keyword
MENU ▼
Read by QxMD icon Read
search

Noise. Hearing loss. Noise exposure.

keyword
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
#1
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/28632772/characterization-of-slow-cycling-cells-in-the-mouse-cochlear-lateral-wall
#2
Yang Li, Kotaro Watanabe, Masato Fujioka, Kaoru Ogawa
Cochlear spiral ligament fibrocytes (SLFs) play essential roles in the physiology of hearing including ion recycling and the generation of endocochlear potential. In adult animals, SLFs can repopulate after damages, yet little is known about the characteristics of proliferating cells that support SLFs' self-renewal. Here we report in detail about the characteristics of cycling cells in the spiral ligament (SL). Fifteen P6 mice and six noise-exposed P28 mice were injected with 5-bromo-2'-deoxyuridine (BrdU) for 7 days and we chased BrdU retaining cells for as long as 60 days...
2017: PloS One
https://www.readbyqxmd.com/read/28627704/matrix-metalloproteinase-2-and-9-contribute-to-functional-integrity-and-noise%C3%A2-induced-damage-to-the-blood-labyrinth-barrier
#3
Jun Wu, Weiju Han, Xingrui Chen, Weiwei Guo, Ke Liu, Ruoya Wang, Jishuai Zhang, Na Sai
The cochlear blood-labyrinth barrier (BLB), located in the stria vascularis, is critical for the homeostasis of cochlear solutes and ion transport. Significant disruption to the BLB occurs early during noise‑induced hearing loss. Matrix metalloproteinase (MMP)‑2 and ‑9 are important molecules known to be capable of degrading tight junction (TJ) proteins. The TJ proteins are important components of the extracellular matrix (ECM), required to maintain BLB integrity and permeability. Previous studies have demonstrated that MMP‑2 and ‑9, rich in healthy cochlea, serve an essential role in regulating the cochlear response to acoustic trauma...
June 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28626386/minimal-effects-of-age-and-exposure-to-a-noisy-environment-on-hearing-in-alpha9-nicotinic-receptor-knockout-mice
#4
Amanda M Lauer
Studies have suggested a role of weakened medial olivocochlear (OC) efferent feedback in accelerated hearing loss and increased susceptibility to noise. The present study investigated the progression of hearing loss with age and exposure to a noisy environment in medial OC-deficient mice. Alpha9 nicotinic acetylcholine receptor knockout (α9KO) and wild types were screened for hearing loss using auditory brainstem responses. α9KO mice housed in a quiet environment did not show increased hearing loss compared to wild types in young adulthood and middle age...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28614930/-relationship-between-noise-exposure-and-high-frequency-hearing-loss-in-bottled-beverage
#5
L J Chen
No abstract text is available yet for this article.
April 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/28601814/hearing-loss-associated-with-repeated-mri-acquisition-procedure-related-acoustic-noise-exposure-an-occupational-cohort-study
#6
Suzan Bongers, Pauline Slottje, Hans Kromhout
OBJECTIVE: To study the effects of repeated exposure to MRI-related acoustic noise during image acquisition procedures (scans) on hearing. METHODS: A retrospective occupational cohort study was performed among workers of an MRI manufacturing facility (n=474). Longitudinal audiometry data from the facility's medical surveillance scheme collected from 1973 to 2010 were analysed by studying the association of cumulative exposure to MRI-related acoustic noise from voluntary (multiple) MRI scans and the hearing threshold of the volunteer...
June 10, 2017: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28599263/environmental-exposures-to-lead-mercury-and-cadmium-and-hearing-loss-in-adults-and-adolescents-knhanes-2010-2012
#7
(no author information available yet)
BACKGROUND: The prevalence of hearing loss increases rapidly with aging. Hearing loss is common in all age groups, even in young adults and adolescents. A growing body of evidence has suggested that heavy metals have ototoxic effects, yet few epidemiological studies have investigated the association between heavy metals and hearing loss in a general population that includes adults and adolescents. OBJECTIVES: We examined the association between environmental exposures to lead, mercury, and cadmium and the risk of hearing loss in adults and adolescents while controlling for potential confounding factors, including noise exposures and clinical factors...
