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https://www.readbyqxmd.com/read/29145455/association-of-polymorphisms-in-heat-shock-protein-70-genes-with-the-susceptibility-to-noise-induced-hearing-loss-a-meta-analysis
#1
Shimin Zong, Xue Zeng, Tianyi Liu, Fangmin Wan, Pan Luo, Hongjun Xiao
BACKGROUND: Several case-control studies reported the relationship between single nucleotide polymorphisms (SNPs) in HSP70 genes and noise-induced hearing loss (NIHL). However, their conclusions are conflicting. This meta-analysis aims to identify the association of HSP70 variants and NIHL susceptibility. METHOD: A systematical literature search was performed in PubMed, Web of Science, EMBASE, and Wanfang Chinese database. The pooled odds radio (OR), 95% confidence interval (CI) and p value were calculated in fixed- or random-effects model according to the I2 value in the heterogeneity test...
2017: PloS One
https://www.readbyqxmd.com/read/29119679/noise-induced-hearing-loss-an-examination-of-the-methods-of-assessment-in-a-cross-sectional-study-of-87-industrial-workers
#2
Sudip Das, Michael Mulheran, Melanie Brewster, Anil R Banerjee
OBJECTIVES: The surveillance of noise-induced hearing loss (NIHL) according to the Health & Safety Executive (HSE) differs from the medico-legal criteria used to assess NIHL. Our study compares the two systems and proposes a novel method of simplifying the medico-legal criteria and applying it to ascertain noise-induced hearing loss. DESIGN: The anonymised audiograms of a group of 87 industrial workers from a single site were analysed with both methods. RESULTS: The comparison showed approximately one-third of the workers assessed in this study had their noise-induced hearing loss underestimated by the HSE criteria...
November 9, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/29116045/contemporary-noise-induced-hearing-loss-nihl-prevention
#3
Wiesław Sułkowski, Kalina Owczarek, Jurek Olszewski
Hearing impairment caused by noise, traditionally called - depending on the duration of exposure - acute or chronic acoustic trauma, includes, in addition to presbyacusis, the most common adult population of hearing impaired. In Poland - according to the report of the Central Statistical Office (GUS, 2011), the number of workers employed in NDN exceeded the noise level (85 dB) is about 200 thousand, the highest in the mining, metal and metal products production, textiles and wood production. According to the Regulation of the Council of Ministers of on June 30, 2009, on the list of occupational diseases (Journal of Laws No...
August 31, 2017: Otolaryngologia Polska
https://www.readbyqxmd.com/read/29058570/occupational-noise-exposure-and-hearing-defects-among-sawmill-workers-in-the-south-of-thailand
#4
Phayong Thepaksorn, Akio Koizumi, Kouji Harada, Wattasit Siriwong, Richard L Neitzel
The aim of this study was to investigate occupational noise exposure and hearing defects among sawmill workers in the South of Thailand. Seven hundred sawmill workers participated, of which 335 (47.9%) were male. The mean age of the sawmill workers was 33.5 years old (SD = 10.2), and more than 60% were <35 years old. 75.1% of the workers had less than 5 years of work experience. Only about one in four workers (25%) had been trained on use of personal protective equipment (PPE), and half of participants never or rarely wore PPEs while working...
October 23, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
https://www.readbyqxmd.com/read/29026262/personal-listening-devices-in-australia-patterns-of-use-and-levels-of-risk
#5
REVIEW
Megan Gilliver, Jenny Nguyen, Elizabeth F Beach, Caitlin Barr
Personal listening devices (PLDs) have the potential to increase the risk of noise-induced hearing loss (NIHL) for users. The present study aimed to investigate the nature and extent of the risk posed, by describing the user profile of a PLD population, identifying listening habits of that population, and examining whether PLD risk status is associated with hearing damage. A sample of 4,185 Australian PLD users completed an online survey about listening behaviors and hearing health. Listeners were characterized as low, high, or very high-risk based on daily noise dose estimates calculated from self-reported listening volume and durations...
