Suction tube noise and myringotomy

1980 ◽  
Vol 94 (4) ◽  
pp. 383-386 ◽  
Author(s):  
M. G. Spencer
Keyword(s):  
Hearing Loss ◽  
Otitis Media ◽  
External Auditory Meatus ◽  
Noise Induced Hearing Loss ◽  
Noise Levels ◽  
Suction Tube ◽  
Sound Levels ◽  
High Level

AbstactThe possibility of a noise-induced hearing loss occurring as a result of a high level of sucker-tip noise in myringtomy for seromucinous otitis media is discussed, A group of twenty-four ears is investigated and the noise levels generated by the suction tube are mearsured at operation by means of a probe microphone lowered into the external auditory meatus The conclusions reached are that, although the sound levels attained are at times quite high, they are not of suffcient amplitude, nor are they present for a suffcient length of time, to produce a sencori-neural hearing loss.

British university students' attitudes towards noise-induced hearing loss caused by nightclub attendance

2014 ◽  
Vol 128 (1) ◽  
pp. 29-34 ◽  
Author(s):  
O Johnson ◽  
B Andrew ◽  
D Walker ◽  
S Morgan ◽  
A Aldren
Keyword(s):  
Young Adults ◽  
Hearing Loss ◽  
Noise Induced Hearing Loss ◽  
Impaired Hearing ◽  
Noise Levels ◽  
Policy Makers ◽  
The Past ◽  
Sound Levels ◽  
Students Attitudes ◽  
Hearing Damage

AbstractBackground:Over the past 30 years, the prevalence of noise-induced hearing loss among adolescents and young adults has increased. This study aimed to address the current dearth of literature implicating excessive nightclub sound levels (more than 85 dB) as a direct cause of auditory symptoms related to noise-induced hearing loss.Method:A questionnaire was completed by 325 students to gauge the frequency of auditory symptoms after nightclub attendance, and to explore knowledge and opinions about noise levels in nightclubs.Results:The findings showed that 88.3 per cent of students experienced tinnitus after leaving a nightclub and 66.2 per cent suffered impaired hearing the following morning. In terms of behaviour, 73.2 per cent of students said that the risk of hearing damage would not affect their nightclub attendance, but most students (70.2 per cent) felt that noise levels in nightclubs should be limited to safe volumes.Conclusion:A high proportion of students reported experiencing symptoms related to noise-induced hearing loss after attending a nightclub. These findings are relevant to policy makers.

In-vehicle noise exposure among military personnel depending on type of vehicle, riding compartment and road surface

2019 ◽  
pp. jramc-2018-001091 ◽  
Author(s):  
Assar Luha ◽  
E Merisalu ◽  
M Reinvee ◽  
S Kinnas ◽  
R Jõgeva ◽  
...  
Keyword(s):  
Hearing Loss ◽  
Military Personnel ◽  
Military Service ◽  
Noise Exposure ◽  
Road Surface ◽  
Noise Induced Hearing Loss ◽  
Noise Levels ◽  
Long Distance ◽  
Vehicle Noise ◽  
Paved Road

IntroductionNoise-induced hearing loss is one of the most common health problems among military service personnel. Exposure to noise in military vehicles constitutes a large proportion of total noise exposure. This pilot study aimed to evaluate in-vehicle noise levels depending on the type of vehicle, riding compartment and road surface.MethodNoise levels were measured in armoured personnel carriers and heavy all-terrain trucks, in the cab and rear passenger compartment, while driving on paved or off-road surfaces. The results were compared with national LLV and allowed noise exposure times were calculated per vehicle and surface.ResultsThe equivalent noise levels in the cab of SISU XA-188 (p=0.001) and peak noise levels in MAN 4620 (p=0.0001) and DAF 4440 (p=0.0047) were higher on paved road, compared with off-road. The equivalent noise levels in the canvas covered rear compartment of MAN 4620 were significantly higher than in the cab on both paved (p=0.004) and off-road (p=0.0003). Peak noise levels in the cab of DAF 4440 exceeded the parameters measured in the canvas covered rear compartment on both paved (p=0.002) and off-road (p=0.0002). In most cases, peak noise levels were below the LLV (p=0.02–0.0001). The maximum noise exposure to passengers in the canvas covered rear compartment of MAN 4620 despite road surface was calculated 0.6 hours per working day.ConclusionA high risk of noise-induced hearing loss among military personnel occurs during long distance transportation with vehicles showing noise levels higher than allowed LLV.

