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Kordmiri SHM, Aliabadi M, Golmohammadi R, Bovenzi M, Farhadian M. Effect of noise and hand-transmitted vibration exposure on hearing and equilibrium under a simulated work environment with building tools. Work 2024; 77:615-628. [PMID: 37718831 DOI: 10.3233/wor-220662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2023] Open
Abstract
BACKGROUND Construction workers are exposed to hand-transmitted vibration (HTV) and/or noise caused by vibrating hand tools in the work environment. OBJECTIVE The present study aims to investigate the effects of exposure to HTV and/or noise on workers' hearing loss and body balance. METHODS Forty construction workers were exposed to HTV (10 m/s2 rms, 31.5 Hz) and/or typical construction noise (90 dBA) in three simulated experiment scenarios with the vibrating hand-held tool for 30 minutes over three days. The hearing loss from 1000 to 6000 Hz and the body balance were determined before and after each exposure scenario. RESULTS Separate noise exposure at all frequencies except for 1000 Hz could significantly affect hearing threshold levels (p-value<0.05). Separate exposure to HTV cannot lead to a remarkable effect on hearing loss (p-value>0.05); however, it can synergistically increase the effect of noise on hearing loss. Also, the affected frequency range in concurrent exposure has been greater than in separate noise exposure. The separate effects of exposure to HTV and noise on the subjects' body balance were not statistically significant (p-value>0.05); however, these effects became significant in concurrent exposure (p-value<0.05). Based on the estimated effect sizes, noise could synergistically increase the observed effect of HTV on body balance. CONCLUSION There is a synergistic interaction between HTV and noise on hearing loss and body balance. It seems necessary to pay attention to the risk evaluation of simultaneous exposure to noise and HTV when setting the occupational action limit values.
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Affiliation(s)
- Seyed Hojat Mousavi Kordmiri
- Center of Excellence for Occupational Health, School of Public Health, Occupational Health and Safety Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Mohsen Aliabadi
- Center of Excellence for Occupational Health, School of Public Health, Occupational Health and Safety Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Rostam Golmohammadi
- Center of Excellence for Occupational Health, School of Public Health, Research Center for Health Sciences, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Massimo Bovenzi
- Clinical Unit of Occupational Medicine, Department of Medical Sciences, University of Trieste, Trieste, Italy
| | - Maryam Farhadian
- Department of Biostatistics, School of Public Health, Research Center for Health Sciences, Hamadan University of Medical Sciences, Hamadan, Iran
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Liu Y, Wang J, Huo J, Zhang S, Han L, Lei Y, Wang Y. Application Effect of Comprehensive Noise Reduction Technology in Outpatients with Vitiligo: A Retrospective Study. Noise Health 2024; 26:37-43. [PMID: 38570309 PMCID: PMC11141697 DOI: 10.4103/nah.nah_60_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 12/19/2023] [Accepted: 01/02/2024] [Indexed: 04/05/2024] Open
Abstract
OBJECTIVE Noise is a kind of perceived public nuisance that is closely related to people's subjective feelings and lives. This study explores the clinical application effect of comprehensive noise reduction technology in outpatients with vitiligo. METHODS A total of 76 patients with vitiligo were selected in the Department of Dermatology at Baoding No. 2 Central Hospital from January 2020 to January 2021, as the control group (CG), receiving 5S management mode, and 80 patients with vitiligo from February 2021 to October 2022 were selected as the study group (SG), receiving comprehensive noise reduction technology combined with the 5S management mode for this retrospective study. The effects of different management modes on these patients were observed. RESULTS SG had higher nursing quality scores in service attitude, service initiative, communication skills, environmental management and item management and overtly a lower noise level than CG (all P < 0.001). The Hamilton Anxiety Scale (HAMA) scores of the two groups at the end of treatment were significantly lower than those on admission (P < 0.05), with SG showing a lower score than CG (P < 0.001). Correlation analysis showed that noise levels and HAMA scores had a positive correlation (r = 0.423, P < 0.001). Patients with negative feelings about medical treatment caused by various noise sources in SG were obviously less than those in CG (P < 0.05). Both the groups had a statistical difference in overall satisfaction (P < 0.05). CONCLUSION The investigation and data analysis demonstrated that comprehensive noise reduction in outpatients with vitiligo had a considerable effect. This technology can standardise the behaviour of medical staff, enhance nursing quality, reduce noise levels and alleviate patients' anxiety and improve their satisfaction. It has great benefits for the outpatient environment and patients.
