND DESIGN: A nationwide cross-sectional epidemiologic study was conducted among Swedish sport hunters in 2012. MATERIALS AND METHODS: The study was Internet-based and consisted of a questionnaire and an Internet-based audiometry test...
November 2016: Noise & Health
https://www.readbyqxmd.com/read/27991470/air-traffic-controllers-long-term-speech-in-noise-training-effects-a-control-group-study
#4
Maria T P Zaballos, Daniel P Plasencia, María L Z González, Angel R de Miguel, Ángel R Macías
INTRODUCTION: Speech perception in noise relies on the capacity of the auditory system to process complex sounds using sensory and cognitive skills. The possibility that these can be trained during adulthood is of special interest in auditory disorders, where speech in noise perception becomes compromised. Air traffic controllers (ATC) are constantly exposed to radio communication, a situation that seems to produce auditory learning. The objective of this study has been to quantify this effect...
November 2016: Noise & Health
https://www.readbyqxmd.com/read/27991469/gender-differences-in-use-of-hearing-protection-devices-among-farm-operators
#5
Marjorie C McCullagh, Tanima Banerjee, James J Yang, Janice Bernick, Sonia Duffy, Richard Redman
PURPOSE: Although farm operators have frequent exposure to hazardous noise and high rates of noise-induced hearing loss, they have low use of hearing protection devices (HPDs). Women represent about one-third of farm operators, and their numbers are climbing. However, among published studies examining use of HPDs in this worker group, none have examined gender-related differences. The purpose of this study was to examine gender-related differences in use of hearing protection and related predictors among farm operators...
November 2016: Noise & Health
https://www.readbyqxmd.com/read/27991468/arterial-indices-and-serum-cystatin-c-level-in-individuals-with-occupational-wide-band-noise-exposure
#6
Ali R Khoshdel, Benyamin Mousavi-Asl, Babak Shekarchi, Kazem Amini, Iraj Mirzaii-Dizgah
BACKGROUND: Chronic exposure to noise is known to cause a wide range of health problems including extracellular matrix (ECM) proliferation and involvement of cardiovascular system. There are a few studies to investigate noise-induced vascular changes using noninvasive methods. In this study we used carotid artery intima-media thickness (CIMT) and aortic augmentation as indices of arterial properties and cystatin C as a serum biomarker relating to ECM metabolism. MATERIALS AND METHODS: Ninety-three male participants were included in this study from aeronautic technicians: 39 with and 54 without a history of wide band noise (WBN) exposure...
November 2016: Noise & Health
https://www.readbyqxmd.com/read/27991467/the-risk-of-occupational-injury-increased-according-to-severity-of-noise-exposure-after-controlling-for-occupational-environment-status-in-korea
#7
Jin-Ha Yoon, Jaehoon Roh, Chi-Nyon Kim, Jong-Uk Won
OBJECTIVES: The aim of this study was to examine the relationship between noise exposure and risk of occupational injury. MATERIALS AND METHODS: Korean National Health and Nutrition Examination Survey was used for the current study. Self-report questionnaires were used to investigate occupational injury and exposure to noise, chemicals, and machines and equipments. RESULTS: In separate analyses for occupation and occupational hazard, the proportion of occupational injuries increased according to severity of noise exposure (all P < 0...
November 2016: Noise & Health
https://www.readbyqxmd.com/read/27991466/prevalence-of-tinnitus-and-noise-induced-hearing-loss-in-dentists
#8
Jamie Myers, Andrew B John, Suzanne Kimball, Terry Fruits
INTRODUCTION: The purpose of this study was to evaluate noise levels in dental offices and to estimate the risk and prevalence of tinnitus and noise-induced hearing loss (NIHL) in practicing dentists. MATERIALS AND METHODS: First, measures were collected of sound pressure levels produced by dental handpieces and dental suction in the University of Oklahoma Health Sciences Center (OUHSC) College of Dentistry. Second, a survey was distributed to members of the Oklahoma Dental Association (ODA)...