June 8, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28598950/drill-induced-cochlear-injury-during-otologic-surgery-intracochlear-pressure-evidence-of-acoustic-trauma
#8
Renee M Banakis Hartl, Jameson K Mattingly, Nathaniel T Greene, Nyssa F Farrell, Samuel P Gubbels, Daniel J Tollin
HYPOTHESIS: Drilling on the incus produces intracochlear pressure changes comparable to pressures created by high-intensity acoustic stimuli. BACKGROUND: New-onset sensorineural hearing loss (SNHL) following mastoid surgery can occur secondary to inadvertent drilling on the ossicular chain. To investigate this, we test the hypothesis that high sound pressure levels are generated when a high-speed drill contacts the incus. METHODS: Human cadaveric heads underwent mastoidectomy, and fiber-optic sensors were placed in scala tympani and vestibuli to measure intracochlear pressures (PIC)...
June 8, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28584326/the-risk-of-hearing-loss-associated-with-occupational-exposure-to-organic-solvents-mixture-with-and-without-concurrent-noise-exposure-a-systematic-review-and-meta-analysis
#9
REVIEW
Maryam Hormozi, Alireza Ansari-Moghaddam, Ramazan Mirzaei, Javid Dehghan Haghighi, Fatemeh Eftekharian
This study is a meta-analysis of the previous epidemiological studies which investigated the quantitative estimates of the association between independent or combined exposure to noise and mixed organic solvents and hearing loss until October 2014. Overall, 15 studies with information on 7530 individuals (6% female) were included. Having assessed - by puretone audiometry - the adjusted odds ratio estimates for the association between solvents mixture exposure and the risk of developing hearing loss stood at 2...
May 23, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28583912/noise-trauma-induced-behavioral-gap-detection-deficits-correlate-with-reorganization-of-excitatory-and-inhibitory-local-circuits-in-the-inferior-colliculus-and-are-prevented-by-acoustic-enrichment
#10
Joshua J Sturm, Ying-Xin Zhang-Hooks, Hannah Roos, Tuan Nguyen, Karl Kandler
Hearing loss leads to a host of cellular and synaptic changes in auditory brain areas, which are thought to give rise to auditory perception deficits such as temporal processing impairments, hyperacusis, or tinnitus. However, little is known about possible changes in synaptic circuit connectivity that may underlie these hearing deficits. Here, we show that mild hearing loss as a result of brief noise exposure leads to a pronounced reorganization of local excitatory and inhibitory circuits in the mouse inferior colliculus...
June 5, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28562070/the-role-of-micrornas-in-environmental-risk-factors-noise-induced-hearing-loss-and-mental-stress
#11
Verónica Miguel, Julia Yue Cui, Lidia Daimiel, Cristina Espinosa-Díez, Carlos Fernandez-Hernando, Terrance J Kavanagh, Santiago Lamas
SIGNIFICANCE: MicroRNAs (miRNAs) are important regulators of gene expression and define part of the epigenetic signature. Their influence on every realm of biomedicine is established and progressively increasing. The impact of environment on human health is enormous. Among environmental risk factors impinging on quality of life are those of chemical nature (toxic chemicals, heavy metals, pollutants, pesticides) as well as those related to everyday life such as exposure to noise or mental and psychosocial stress...
May 31, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28559452/noise-exposure-and-auditory-thresholds-of-german-airline-pilots-a-cross-sectional-study
#12
Reinhard Müller, Joachim Schneider
OBJECTIVE: The cockpit workplace of airline pilots is a noisy environment. This study examines the hearing thresholds of pilots with respect to ambient noise and communication sound. METHODS: The hearing of 487 German pilots was analysed by audiometry in the frequency range of 125 Hz-16 kHz in varying age groups. Cockpit noise (free-field) data and communication sound (acoustic manikin) measurements were evaluated. RESULTS: The ambient noise levels in cockpits were found to be between 74 and 80 dB(A), and the sound pressure levels under the headset were found to be between 84 and 88 dB(A)...
May 30, 2017: BMJ Open
https://www.readbyqxmd.com/read/28549396/molecular-mechanisms-underlying-the-protective-effects-of-hydrogen-saturated-saline-on-noise-induced-hearing-loss
#13
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...
May 26, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28535812/current-insights-in-noise-induced-hearing-loss-a-literature-review-of-the-underlying-mechanism-pathophysiology-asymmetry-and-management-options
#14
REVIEW
Trung N Le, Louise V Straatman, Jane Lea, Brian Westerberg
BACKGROUND: Noise-induced hearing loss is one of the most common forms of sensorineural hearing loss, is a major health problem, is largely preventable and is probably more widespread than revealed by conventional pure tone threshold testing. Noise-induced damage to the cochlea is traditionally considered to be associated with symmetrical mild to moderate hearing loss with associated tinnitus; however, there is a significant number of patients with asymmetrical thresholds and, depending on the exposure, severe to profound hearing loss as well...