November 2017: Seminars in Hearing
https://www.readbyqxmd.com/read/29026261/prevention-of-noise-induced-hearing-loss-from-recreational-firearms
#6
REVIEW
Deanna K Meinke, Donald S Finan, Gregory A Flamme, William J Murphy, Michael Stewart, James E Lankford, Stephen Tasko
In the United States and other parts of the world, recreational firearm shooting is a popular sport that puts the hearing of the shooter at risk. Peak sound pressure levels (SPLs) from firearms range from ∼140 to 175 dB. The majority of recreational firearms (excluding small-caliber 0.17 and 0.22 rifles and air rifles) generate between 150 and 165 dB peak SPLs. High-intensity impulse sounds will permanently damage delicate cochlear structures, and thus individuals who shoot firearms are at a higher risk of bilateral, high-frequency, noise-induced hearing loss (NIHL) than peer groups who do not shoot...
November 2017: Seminars in Hearing
https://www.readbyqxmd.com/read/29022413/moderate-o3-o2-therapy-enhances-enzymatic-and-non-enzymatic-antioxidant-in-brain-and-cochlear-that-protects-noise-induced-hearing-loss
#7
Parvaneh Nasezadeh, Farshad Shahi, Mohammadjavad Fridoni, Enayatollah Seydi, Morteza Izadi, Ahmad Salimi
Mitochondrial damage and oxidative stress are known to contribute to the pathogenesis of noise-induced hearing loss (NIHL). In this study, we examined the protective effect of O2/O3 mixture (ozone/oxygen) therapy against mitochondrial induced damage and oxidative stress by noise exposure in rat brain and cochlear. For this purpose, rats were divided into four groups: 1 - control group; 2 - noise-exposed group (100 dB); 3 - noise + O2/O3, and 4 - O2/O3 (30 µg/ml). After 14 d, animals were anesthetised...
October 2017: Free Radical Research
https://www.readbyqxmd.com/read/28988263/reducing-risk-of-noise-induced-hearing-loss-in-collegiate-music-ensembles-using-ambient-technology
#8
Jason Powell, Kris Chesky
Student musicians are at risk for noise-induced hearing loss (NIHL) as they develop skills and perform during instructional activities. Studies using longitudinal dosimeter data show that pedagogical procedures and instructor behaviors are highly predictive of NIHL risk, thus implying the need for innovative approaches to increase instructor competency in managing instructional activities without interfering with artistic and academic freedom. Ambient information systems, an emerging trend in human-computer interaction that infuses psychological behavioral theories into technologies, can help construct informative risk-regulating systems...
September 2017: Medical Problems of Performing Artists
https://www.readbyqxmd.com/read/28951212/macrophage-recruitment-but-not-interleukin-1-beta-activation-enhances-noise-induced-hearing-damage
#9
Yu Mizushima, Chisato Fujimoto, Akinori Kashio, Kenji Kondo, Tatsuya Yamasoba
It has been suggested that macrophages or inflammatory monocytes participate in the pathology of noise-induced hearing loss (NIHL), but it is unclear how extensively these cells contribute to the development of temporary and/or permanent NIHL. To address this question, we used clodronate liposomes to deplete macrophages and monocytes. After clodronate liposome injection, mice were exposed to 4-kHz octave band noise at 121 dB for 4 h. Compared to vehicle-injected controls, clodronate-treated mice exhibited significantly reduced permanent threshold shifts at 4 and 8 kHz and significantly smaller outer hair cell losses in the lower-apical cochlear turn...
November 18, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28937016/impact-of-usage-of-personal-music-systems-on-oto-acoustic-emissions-among-medical-students
#10
Prasanth G Narahari, Jayashree Bhat, Arivudai Nambi, Anshul Arora
BACKGROUND: Intact hearing is essential for medical students and physicians for communicating with patients and appreciating internal sounds with a stethoscope. With the increased use of (PMSs), they are exposed to high sound levels and are at a risk of developing hearing loss. The effect of long term personal music system (PMS) usage on auditory sensitivity has been well established. Our study has reported the immediate and short term effect of PMS usage on hearing especially among medical professionals...
September 2017: Noise & Health
https://www.readbyqxmd.com/read/28937014/sex-bias-in-basic-and-preclinical-noise-induced-hearing-loss-research
#11
Amanda Marie Lauer, Katrina Marie Schrode
INTRODUCTION: Sex differences in brain biochemistry, physiology, structure, and function have been gaining increasing attention in the scientific community. Males and females can have different responses to medications, diseases, and environmental variables. A small number of the approximately 7500 studies of noise-induced hearing loss (NIHL) have identified sex differences, but the mechanisms and characterization of these differences have not been thoroughly studied. The National Institutes of Health (NIH) issued a mandate in 2015 to include sex as a biological variable in all NIH-funded research beginning in January 2016...