scholarly journals Occupational noise-induced hearing loss in China: a systematic review and meta-analysis

BMJ Open ◽  
2020 ◽  
Vol 10 (9) ◽  
pp. e039576
Author(s):  
Jiena Zhou ◽  
Zhihao Shi ◽  
Lifang Zhou ◽  
Yong Hu ◽  
Meibian Zhang
Keyword(s):  
Systematic Review ◽  
Hearing Loss ◽  
Noise Exposure ◽  
Meta Analysis ◽  
Wide Distribution ◽  
Welding Fumes ◽  
Noise Induced Hearing Loss ◽  
Occupational Noise ◽  
Using Data ◽  
High Level

ObjectiveMost of the Chinese occupational population are becoming at risk of noise-induced hearing loss (NIHL). However, there is a limited number of literature reviews on occupational NIHL in China. This study aimed to analyse the prevalence and characteristics of occupational NIHL in the Chinese population using data from relevant studies.DesignSystematic review and meta-analysis.MethodsFrom December 2019 to February 2020, we searched the literature through databases, including Web of Science, PubMed, MEDLINE, Scopus, the China National Knowledge Internet, Chinese Sci-Tech Journal Database (weip.com), WanFang Database and China United Library Database, for studies on NIHL in China published in 1993–2019 and analysed the correlation between NIHL and occupational exposure to noise, including exposure to complex noise and coexposure to noise and chemicals.ResultsA total of 71 865 workers aged 33.5±8.7 years were occupationally exposed to 98.6±7.2 dB(A) (A-weighted decibels) noise for a duration of 9.9±8.4 years in the transportation, mining and typical manufacturing industries. The prevalence of occupational NIHL in China was 21.3%, of which 30.2% was related to high-frequency NIHL (HFNIHL), 9.0% to speech-frequency NIHL and 5.8% to noise-induced deafness. Among manufacturing workers, complex noise contributed to greater HFNIHL than Gaussian noise (overall weighted OR (OR)=1.95). Coexposure to noise and chemicals such as organic solvents, welding fumes, carbon monoxide and hydrogen sulfide led to greater HFNIHL than noise exposure alone (overall weighted OR=2.36). Male workers were more likely to experience HFNIHL than female workers (overall weighted OR=2.26). Age, noise level and exposure duration were also risk factors for HFNIHL (overall weighted OR=1.35, 5.63 and 1.75, respectively).ConclusionsThe high prevalence of occupational NIHL in China was related to the wide distribution of noise in different industries as well as high-level and long-term noise exposure. The prevalence was further aggravated by exposure to complex noise or coexposure to noise and specific chemicals. Additional efforts are needed to reduce occupational noise exposure in China.

scholarly journals Misdiagnosis of hearing loss due to ear canal collapse: a report of two cases

1996 ◽  
Vol 110 (6) ◽  
pp. 561-566 ◽  
Author(s):  
Cliodna F. O Mahoney ◽  
Linda M. Luxon
Keyword(s):  
Hearing Loss ◽  
External Auditory Meatus ◽  
Noise Induced Hearing Loss ◽  
Ear Canal ◽  
True Nature ◽  
High Frequencies ◽  
Hearing Thresholds ◽  
Retrocochlear Pathology

AbstractCollapse of the external auditory meatus during audiometry can lead to spuriously increased hearing thresholds being obtained, particularly at high frequencies, and may simulate conditions such as noise-induced hearing loss, presbyacusis and retrocochlear pathology. Consequently, inappropriate investigations and management may be undertaken. Two patients with elevated thresholds secondary to ear canal collapse are described. The implications of initially failing to identify the true nature of their ‘hearing losses’ are highlighted and strategies to avoid such pitfalls are discussed.

