Background: The mask mandate during the COVID-19 pandemic leads to communication challenges as sound energy gets reduced and the visual cues are lost due to the face mask. This study examines the impact of a face mask on sound energy and compares speech recognition performance between a basic and a premium hearing aid.
Methods: Participants watched four video clips (a female and a male speaker with and without a face mask) and repeated the target sentences in various test conditions. Real-ear measurement was performed to investigate the changes in sound energy in no mask, surgical, and N95 mask conditions.
Results: With the face mask on, sound energy significantly decreased for all types of masks. For speech recognition, the premium hearing aid showed significant improvement in the mask condition.
Conclusion: The findings emphasize and encourage health care professionals to actively use communication strategies, such as speaking slowly and reducing background noise, when interacting with individuals with hearing loss.
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http://dx.doi.org/10.1016/j.amjoto.2023.103929 | DOI Listing |
Braz J Infect Dis
December 2024
University of Illinois Urbana-Champaign, Department of Kinesiology and Community Health, Urbana, IL, USA.
Objective: To outline the features of COVID-19 in Brazil through a countrywide telephone survey.
Methods: Data from the Telephone Survey of Risk Factors for Chronic Noncommunicable Diseases During the Pandemic (Covitel), a telephone survey of individuals aged 18 years or older from all macro-regions of Brazil, were used. The questionnaire included sociodemographic characteristics and outcomes related to COVID-19 infection, severity, vaccination, and use of masks.
Int J Biol Macromol
December 2024
Key Laboratory for Green Chemical Process of Ministry of Education, School of Environmental Ecology and Biological Engineering, Wuhan Institute of Technology, Wuhan 430205, PR China. Electronic address:
Due to the outbreak of global public health emergency, antibacterial fabrics such as face masks are in great demand. However, common antibacterial fabrics cannot kill bacteria in minutes and they are easy to be contaminated and lost biological activity. In this work, omnipotent antibacterial cotton fabrics with superhydrophobic and photothermal properties are developed by the combination of dopamine with copper sulfide (CuS) and silver nanoparticles on cotton fabrics, and post-modification with PDMS.
View Article and Find Full Text PDFInt J Dent Hyg
December 2024
Department of Dental Hygiene, College of Software and Digital Healthcare Convergence, Yonsei University, Wonju, Korea.
Objective: This study was conducted to identify changes in the personal protective equipment (PPE)-wearing behaviour of dental staff after the coronavirus disease (COVID-19) outbreak in Korea.
Methods: This study used a self-administered questionnaire for 257 dental staff (dentists, dental hygienists and other assistants) in regions of Korea. The questionnaire investigated the change in the frequency of wearing of PPE after COVID-19 (masks, gloves, goggles, face shields and protective clothing), and the PPE change cycle of dental staff compared with that before COVID-19.
Eur J Orthod
December 2024
Department of Faculty of Medicine and Surgery, UniCamillus International Medical University, Via di Sant'Alessandro 8, 00131 Rome, Italy.
Objectives: The purpose of this retrospective study was to compare the dento-skeletal changes observed in growing Class III patients treated with the Face Mask Protocol (FMP) with and without Bite Block (BB).
Materials: Thirty subjects (12 f, 18 m) who underwent FM/BB therapy were compared to a matched group (FM) of 29 patients (15 f, 14 m) treated without BB. All patients were evaluated before treatment (T0), at the end of active treatment (T1), and at a post-pubertal follow-up observation (T2).
Infect Dis Model
March 2025
Department of Environmental and Resource Engineering, Technical University of Denmark, Copenhagen, Denmark.
The COVID-19 pandemic, caused by SARS-CoV-2, highlighted the importance of understanding transmission modes and implementing effective mitigation strategies. Recognizing airborne transmission as a primary route has reshaped public health measures, emphasizing the need to optimize indoor environments to reduce risks. Numerous tools have emerged to assess airborne infection risks in enclosed spaces, providing valuable resources for public health authorities, researchers, and the general public.
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