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Noise induce hearing loss

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https://www.readbyqxmd.com/read/28441318/retraction-yu-et-al-low-iron-diet-increases-susceptibility-to-noise-induced-hearing-loss-in-young-rats-nutrients-2016-8-456
#1
Nutrients Editorial Office
The Nutrients Editorial Office has recently been made aware that the figures in the title paper [1] are taken from the same micrographs as those of other papers by the same authors [...].
April 25, 2017: Nutrients
https://www.readbyqxmd.com/read/28432353/severe-hearing-loss-and-outer-hair-cell-death-in-homozygous-foxo3-knockout-mice-after-moderate-noise-exposure
#2
Felicia Gilels, Stephen T Paquette, Holly J Beaulac, Anwen Bullen, Patricia M White
Noise induced hearing loss (NIHL) is a disease that affects millions of Americans. Identifying genetic pathways that influence recovery from noise exposure is an important step forward in understanding NIHL. The transcription factor Foxo3 integrates the cellular response to oxidative stress and plays a role in extending lifespan in many organisms, including humans. Here we show that Foxo3 is required for auditory function after noise exposure in a mouse model system, measured by ABR. Absent Foxo3, outer hair cells are lost throughout the middle and higher frequencies...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28431308/hyperexcitability-of-inferior-colliculus-and-acoustic-startle-reflex-with-age-related-hearing-loss
#3
Binbin Xiong, Ana'am Alkharabsheh, Senthilvelan Manohar, Guang-Di Chen, Ning Yu, Xiaoming Zhao, Richard Salvi, Wei Sun
Chronic tinnitus and hyperacusis often develop with age-related hearing loss presumably due to aberrant neural activity in the central auditory system (CAS) induced by cochlear pathologies. However, the full spectrum of physiological changes that occur in the CAS as a result age-related hearing loss are still poorly understood. To address this issue, neurophysiological measures were obtained from the cochlea and the inferior colliculus (IC) of 2, 6 and 12 month old C57BL/6J mice, a mouse model for early age-related hearing loss...
March 27, 2017: Hearing Research
https://www.readbyqxmd.com/read/28422611/predictors-of-hearing-protection-use-among-industrial-workers
#4
Kunlayanee Tantranont, Nuntanat Codchanak
Promoting the use of hearing protection devices (HPDs) can prevent noise-induced hearing loss (NIHL) among workers who are exposed to excessive noise. In the present study, the authors examine factors that may explain HPD use among industrial workers from 15 manufacturing plants in Thailand. Participants consisted of 268 randomly selected workers exposed to harmful noise levels for which routine HPD use was required. Logistic regression analysis of study variables revealed the most powerful predictors of HPD use were perceived hearing status ( b = 0...
April 1, 2017: Workplace Health & Safety
https://www.readbyqxmd.com/read/28420774/preventing-noise-induced-hearing-loss
#5
Julia Doswell Royster
Noise-induced hearing loss (NIHL) is second only to presbycusis, age-related hearing loss, as a cause of hearing impairment; yet, it is preventable. This commentary summarizes the effects of noise on hearing, relevant workplace regulations, and ways to minimize excessive noise's deleterious impact on individuals' quality of life on and off the job.
March 2017: North Carolina Medical Journal
https://www.readbyqxmd.com/read/28418325/variation-in-music-player-listening-level-as-a-function-of-campus-location
#6
Yunea Park, Diana Guercio, Victoria Ledon, Colleen G Le Prell
BACKGROUND: There has been significant discussion in the literature regarding music player use by adolescents and young adults, including whether device use is driving an increase in hearing loss in these populations. While many studies report relatively safe preferred listening levels, some studies with college student participants have reported listening habits that may put individuals at risk for noise-induced hearing loss (NIHL) if those listening habits continue over the long term...
April 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28397520/perceptions-of-public-primary-school-teachers-regarding-noise-induced-hearing-loss-in-south-africa
#7
Katerina Ehlert
BACKGROUND: Noise-induced hearing loss (NIHL) is an increasingly growing problem in young children. This is attributed to recreational noise being the most common cause of this problem. In young children, hearing problems can delay language development and reduce academic achievements. South Africa, in particular, has limited information and protective measures regarding the conservation of hearing in school-aged children. OBJECTIVES: The main aim of the study was to determine the perception of primary school teachers regarding NIHL...