November 2016: Noise & Health
https://www.readbyqxmd.com/read/27991465/specific-and-combined-subjective-responses-to-noise-and-their-association-with-cardiovascular-diseases
#9
Zdenka Vandasova, Ondřej Vencálek, Vladimíra Puklová
INTRODUCTION: Noise is one of the most extensive environmental factors affecting the general population. The present study is focused on the association between discomfort caused by noise and the incidence of certain diseases (ischaemic heart disease, stroke and hypertension). MATERIALS AND METHODS: This cross-sectional questionnaire study, conducted in 10 cities in the Czech Republic, comprises two stages with 3592 obtained questionnaires in the first phase and 762 in the second phase...
November 2016: Noise & Health
https://www.readbyqxmd.com/read/27991464/tram-squealing-noise-and-its-impact-on-human-health
#10
Eva Panulinova, Slávka Harabinová, Lubica Argalášová
INTRODUCTION: Tramway has become a serious urban noise source in densely populated areas. The disturbance from squealing noise is significant. Curve squeal is the very loud, tonal noise emitted by tram operation in tight radius curves. Studies had reported a relationship between noise levels and health effects, such as annoyance, sleep disturbance, and elevated systolic and diastolic blood pressure. MATERIALS AND METHODS: This study aimed to analyze the wheel squeal noise along the tramway line in Košice, Slovakia, review the effects on human health, and discuss its inclusion in the design method...
November 2016: Noise & Health
https://www.readbyqxmd.com/read/27991463/parametric-method-for-the-noise-risk-assessment-of-professional-orchestral-musicians
#11
Matteo Bo, Marina Clerico, Federica Pognant
BACKGROUND: The Occupational Health and Safety (OH&S) literature shows that noise could represent a risk factor for professional orchestral musicians. The continuative exposition to elevated noise levels and the particular nature of the activity make necessary an "atypical" OH&S approach, which was identified to be necessarily organizational. MATERIALS AND METHODS: In this study, a parametric-based method for orchestral exposure assessment and management was developed...
November 2016: Noise & Health
https://www.readbyqxmd.com/read/27991462/application-of-the-online-hearing-screening-test-earcheck-speech-intelligibility-in-noise-in-teenagers-and-young-adults
#12
Marya Sheikh Rashid, Monique C J Leensen, Wouter A Dreschler
OBJECTIVE: The objective was to describe the speech intelligibility in noise test results among Dutch teenagers and young adults aged 12-24 years, using a national online speech reception threshold (SRT) test, the Earcheck. A secondary objective was to assess the effect of age and gender on speech intelligibility in noise. DESIGN: Cross-sectional SRT data were collected over a 5-year period (2010-2014), from participants of Earcheck. Regression analyses were performed, with SRT as the dependent variable, and age and gender as explaining variables...
November 2016: Noise & Health
https://www.readbyqxmd.com/read/27991461/the-viability-of-hearing-protection-device-fit-testing-at-navy-and-marine-corps-accession-points
#13
Jeremy Federman, Christon Duhon
INTRODUCTION: The viability of hearing protection device (HPD) verification (i.e., fit-testing) on a large scale was investigated to address this gap in a military accession environment. MATERIALS AND METHODS: Personal Attenuation Ratings (PARs) following self-fitted (SELF-Fit) HPDs were acquired from 320 US Marine Corps training recruits (87.5% male, 12.5% female) across four test protocols (1-, 3-, 5-, and 7- frequency). SELF-Fit failures received follow-up to assess potential causes...
November 2016: Noise & Health
https://www.readbyqxmd.com/read/27991460/acute-acoustic-trauma-in-the-french-armed-forces-during-2007-2014
#14
Doris R Medina-Garin, Aissata Dia, Gabriel Bedubourg, Xavier Deparis, Franck Berger, Remy Michel
CONTEXT: Despite existing preventive measures, the number of acute acoustic trauma (AAT) cases reported to the French Military Epidemiological Surveillance System (MESS) remains high. AIMS: The objective of this study was to describe AAT and the preventive measures already implemented. SUBJECTS AND METHODS: We conducted a descriptive cross-sectional analysis of AAT using data from the MESS for the period 2007-2014. In addition, we reviewed the current prevention measures that exist in the French armed forces...