Noise induced hearing loss in dance music disc jockeys and an examination of sound levels in nightclubs

2004 ◽  
Vol 118 (2) ◽  
pp. 123-128 ◽  
Author(s):  
Adam Bray ◽  
Marcin Szymański ◽  
Robert Mills
Keyword(s):  
Hearing Loss ◽  
Pure Tone ◽  
Noise Exposure ◽  
Pure Tone Audiometry ◽  
Study Group ◽  
Temporary Threshold Shift ◽  
Noise Induced Hearing Loss ◽  
Dance Music ◽  
Sound Levels ◽  
Substantial Risk

Noise exposure, hearing loss and associated otological symptoms have been studied in a group of 23 disc jockeys using a questionnaire and pure tone audiometry. The level of noise exposure in the venues where they work has also been studied using Ametek Mk-3 audio dosimeters. Three members of the study group showed clear evidence of noise-induced hearing losson audiometry, 70 per cent reported temporary threshold shift after sessions and 74 per cent reported tinnitus. Sound levels of up to 108 dB(A) were recorded in the nightclubs. The average level for a typical session was 96 dB(A) which is above the level at which the provision of ear protection is mandatory for employers in industry. It can be concluded that DJs are at substantial risk of developing noise-induced hearing loss and noise exposure in nightclubs frequently exceeds safe levels.

Risk for Noise-Induced Hearing Loss From Use of Portable Media Players: A Summary of Evidence Through 2008

2009 ◽  
Vol 5 (1) ◽  
pp. 10-20 ◽  
Author(s):  
Brian J. Fligor
Keyword(s):  
At Risk ◽  
Hearing Loss ◽  
Background Noise ◽  
Absolute Number ◽  
Noise Induced Hearing Loss ◽  
Sound Exposure ◽  
Risk Criteria ◽  
Sound Levels ◽  
Growing Body ◽  
Damage Risk

Abstract A growing body of evidence suggests that a small, but significant, percent of users of portable media players (PMP) are at risk for noise-induced hearing loss (NIHL) from abusive use. This manuscript provides a brief review of damage-risk criteria and the methodological hurdles to accurately measuring sound exposure from earphones. The capacity of all generations of PMP exists to produce sound levels that would allow a user to exceed established damage-risk criteria. Whether or not a PMP user exceeds damage-risk criteria depends in part on the type of earphone used and the background noise that exists in the ambient listening environment. To date, estimates of noise dose from PMP use suggest that only a fraction of consumers are at risk for NIHL, but, given the extraordinary population of these devices, the absolute number affected may be quite large. Estimates of noise-induced permanent threshold shift from using PMP at high levels for 2 and 4 hours per day over a 10-year period are given, as well as an estimate of the number of people who may have NIHL from PMP use.

scholarly journals Hearing Screening in the Community

2019 ◽  
Vol 30 (02) ◽  
pp. 145-152 ◽  
Author(s):  
Gabrielle H. Saunders ◽  
Melissa T. Frederick ◽  
ShienPei C. Silverman ◽  
Tina Penman ◽  
Austin Gardner ◽  
...  
Keyword(s):  
Hearing Loss ◽  
Failure Rate ◽  
Pure Tone ◽  
Ambient Noise ◽  
Failure Criteria ◽  
Hearing Screening ◽  
Self Report ◽  
Screening Tests ◽  
Noise Levels ◽  
Sound Levels

AbstractAdults typically wait 7–10 yr after noticing hearing problems before seeking help, possibly because they are unaware of the extent of their impairment. Hearing screenings, frequently conducted at health fairs, community events, and retirement centers can increase this awareness. To our knowledge, there are no published studies in which testing conditions and outcomes have been examined for multiple “typical screening events.”The purpose of this article is to report hearing screening outcomes for pure tones and self-report screening tests and to examine their relationship with ambient noise levels in various screening environments.One thousand nine hundred fifty-four individuals who completed a hearing screening at one of 191 community-based screening events that took place in the Portland, OR, and Tampa, FL, metro areas.The data were collected during the recruitment phase of a large multisite study. All participants received a hearing screening that consisted of otoscopy, pure-tone screening, and completion of the Hearing Handicap Inventory–Screening Version (HHI-S). In addition, ambient sound pressure levels were measured just before pure-tone testing.Many more individuals failed the pure-tone screening (n = 1,238) and then failed the HHI-S (n = 796). The percentage of individuals who failed the pure-tone screening increased linearly with age from <20% for ages <45 yr to almost 100% for individuals aged ≥85 yr. On the other hand, the percentage of individuals who failed the HHI-S remained unchanged at approximately 40% for individuals aged ≥55 yr. Ambient noise levels varied considerably across the hearing screening locations. They impacted the pure-tone screen failure rate but not the HHI-S failure rate.It is important to select screening locations with a quiet space for pure-tone screening, use headphones with good passive attenuation, measure sound levels regularly during hearing screening events, halt testing if ambient noise levels are high, and/or alert individuals to the possibility of a false-positive screening failure. The data substantiate prior findings that the relationship between pure-tone sensitivity and reported hearing loss changes with age. Although it might be possible to develop age-specific HHI-S failure criteria to adjust for this, such an endeavor is not recommended because perceived difficulties are the best predictor of hearing health behaviors. Instead, it is proposed that a public health focus on education about hearing and hearing loss would be more effective.