September 2017: Noise & Health
https://www.readbyqxmd.com/read/28928030/the-histone-deacetylase-inhibitor-sodium-butyrate-protects-against-noise-induced-hearing-loss-in-guinea-pigs
#12
Deng-Hua Yang, Jing Xie, Ke Liu, Zhe Peng, Jing-Ying Guo, Shu-Kui Yu, Guo-Peng Wang, Shu-Sheng Gong
Noise-induced hearing loss (NIHL) severely impacts the quality of life of affected individuals. Oxidative stress resulting from noise exposure is a significant cause of NIHL. Although histone deacetylase (HDAC) inhibitors were shown to protect against NIHL, the underlying mechanism remains unclear, and it is not known how they act on noise-induced oxidative stress. In the current study, we investigated the expression levels of acetyl-histone H3 (Lys9) (H3-AcK9), histone deacetylase 1 (HDAC1), and 3-nitrotyrosine (3-NT), an oxidative stress marker, in a guinea pig model of NIHL using immunohistology and Western blotting...
November 1, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28918463/apoptotic-mechanisms-after-repeated-noise-trauma-in-the-mouse-medial-geniculate-body-and-primary-auditory-cortex
#13
Felix Fröhlich, Arne Ernst, Ira Strübing, Dietmar Basta, Moritz Gröschel
A correlation between noise-induced apoptosis and cell loss has previously been shown after a single noise exposure in the cochlear nucleus, inferior colliculus, medial geniculate body (MGB) and primary auditory cortex (AI). However, repeated noise exposure is the most common situation in humans and a major risk factor for the induction of noise-induced hearing loss (NIHL). The present investigation measured cell death pathways using terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) in the dorsal, medial and ventral MGB (dMGB, mMGB and vMGB) and six layers of the AI (AI-1 to AI-6) in mice (NMRI strain) after a second noise exposure (double-exposure group)...
December 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28906242/safe-use-of-acoustic-vestibular-evoked-myogenic-potential-stimuli-protocol-and-patient-specific-considerations
#14
Cory D F Portnuff, Samantha Kleindienst, Jamie M Bogle
BACKGROUND: Vestibular-evoked myogenic potentials (VEMPs) are commonly used clinical assessments for patients with complaints of dizziness. However, relatively high air-conducted stimuli are required to elicit the VEMP, and ultimately may compromise safe noise exposure limits. Recently, research has reported the potential for noise-induced hearing loss (NIHL) from VEMP stimulus exposure through studies of reduced otoacoustic emission levels after VEMP testing, as well as a recent case study showing permanent sensorineural hearing loss associated with VEMP exposure...
September 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28885581/work-related-noise-exposure-in-a-cohort-of-patients-with-chronic-tinnitus-analysis-of-demographic-and-audiological-characteristics
#15
Massimo Ralli, Maria Paola Balla, Antonio Greco, Giancarlo Altissimi, Pasquale Ricci, Rosaria Turchetta, Armando de Virgilio, Marco de Vincentiis, Serafino Ricci, Giancarlo Cianfrone
Work-related noise exposure is one of the major factors contributing to the development of adult-onset hearing loss and tinnitus. The aim of this study was to analyze, in patients with chronic tinnitus and long-term occupational noise exposure, (A) characteristics of hearing loss, tinnitus, comorbidities, demographic characteristics and a history of work-related noise exposure and (B) differences among individuals employed in occupations with high and low risk of developing work-related noise-induced hearing loss (NIHL)...
