The paper describes the problems that may occur when hearing protectors, usually designed for industrial noise environments, are used for high-level impulse (weapon) noise. The military impulse noise environment is described, as are the different types of passive and active hearing protectors and the measurement procedures. The different mechanisms that may alter the effectiveness of the hearing protectors as well as their global efficiency when submitted to high-level impulse noise are presented. The paper also discusses how the performance values accessible to the user may be used in different damage risk criteria for continuous and impulse noise.
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http://dx.doi.org/10.1080/10803548.2009.11076804 | DOI Listing |
Heliyon
October 2024
Shenzhen Key Laboratory of Nanozymes and Translational Cancer Research, Department of Otolaryngology, Shenzhen Institute of Translational Medicine, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen, 518035, China.
Hearing loss is caused by many factors including ototoxic drug-induced hair cell damage. Ombuoside, an antioxidant isolated from , has been suggested to serve as a new neuroprotective drug. However, the role of ombuoside in protecting inner ear hair cells from ototoxic drug-induced damage has not been investigated.
View Article and Find Full Text PDFCureus
August 2024
Social and Preventive Medicine, Universiti Malaya, Kuala Lumpur, MYS.
Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi
August 2024
Occupational Health Department, Nanjing Prevention and Treatment Center for Occupational Disease, Nanjing 210042, China.
To measure and compare the difference of personal attenuation rating (PAR) of the workers wearing foam earplugs before and after the training, and to evaluate the effect of ear protector wearing training on the noise protection. In February 2023, 94 workers exposed to noise in a machinery manufacturing factory were selected as subjects. The production noise in the workplace was measured and subjects were trained to wear earplugs.
View Article and Find Full Text PDFJ Multidiscip Healthc
August 2024
Department of Audiology and Speech Pathology, Al-Ahliyya Amman University, Amman, Jordan.
Objective: The aim of this study was to investigate adults' habits regarding personal listening devices (PLDs), associated factors such as tinnitus and hearing threshold shift, and their knowledge of safety measures, including the use of hearing protectors in noisy environments.
Design: A cross-sectional survey was designed and distributed online.
Study Sample: Participants between the ages of 18 and 40 years were invited to complete the survey.
Background: Gold-standard approaches for chronic tinnitus involve hearing amplification measures and psychological therapy, where applicable. Whilst schema therapy is accumulating evidence as a transdiagnostically useful treatment framework, its applicability for patients with chronic tinnitus has not yet been examined. The present study (a) explores latent dimensions of psychological distress in a sample of chronic tinnitus patients, and (b) examines whether the schema mode model might explain these dimensions - thus constituting a potentially helpful conceptualization and treatment framework.
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