scholarly journals Noise Exposure

2021 ◽  
Author(s):  
Alberto Behar
Keyword(s):  
Hearing Loss ◽  
Human Activity ◽  
Basic Concept ◽  
Noise Exposure ◽  
Noise Induced Hearing Loss ◽  
Loud Noise ◽  
Frequency Content ◽  
Noise Levels ◽  
Content Change ◽  
Almost All

Noise exposure is a basic concept used to assess the risk of noise induced hearing loss in the workplace. It is very important, since loud noise is omnipresent in almost all human activity, especially in industry, construction, mining and transportation. The question to answer is how to determine the risk of a person performing in an environment where the noise levels, duration and frequency content change with time. The answer is obtained by measuring his noise exposure. Although the measurement itself is not complex or difficult, a proper knowledge of what exactly is the noise exposure and how to deal with the measurement result in fundamental to avoid getting wrong conclusions.

The Incidence of Noise-Induced Hearing Loss among Music Teachers

1994 ◽  
Vol 42 (4) ◽  
pp. 318-330 ◽  
Author(s):  
Robert A. Cutietta ◽  
Richard J. Klich ◽  
David Royse ◽  
Harry Rainbolt
Keyword(s):  
High School ◽  
Hearing Loss ◽  
Music Teachers ◽  
Repeated Exposure ◽  
Noise Induced Hearing Loss ◽  
High School Band ◽  
Sound Levels ◽  
Hearing Acuity ◽  
Permanent Loss ◽  
Loss Of Hearing

The purpose of this study was to compare the hearing acuity of three groups of music teachers: vocal, elementary instrumental, and high school instrumental. One hundred four music teachers were tested for evidence of hearing loss that could possibly be attributed to Noise-Induced Hearing Loss (NIHL). This type of hearing loss is a permanent loss of hearing acuity resulting from repeated exposure to intense sound levels. Results indicate that some risk of NIHL is involved in high school band directing but the degree of risk varies widely among individuals.

Sound Exposure Levels Experienced by University Wind Band Members

2009 ◽  
Vol 24 (2) ◽  
pp. 63-70
Author(s):  
Jennifer Stewart Walter
Keyword(s):  
Hearing Loss ◽  
Occupational Safety ◽  
Wind Band ◽  
Cumulative Effect ◽  
Noise Induced Hearing Loss ◽  
Sound Exposure ◽  
Sound Levels ◽  
Safety And Health ◽  
Exposure Levels ◽  
University Setting

The purpose of this study was 1) to examine the sound exposure of wind band members in a university setting during a week of typical rehearsals and 2) to assess whether that exposure changes depending on subjects' location within the rehearsal space. Because excessive sound exposure has a cumulative effect on the ear that can eventually lead to noise-induced hearing loss, it is important to determine whether university musicians are at risk. A 100% dose of sound is the maximum daily exposure recommended by the National Institute of Occupational Safety and Health (NIOSH) for preventing noise-induced hearing loss. Twenty-four of 46 subjects (52%) experienced one or more rehearsals with sound levels high enough to produce >100% doses, and 17 subjects experienced a mean daily dose of sound in excess of 100% as compared to the NIOSH standards. Implications and suggestions for further research are discussed.

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