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Noise induce hearing loss

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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/29126651/effects-of-noise-exposure-on-young-adults-with-normal-audiograms-ii-behavioral-measures
#2
Garreth Prendergast, Rebecca E Millman, Hannah Guest, Kevin J Munro, Karolina Kluk, Rebecca S Dewey, Deborah A Hall, Michael G Heinz, Christopher J Plack
An estimate of lifetime noise exposure was used as the primary predictor of performance on a range of behavioral tasks: frequency and intensity difference limens, amplitude modulation detection, interaural phase discrimination, the digit triplet speech test, the co-ordinate response speech measure, an auditory localization task, a musical consonance task and a subjective report of hearing ability. One hundred and thirty-eight participants (81 females) aged 18-36 years were tested, with a wide range of self-reported noise exposure...
October 25, 2017: Hearing Research
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
#3
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/29118200/vestibular-short-latency-evoked-potential-vsep-is-abolished-by-low-frequency-noise-exposure-in-rats
#4
Courtney Elaine Stewart, Ariane C Kanicki, Richard A Altschuler, W Michael King
The vestibular system plays a critical role in detection of head movements and is essential for normal postural control. Because of their anatomical proximity to the cochlea, the otolith organs are selectively exposed to sound pressure and are at risk for noise overstimulation. Clinical reports suggest a link between noise exposure and balance problems, but the structural and physiological basis for this linkage is not well understood. The goal of this study is to determine the effects of low frequency noise (LFN), on the otolith organs by correlating changes in vestibular short latency evoked potentials, (VsEPs), with changes in saccular afferent endings following noise exposure...
November 8, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/29116045/contemporary-noise-induced-hearing-loss-nihl-prevention
#5
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/29112533/abo-blood-group-and-cochlear-status-otoacoustic-emission-markers
#6
Welen Weilu Chen, Kin Tsun Chow, Bradley McPherson
OBJECTIVES: There are an increasing number of research studies examining the effects of ABO blood group on susceptibility to disease. However, little is known regarding the potential relationship between blood group and hearing. Higher risk of noise-induced hearing loss was linked to blood group O in several occupational health studies. Based on this finding, a recent study of cochlear status was conducted with normal-hearing female participants representing equal numbers of the four blood groups in the ABO blood group system...
November 4, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/29110919/effects-of-intratympanic-dexamethasone-on-noise-induced-hearing-loss-an-experimental-study
#7
Sait Serdar Gumrukcu, İlhan Topaloglu, Ziya Salturk, Belgin Tutar, Yavuz Atar, Güler Berkiten, Ayşe Enise Göker
AIM: Aim of the study was to evaluate the effect of intratympanic steroid treatment on hearing based on oto-acoustic emission. METHODS: A total of 16 healthy female Wistar albino rats weighing were used in this study. They were divided in to 2 groups and each group was exposed to noise at 110dB for 25min to induce acoustic trauma. Intratympanic dexamethasone was administered to the middle ears of animals in the experimental group on the same day as exposure to noise...
October 27, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/29105770/pediatric-tinnitus-a-clinical-perspective
#8
Kenny H Chan, Emily L Jensen, Dexiang Gao
OBJECTIVES/HYPOTHESIS: To define the clinical features and natural history of pediatric tinnitus from a practicing otolaryngologist's perspective and formulate hypotheses therein. STUDY DESIGN: Retrospective chart review. METHODS: A retrospective chart review of the electronic medical record was undertaken. Only relevant records with a prior otolaryngology clinic visit and audiologic testing were included. Patients seen during the last 2 years of the study period were contacted and completed a questionnaire to assess change in tinnitus and quantify potential alterations in quality of life, associated symptoms, and natural history...
November 6, 2017: Laryngoscope
https://www.readbyqxmd.com/read/29081120/-role-of-green-tea-polyphenols-in-noise-induced-hearing-loss
#9
Y H Li, P S Jiang, Y W Su, Y M Liu
Objective: To investigate the role and mechanism of action of green tea polyphenols in noise-induced hearing loss. Methods: Male specific pathogen-free guinea pigs were randomly divided into normal control group with 9 guinea pigs, noise exposure group with 36 guinea pigs, and green tea polyphenol intervention group with 36 guinea pigs. Auditory brainstem response (ABR) threshold shift was examined before noise exposure and at 1, 3, 7, and 14 days of noise exposure. The surface preparation of cochlear basilar membrane was used for hair cell count and the morphology of hair cells was also observed...
August 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/29072670/-the-genetic-aspects-of-occupational-hearing-impairment
#10
V V Krasitskaya, E E Bashmakova, K G Dobretsov, N V Orlova, L A Frank
This article was designed to be the overview of the current literature publications concerning the identification of the genetic markers of susceptibility to the noise-induced loss of hearing. The analysis of these data has demonstrated that the major gene polymorphisms associated with the development of this pathological condition are localized in the genes encoding for the antioxidant systems, potassium homeostasis, and adhesion molecules as well as in the genes involved in intercellular coupling, the mechanisms underlying the cellular response to stress, activation and regulation of heat shock proteins, and signaling function of the immune system...