May 23, 2017: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28534733/acute-acoustic-trauma-among-soldiers-during-an-intense-combat
#15
Noam Yehudai, Nir Fink, Manor Shpriz, Tal Marom
BACKGROUND: During military actions, soldiers are constantly exposed to various forms of potentially harmful noises. Acute acoustic trauma (AAT) results from an impact, unexpected intense noise ≥140 dB, which generates a high-energy sound wave that can damage the auditory system. PURPOSE: We sought to characterize AAT injuries among military personnel during operation "Protective Edge," to analyze the effectiveness of hearing protection devices (HPDs), and to evaluate the benefit of steroid treatment in early-diagnosed AAT injury...
May 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28532971/clinical-and-audiological-characteristics-of-1000hz-audiometric-notch-patients
#16
Hyun-Min Lee, Seok-Hyun Kim, Jae-Hwan Jung, Se-Joon Oh, Soo-Keun Kong, Il-Woo Lee
PURPOSE: Among the hearing loss patients, we can confirm that the hearing loss of the specific frequency decreases, such as the 2000Hz notch in otosclerosis and the 4000Hz notch (c5-dip) in noise-induced hearing loss. The 1000Hz notch (c3-dip), however, is rarely studied. We fortuitously encountered a group of patients with a 1kHz hearing loss and report it with a review of the literature. METHODS: Otological history, audiogram, diagnosis, occupation, and history of noise exposure were reviewed from charts and telephone interview, and compared between c3-dip and c5-dip patients (n=98)...
April 1, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28489444/noise-induced-hearing-loss-a-modern-epidemic
#17
Lema Imam, S Alam Hannan
Hearing loss is an increasingly common problem in the UK, and noise-induced hearing loss is the second most common acquired cause. There is a greater burden on the younger population, as recreational noise exposure is an important contributor. New damaging hearing behaviours have emerged including loud music exposure at concerts, nightclubs and via personal music players. The mechanism of damage is thought to involve many diverse pathways, which include oxidative damage, mechanical shearing forces and glutamate excitotoxicity...
May 2, 2017: British Journal of Hospital Medicine
https://www.readbyqxmd.com/read/28471784/hearing-threshold-shifts-among-11-to-35-year-olds-with-early-hearing-impairment
#18
Lyndal Carter, Deborah Black
OBJECTIVES: Data obtained from the clinical records of selected 11- to 35-year-olds with preadult onset hearing impairment were analyzed with 2 primary aims: (1) to determine the incidence of hearing threshold level (HTL) shift in this cohort and, (2) to examine the relationship between HTL shift, whole-of-life noise exposure, and other factors. DESIGN: Cross-sectional cohort study. Retrospective HTL + survey data for a sample of 237 young Australians receiving hearing (re)habilitation services were obtained...
May 2, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28464669/killer-whale-orcinus-orca-behavioral-audiograms
#19
Brian K Branstetter, Judy St Leger, Doug Acton, John Stewart, Dorian Houser, James J Finneran, Keith Jenkins
Killer whales (Orcinus orca) are one of the most cosmopolitan marine mammal species with potential widespread exposure to anthropogenic noise impacts. Previous audiometric data on this species were from two adult females [Szymanski, Bain, Kiehl, Pennington, Wong, and Henry (1999). J. Acoust. Soc. Am. 108, 1322-1326] and one sub-adult male [Hall and Johnson (1972). J. Acoust. Soc. Am. 51, 515-517] with apparent high-frequency hearing loss. All three killer whales had best sensitivity between 15 and 20 kHz, with thresholds lower than any odontocete tested to date, suggesting this species might be particularly sensitive to acoustic disturbance...
April 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28460252/effects-of-noise-induced-hearing-loss-on-parvalbumin-and-perineuronal-net-expression-in-the-mouse-primary-auditory-cortex
#20
Anna Nguyen, Haroun M Khaleel, Khaleel A Razak
Noise induced hearing loss is associated with increased excitability in the central auditory system but the cellular correlates of such changes remain to be characterized. Here we tested the hypothesis that noise-induced hearing loss causes deterioration of perineuronal nets (PNNs) in the auditory cortex of mice. PNNs are specialized extracellular matrix components that commonly enwrap cortical parvalbumin (PV) containing GABAergic interneurons. Compared to somatosensory and visual cortex, relatively less is known about PV/PNN expression patterns in the primary auditory cortex (A1)...
April 27, 2017: Hearing Research
keyword
keyword
17455
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"