نتایج جستجو برای: nihl
تعداد نتایج: 271 فیلتر نتایج به سال:
conclusions despite rising figures of reported occupational hearing loss, working nbii statistics show that the nihl problem in the danish work environment has, in fact, decreased. in our study, we found that roughly one third (around 100 cases) of the 272 screened persons presumably had nihl, taking into account 88 probable cases (column b) and 44 questionable ones (column c + 16 ski slopes). ...
Introduction: At the 2003 Mine Health and Safety Summit, the milestones for elimination of Noise-induced Hearing Loss (NIHL) in the mining industry were agreed on. The first milestone, December 2008, has passed and the next one in 2013 is looming. The study sought to answer the questions: Did we reach the 2008 milestone? What should the industry do now about hearing conservation that will ensur...
OBJECTIVES The aim of the present study was to investigate whether PON2 gene polymorphisms (rs7493, rs12026, rs12704796, rs7785846 and rs7786401) are associated with susceptibility to noise-induced hearing loss (NIHL) in the Chinese population. METHODS A case-control study was conducted using 615 cases selected without any restriction in age or sex and 644 controls who were matched with the c...
Hes1, a hairy and enhancer of split homolog, negatively regulates inner ear hair cell differentiation. The main objective of this study was to investigate the status of the Hes1 gene in the noise-damaged cochlea in relation to the degree of noise-induced hearing loss (NIHL). Adult albino guinea pigs were exposed to white-band noise (115 dB sound pressure level). Noise exposure for either 1 or 3...
These guidelines aim to assist in the diagnosis of noise-induced hearing loss (NIHL) in medicolegal settings. The task is to distinguish between possibility and probability, the legal criterion being 'more probable than not'. It is argued that the amount of NIHL needed to qualify for that diagnosis is that which is reliably measurable and identifiable on the audiogram. The three main requiremen...
According to the Ministry of Health (2006), Noise-Induced Hearing Loss (NIHL) is hearing loss caused by prolonged exposure to noise. It is characterized as sensorineural hearing loss and is usually bilateral, irreversible, and progressive while the exposure to noise continues. A NIHL is a predictable and preventable disease with an epidemiologically relevant prevalence in urban communities. The...
We introduce a novel information-theoretic approach for active model selection and demonstrate its effectiveness in a real-world application. Although our method can work with arbitrary models, we focus on actively learning the appropriate structure for Gaussian process (GP) models with arbitrary observation likelihoods. We then apply this framework to rapid screening for noise-induced hearing ...
Introduction: Noise-induced hearing loss (NIHL) is a major problem in industrialized and developing countries. Trend of industrialization and lack of proper protective equipment lead to an increased frequency of noise-related disorders especially NIHL. This study was conducted to investigate noise pollution and the frequency of NIHL in workers of one of the ceramic industries. Materials and ...
Free radical formation in the cochlea plays a key role in the development of noise-induced hearing loss (NIHL). The amount, distribution, and time course of free radical formation have been defined, including a clinically significant formation of both reactive oxygen species and reactive nitrogen species 7-10 days after noise exposure. Reduction in cochlear blood flow as a result of free radica...
BACKGROUND Excessive noise is a global occupational health hazard with considerable social and physiological impacts, including noise-induced hearing loss (NIHL). This paper describes the worldwide morbidity of occupational NIHL in the year 2000. METHODS The proportion of the population exposed to occupational noise was estimated using noise exposure data from the US National Institute for Oc...
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