March 28, 2017: South African Journal of Communication Disorders. die Suid-Afrikaanse Tydskrif Vir Kommunikasieafwykings
https://www.readbyqxmd.com/read/28394667/differences-between-acoustic-trauma-and-other-types-of-acute-noise-induced-hearing-loss-in-terms-of-treatment-and-hearing-prognosis
#8
Tetsuro Wada, Hajime Sano, Shin-Ya Nishio, Ryosuke Kitoh, Tetsuo Ikezono, Satoshi Iwasaki, Kimitaka Kaga, Atsushi Matsubara, Tatsuo Matsunaga, Takaaki Murata, Yasushi Naito, Mikio Suzuki, Haruo Takahashi, Testuya Tono, Hiroshi Yamashita, Akira Hara, Shin-Ichi Usami
OBJECTIVES: To evaluate the differences between acoustic trauma (AT) and other types of acute noise-induced hearing loss (ANIHL), we performed a literature search and case reviews. METHODS: The literature search based on online databases was completed in September 2016. Articles on ANIHL and steroid treatment for human subjects were reviewed. The source sounds and treatment sequelae of our accumulated cases were also reviewed. Hearing loss caused by gun-shots and explosions was categorized into the AT group, while hearing loss caused by concerts and other noises was categorized into the ANIHL group...
April 10, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28372133/a-review-of-the-history-development-and-application-of-auditory-weighting-functions-in-humans-and-marine-mammals
#9
Dorian S Houser, William Yost, Robert Burkard, James J Finneran, Colleen Reichmuth, Jason Mulsow
This document reviews the history, development, and use of auditory weighting functions for noise impact assessment in humans and marine mammals. Advances from the modern era of electroacoustics, psychophysical studies of loudness, and other related hearing studies are reviewed with respect to the development and application of human auditory weighting functions, particularly A-weighting. The use of auditory weighting functions to assess the effects of environmental noise on humans-such as hearing damage-risk criteria-are presented, as well as lower-level effects such as annoyance and masking...
March 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28372082/big-brown-bats-eptesicus-fuscus-maintain-hearing-sensitivity-after-exposure-to-intense-band-limited-noise
#10
Andrea Megela Simmons, Kelsey N Hom, James A Simmons
Thresholds to short-duration narrowband frequency-modulated (FM) sweeps were measured in six big brown bats (Eptesicus fuscus) in a two-alternative forced choice passive listening task before and after exposure to band-limited noise (lower and upper frequencies between 10 and 50 kHz, 1 h, 116-119 dB sound pressure level root mean square; sound exposure level 152 dB). At recovery time points of 2 and 5 min post-exposure, thresholds varied from -4 to +4 dB from pre-exposure threshold estimates. Thresholds after sham (control) exposures varied from -6 to +2 dB from pre-exposure estimates...
March 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28366808/calpain-inhibitor-alleviates-permanent-hearing-loss-induced-by-intense-noise-by-preventing-disruption-of-gap-junction-mediated-intercellular-communication-in-the-cochlear-spiral-ligament
#11
Taro Yamaguchi, Masanori Yoneyama, Kiyokazu Ogita
Our previous studies demonstrated that intense noise-induced hearing loss might be at least in part due to an oxidative stress-induced decrease in the level of gap junction-composing protein connexins in the spiral ligament (SL) of the cochlear lateral wall structures in mice. Further, an in vivo exposure of mice to intense noise activates calpain in the cochlear SL. Based on these studies, we sought to determine whether a calpain inhibitor would prevent an intense noise exposure from causing hearing loss, disruption of gap junction-mediated intercellular communication (GJIC) in the SL...
May 15, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28332425/statistical-tool-to-detect-small-hearing-threshold-shifts
#12
Tron Vedul Tronstad
OBJECTIVE: The aim of this study is to present a new tool that can be used in the prevention of noise-induced hearing loss. Even in most countries where noise levels are well regulated, many workers are still exposed to high levels of noise and suffer from permanent threshold shifts. It is necessary to develop a new strategy to prevent such damage. METHOD: A statistical process control (SPC) scheme is presented that is able to detect both large and small hearing threshold shifts...
March 23, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28330550/-the-type-of-traumatic-sensorineural-hearing-loss-affects-diagnostic-and-medico-legal-assessment
#13
Steen Gimsing
Traumatic sensorineural hearing loss (TSHN) is mostly a high-frequency loss resembling noise-induced hearing loss (NIHL). However, approx. 25% of TSHN audiograms differ from NIHL in being of the slope, flat or low-frequency type. The physical properties of the trauma influence the audiogram shape, and the great individual variation of susceptibility to TSHN indicates the importance of genetic factors as well. As TSHN, like NIHL, predominantly is of a metabolic rather than a mechanical nature, its magnitude and configuration may change considerably during the first weeks after the causative incident...
March 20, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28328494/hearing-aid-technology-for-the-21st-century-a-proposal-for-universal-wireless-connectivity-and-improved-sound-quality
#14
REVIEW
Richard Einhorn
Approximately 360 million people in the world live with a debilitating hearing loss. The most common conditions-age-related and noise-induced sensorineural hearing loss-are both progressive and, for the foreseeable future, neither curable nor reversible.