November 2016: Noise & Health
https://www.readbyqxmd.com/read/27991459/early-indication-of-noise-induced-hearing-loss-from-pmp-use-in-adolescents-a-cross-sectional-analysis
#15
Diana C Colon, Ulla Verdugo-Raab, Carmelo P Alvarez, Thomas Steffens, Steven C Marcrum, Stefanie Kolb, Caroline Herr, Dorothee Twardella
CONTEXT: Distortion product otoacoustic emissions (DPOAEs) may indicate preclinical noise-induced hearing loss (NIHL) in adolescents from unsafe personal music player (PMP) use. AIMS: The objective, therefore, was to observe preclinical signs of NIHL in 9th grade adolescents with clinically normal hearing by comparing DPOAE signals between different levels of A-weighted equivalent PMP exposure. SETTINGS AND DESIGN: Subjects were recruited from all secondary-level schools located in the city of Regensburg, Germany during two academic years 2009/2010 and 2010/2011...
November 2016: Noise & Health
https://www.readbyqxmd.com/read/27991458/detection-of-auditory-signals-in-quiet-and-noisy-backgrounds-while-performing-a-visuo-spatial-task
#16
Vishakha W Rawool
CONTEXT: The ability to detect important auditory signals while performing visual tasks may be further compounded by background chatter. Thus, it is important to know how task performance may interact with background chatter to hinder signal detection. AIM: To examine any interactive effects of speech spectrum noise and task performance on the ability to detect signals. SETTINGS AND DESIGN: The setting was a sound-treated booth. A repeated measures design was used...
November 2016: Noise & Health
https://www.readbyqxmd.com/read/27762258/supporting-the-global-initiative-of-preventing-childhood-hearing-loss-act-now-here-s-how
#17
Saurabh RamBihariLal Shrivastava, Prateek Saurabh Shrivastava, Jegadeesh Ramasamy
No abstract text is available yet for this article.
September 2016: Noise & Health
https://www.readbyqxmd.com/read/27762257/soft-tissue-conduction-as-a-possible-contributor-to-the-limited-attenuation-provided-by-hearing-protection-devices
#18
Shai Chordekar, Cahtia Adelman, Haim Sohmer, Liat Kishon-Rabin
CONTEXT: Damage to the auditory system by loud sounds can be avoided by hearing protection devices (HPDs) such as earmuffs, earplugs, or both for maximum attenuation. However, the attenuation can be limited by air conduction (AC) leakage around the earplugs and earmuffs by the occlusion effect (OE) and by skull vibrations initiating bone conduction (BC). AIMS: To assess maximum attenuation by HPDs and possible flanking pathways to the inner ear. SUBJECTS AND METHODS: AC attenuation and resulting thresholds were assessed using the real ear attenuation at threshold (REAT) procedure on 15 normal-hearing participants in four free-field conditions: (a) unprotected ears, (b) ears covered with earmuffs, (c) ears blocked with deeply inserted customized earplugs, and (d) ears blocked with both earplugs and earmuffs...
September 2016: Noise & Health
https://www.readbyqxmd.com/read/27762256/occupational-noise-exposure-on-a-royal-navy-warship-during-weapon-fire
#19
Gurmail Singh Paddan
INTRODUCTION: Measurements were made of the sound pressure levels on a military ship HMS Grimsby during firing of a Heavy Machine Gun (HMG) mounted on the starboard bridge wing. The measurement positions comprised three locations on the ship's bridge (the wheelhouse) and one location on the starboard bridge wing. Equipment and Procedure: The three locations on the bridge were the starboard door, centre and port door. A total of 255 burst firings were measured during the survey comprising 850 rounds with each burst encompassing from 1 to 10 rounds...
September 2016: Noise & Health
https://www.readbyqxmd.com/read/27762255/auditory-brainstem-responses-for-click-and-ce-chirp-stimuli-in-individuals-with-and-without-occupational-noise-exposure
#20
Zeena Venkatacheluvaiah Pushpalatha, Sreeraj Konadath
INTRODUCTION: Encoding of CE-chirp and click stimuli in auditory system was studied using auditory brainstem responses (ABRs) among individuals with and without noise exposure. MATERIALS AND METHODS: The study consisted of two groups. Group 1 (experimental group) consisted of 20 (40 ears) individuals exposed to occupational noise with hearing thresholds within 25 dB HL. They were further divided into three subgroups based on duration of noise exposure (0-5 years of exposure-T1, 5-10 years of exposure-T2, and >10 years of exposure-T3)...
September 2016: Noise & Health
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