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/29058570/occupational-noise-exposure-and-hearing-defects-among-sawmill-workers-in-the-south-of-thailand
#11
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/29049619/field-monitoring-of-otoacoustic-emissions-during-noise-exposure-pilot-study-in-controlled-environment
#12
Vincent Nadon, Annelies Bockstael, Dick Botteldooren, Jérémie Voix
Purpose: In spite of all the efforts to implement workplace hearing conservation programs, noise-induced hearing loss remains the leading cause of disability for North American workers. Nonetheless, an individual's susceptibility to noise-induced hearing loss can be estimated by monitoring changes in hearing status in relation to the level of ambient noise exposure. The purpose of this study was to validate an approach that could improve workplace hearing conservation practices. The approach was developed using a portable and robust system designed for noisy environments and consisted of taking continuous measurements with high temporal resolution of the health status of the inner ear using otoacoustic emissions (OAEs)...
October 12, 2017: American Journal of Audiology
https://www.readbyqxmd.com/read/29042071/influence-of-ginkgo-biloba-extract-egb-761-on-expression-of-il-1-beta-il-6-tnf-alfa-hsp-70-hsf-1-and-cox-2-after-noise-exposure-in-the-rat-cochlea
#13
Remzi Dogan, Alev Pektas Sjostrand, Alper Yenıgun, Ersin Karatas, Abdurrahim Kocyigit, Orhan Ozturan
OBJECTIVE: The objective of this study was to investigate the influence of Ginkgo Biloba in early treatment of noise induced hearing loss on expression of IL-6, IL-1 Beta, TNF-alfa, HSP-70, HSF-1 and COX-2 in the rat cochlea. METHODS: Thirty two female rats were randomly divided into four groups (Acoustic Trauma, Ginkgo Biloba, Acoustic Trauma+Ginkgo Biloba, Non Treatment). Auditory brainstem response (ABR) was applied in all the groups. At the end of the study, IL-1Beta, IL-6, TNF-alpha, HSP-70, HSF-1 and COX-2 were studied in cochlear tissue with ELISA and Western blot analysis...
October 14, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/29026263/effects-of-recreational-noise-on-threshold-and-suprathreshold-measures-of-auditory-function
#14
REVIEW
Angela N C Fulbright, Colleen G Le Prell, Scott K Griffiths, Edward Lobarinas
Noise exposure that causes a temporary threshold shift but no permanent threshold shift can cause degeneration of synaptic ribbons and afferent nerve fibers, with a corresponding reduction in wave I amplitude of the auditory brainstem response (ABR) in animals. This form of underlying damage, hypothesized to also occur in humans, has been termed synaptopathy , and it has been hypothesized that there will be a hidden hearing loss consisting of functional deficits at suprathreshold stimulus levels. This study assessed whether recreational noise exposure history was associated with smaller ABR wave I amplitude and poorer performance on suprathreshold auditory test measures...
November 2017: Seminars in Hearing
https://www.readbyqxmd.com/read/29026262/personal-listening-devices-in-australia-patterns-of-use-and-levels-of-risk
#15
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
#16
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/29022419/speech-evoked-auditory-brainstem-response-with-ipsilateral-noise-in-adults-with-unilateral-hearing-loss
#17
Nihal Mohamed Abd El-Ghaffar, Amani Mohamed El-Gharib, Enaas A Kolkaila, Trandil Hassan Elmahallawy
INTRODUCTION: Subjects with unilateral hearing loss (UHL) report difficulties in speech understanding in noise. Speech-evoked auditory brainstem response (S-ABR) provides cues for temporal and spectral encoding of speech in the brainstem. S-ABR recording in noise increases its sensitivity in evaluating the auditory processing and related disorders. OBJECTIVES: Study speech encoding at the level of brainstem when the auditory system relies on one ear and to study the effect of noise on this encoding...
October 12, 2017: Acta Oto-laryngologica
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
#18
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
#19
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/28984687/chemical-induced-hearing-loss-in-shipyard-workers
#20
Nicholas Cody Schaal, Jeremy M Slagley, Cynthia McCormick Richburg, Majed M Zreiqat, Helmut W Paschold
OBJECTIVE: Determine the effect of lead, cadmium, arsenic, toluene, and xylene exposure on hearing compared to noise exposures alone. METHODS: Personnel at a shipyard (n = 1266) were divided into four exposure groups based on concentrations: low metals/low solvents/high noise (reference group), high metals/high solvents/low noise, high metals/low solvents/high noise, and high metals/high solvents/high noise. Hearing changes occurring from the years 2004-2015 were analyzed...
October 4, 2017: Journal of Occupational and Environmental Medicine
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