March 2017: IEEE Pulse
https://www.readbyqxmd.com/read/28306650/cochlear-transcriptome-following-acoustic-trauma-and-dexamethasone-administration-identified-by-a-combination-of-rna-seq-and-dna-microarray
#15
Yukihide Maeda, Ryotaro Omichi, Akiko Sugaya, Shin Kariya, Kazunori Nishizaki
AIM: To elucidate molecular mechanisms of noise-induced hearing loss (NIHL) and glucocorticoid therapy in the cochlea. BACKGROUND: Glucocorticoids are used to treat many forms of acute sensorineural hearing loss, but their molecular action in the cochlea remains poorly understood. METHODS: Dexamethasone was administered intraperitoneally immediately following acoustic overstimulation at 120 dB SPL for 2 hours to mice. The whole cochlear transcriptome was analyzed 12 and 24 hours following noise trauma and dexamethasone administration by both next-generation sequencing (RNA-seq) and DNA microarray...
March 16, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28292353/the-effect-of-pcdh15-gene-variations-on-the-risk-of-noise-induced-hearing-loss-in-a-chinese-population
#16
Xiang Rong Xu, Jing Jing Wang, Qiu Yue Yang, Jie Jiao, Li Hua He, Shan Fa Yu, Gui Zhen Gu, Guo Shun Chen, Wen Hui Zhou, Hui Wu, Yan Hong Li, Huan Ling Zhang, Zeng Rui Zhang, Xian Ning Jin
Noise-induced hearing loss (NIHL) is a complex disease caused by interactions between environmental and genetic factors. This study investigated whether genetic variability in protocadherin related 15 (PCDH15) underlies an increased susceptibility to the development of NIHL in a Chinese population. The results showed that compared with the TT genotype of rs11004085, CT/CC genotypes were associated with an increased risk of NIHL [adjusted odds ratio (OR) = 2.64; 95% confidence interval (CI): 1.14-6.11, P = 0...
February 2017: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/28286099/tinnitus-and-hyperacusis-contributions-of-paraflocculus-reticular-formation-and-stress
#17
Yu-Chen Chen, Guang-Di Chen, Benjamin D Auerbach, Senthilvelan Manohar, Kelly Radziwon, Richard Salvi
Tinnitus and hyperacusis are common and potentially serious hearing disorders associated with noise-, age- or drug-induced hearing loss. Accumulating evidence suggests that tinnitus and hyperacusis are linked to excessive neural activity in a distributed brain network that not only includes the central auditory pathway, but also brain regions involved in arousal, emotion, stress and motor control. Here we examine electrophysiological changes in two novel non-auditory areas implicated in tinnitus and hyperacusis: the caudal pontine reticular nucleus (PnC), involved in arousal, and the paraflocculus lobe of the cerebellum (PFL), implicated in head-eye coordination and gating tinnitus and we measure the changes in corticosterone stress hormone levels...
March 7, 2017: Hearing Research
https://www.readbyqxmd.com/read/28280462/the-role-of-glia-in-the-peripheral-and-central-auditory-system-following-noise-overexposure-contribution-of-tnf-%C3%AE-and-il-1%C3%AE-to-the-pathogenesis-of-hearing-loss
#18
Verónica Fuentes-Santamaría, Juan Carlos Alvarado, Pedro Melgar-Rojas, María C Gabaldón-Ull, Josef M Miller, José M Juiz
Repeated noise exposure induces inflammation and cellular adaptations in the peripheral and central auditory system resulting in pathophysiology of hearing loss. In this study, we analyzed the mechanisms by which noise-induced inflammatory-related events in the cochlea activate glial-mediated cellular responses in the cochlear nucleus (CN), the first relay station of the auditory pathway. The auditory function, glial activation, modifications in gene expression and protein levels of inflammatory mediators and ultrastructural changes in glial-neuronal interactions were assessed in rats exposed to broadband noise (0...
2017: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/28260833/development-of-noise-controls-for-longwall-shearer-cutting-drums
#19
Hugo E Camargo, Amanda S Azman, Lynn Alcorn
Noise-induced hearing loss is the second most pervasive disease in the mining industry. The exposure of miners to noise levels above the permissible exposure level results in hearing loss of approximately 80% of coal miners by retirement age. In addition, between 2002 and 2011, approximately 48% of longwall shearer operators were overexposed in coal mines in the United States. Previous research identified the two rotating cutting drums used by the longwall shearer to extract coal as the most significant sound-radiating components...
September 1, 2016: Noise Control Engineering Journal
https://www.readbyqxmd.com/read/28253638/noise-exposure-among-federal-wildland-fire-fighters
#20
George Broyles, Corey R Butler, Chucri A Kardous
Wildland fire fighters use many tools and equipment that produce noise levels that may be considered hazardous to hearing. This study evaluated 174 personal dosimetry measurements on 156 wildland fire fighters conducting various training and fire suppression tasks. Noise exposures often exceeded occupational exposure limits and suggest that wildland fire fighters may be at risk of developing noise-induced hearing loss, particularly those operating chainsaws, chippers, and masticators. The authors recommend a comprehensive approach to protecting these fire fighters that includes purchasing quieter equipment, noise and administrative controls, and enrolling these fire fighters into a hearing conservation program...
February 2017: Journal of the Acoustical Society of America
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