September 8, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28747011/bioconversion-of-scutellaria-baicalensis-extract-can-increase-recovery-of-auditory-function-in-a-mouse-model-of-noise-induced-hearing-loss
#16
Isabel Rodriguez, Bin Na Hong, Youn Hee Nam, Eun Young Kim, Geun Ha Park, Min Gun Ji, Tong Ho Kang
In noise-induced hearing loss (NIHL), noise exposure damages cochlear sensory hair cells, which lack the capacity to regenerate. Following noise insult, intense metabolic activity occurs, resulting in a cochlear free radical imbalance. Oxidative stress and antioxidant enzyme alterations, including lipoxygenase upregulation, have been linked to chronic inflammation, which contributes to hearing impairment. We previously proposed Scutellaria baicalensis (SB) extract as an alternative therapeutic for preventing NIHL and attributed its pharmacological effects to baicalein...
September 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738811/associations-of-genetic-variation-in-casp3-gene-with-noise-induced-hearing-loss-in-a-chinese-population-a-case-control-study
#17
Yinyin Wu, Juntao Ni, Mingjian Qi, Chengjian Cao, Yuxian Shao, Liangwen Xu, Haiyan Ma, Lei Yang
BACKGROUND: Noise-induced hearing loss (NIHL) is a complex disease caused by environmental and genetic risk factors. This study explored the relationship between the genetic variations in the CASP gene and the risk of developing NIHL among Chinese workers exposed to occupational noise. METHODS: A case-control study of 272 NIHL workers and 272 normal-hearing workers matched for age, sex and years of noise exposure was conducted. Fifteen single-nucleotide polymorphisms (SNP) in the CASP1, CASP3, CASP4, CASP5, CASP6, CASP8, CASP9, CASP10 and CASP14 genes were genotyped using the polymerase chain reaction-ligase detection reaction method...
July 24, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28649954/in-vitro-validation-of-coronary-ct-angiography-for-the-evaluation-of-complex-lesions
#18
Carlos Collet, Yoshinobu Onuma, Maik J Grundeken, Yosuke Miyazaki, Marcio Bittercourt, Pieter Kitslaar, Sadako Motoyama, Yukio Ozaki, Taku Asano, Jolanda J Wentzel, Geert J Streekstra, Patrick W Serruys, Robbert J de Winter, Nihls Planken
AIMS: To assess in vitro the diagnostic accuracy of computed tomography angiography (CTA) for the evaluation of complex coronary lesions. METHODS AND RESULTS: Five Plexiglas phantoms with three bifurcations lesions each were designed to mimic the anatomic variations and fractal phenomenon of the coronary tree. In addition, luminal stenosis were scaled up with increases of 10%. A third generation dual-source computed tomography was used. Automated quantitative CTA analysis was performed...
June 27, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28635495/analysis-of-audiometric-notch-as-a-noise-induced-hearing-loss-phenotype-in-us-youth-data-from-the-national-health-and-nutrition-examination-survey-2005-2010
#19
Ishan S Bhatt, O'neil Guthrie
OBJECTIVE: Bilateral audiometric notch (BN) at 4000-6000 Hz was identified as a noise-induced hearing loss (NIHL) phenotype for genetic association analysis in college-aged musicians. This study analysed BN in a sample of US youth. DESIGN: Prevalence of the BN within the study sample was determined and logistic-regression analyses were performed to identify audiologic and other demographic factors associated with BN. Computer-simulated "flat" audiograms were used to estimate potential influence of false-positive rates in estimating the prevalence of the BN...
February 8, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28549396/molecular-mechanisms-underlying-the-protective-effects-of-hydrogen-saturated-saline-on-noise-induced-hearing-loss
#20
Liwei Chen, Mingkun Han, Yan Lu, Daishi Chen, Xuejun Sun, Shiming Yang, Wei Sun, Ning Yu, Suoqiang Zhai
OBJECTIVES: This study aimed to explore the molecular mechanism of the protective effects of hydrogen-saturated saline on NIHL. METHODS: Guinea pigs were divided into three groups: hydrogen-saturated saline; normal saline; and control. For saline administration, the guinea pigs were given daily abdominal injections 3 d before and 1 h before noise exposure. ABR were tested to examine cochlear physiology changes. The changes of 8-hydroxy-desoxyguanosine (8-HOdG), interleukin-1 (IL-1), interleukin-6 (IL-6), interleukin-10 (IL-10), tumor necrosis factor-α (TNF-α), intercellular cell adhesion molecule-1 (ICAM-1) and high mobility group box-1 protein (HMGB1) in the cochlea were also examined...
October 2017: Acta Oto-laryngologica
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