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Affiliation(s)
- Yong Liu
- Dermatology Venereal Disease Department, Baoding NO. 2 Central Hospital, Zhuozhou, Hebei, China
| | - Jingjing Wang
- Dermatology Venereal Disease Department, Baoding NO. 2 Central Hospital, Zhuozhou, Hebei, China
| | - Jianli Huo
- Dermatology Venereal Disease Department, Baoding NO. 2 Central Hospital, Zhuozhou, Hebei, China
| | - Shaoguang Zhang
- Dermatology Venereal Disease Department, Baoding NO. 2 Central Hospital, Zhuozhou, Hebei, China
| | - Li Han
- Dermatology Venereal Disease Department, Baoding NO. 2 Central Hospital, Zhuozhou, Hebei, China
| | - Yong Lei
- Dermatology Venereal Disease Department, Baoding NO. 2 Central Hospital, Zhuozhou, Hebei, China
| | - Ya’nan Wang
- Department of Neurology, Baoding NO. 2 Central Hospital, Zhuozhou, Hebei, China
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Yeşiltepe A, Karadağ G. The effect of occupational training provided to workers in a glass factory on their use of ear protectors. INTERNATIONAL JOURNAL OF OCCUPATIONAL SAFETY AND ERGONOMICS 2023; 29:236-242. [PMID: 35098896 DOI: 10.1080/10803548.2022.2035989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Objectives. This study aimed to determine the effect of occupational training applied to workers working in noisy parts of a glass factory on the use of ear protectors. Methods. The study was a semi-experimental pre-test and post-test design. It was carried out with 45 workers determined by purposeful sampling and working in a glass production factory who accepted to participate in the study. The data were collected with an information form and noise-related symptom chart, hearing health information questionnaire and observation. In the analysis of the study data, the number/percentage, χ2 test, Cohen κ test and analysis of variance were used. Results. It was determined that workers pre training did not use ear protectors (100%) and there were some noise-related health complaints. There was an increase in using ear protectors (57.8%) and a decrease in their health complaints post training. It was also found that the workers' pre-training hearing health information questionnaire mean score was 11.46 ± 3.20, and post training was 13.77 ± 3.42 in the first month and 15.77 ± 2.88 in the fourth month. Conclusions. Occupational training provided to the workers increased the workers' awareness level and their rate of wearing ear protectors, and health problems caused by work-related noise started to recover.
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Affiliation(s)
| | - Gülendam Karadağ
- Department of Public Health Nursing, Dokuz Eylül University, Turkey
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Sivakumaran K, Ritonja JA, Waseem H, AlShenaibar L, Morgan E, Ahmadi SA, Denning A, Michaud DS, Morgan RL. Impact of Noise Exposure on Risk of Developing Stress-Related Health Effects Related to the Cardiovascular System: A Systematic Review and Meta-Analysis. Noise Health 2022; 24:107-129. [PMID: 36124520 PMCID: PMC9743313 DOI: 10.4103/nah.nah_83_21] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Background : Exposure to acute noise can cause an increase in biological stress reactions, which provides biological plausibility for a potential association between sustained noise exposure and stress-related health effects. However, the certainty in the evidence for an association between exposures to noise on short- and long-term biomarkers of stress has not been widely explored. The objective of this review was to evaluate the strength of evidence between noise exposure and changes in the biological parameters known to contribute to the development of stress-related adverse cardiovascular responses. Materials and Methods This systematic review comprises English language comparative studies available in PubMed, Cochrane Central, EMBASE, and CINAHL databases from January 1, 1980 to December 29, 2021. Where possible, random-effects meta-analyses were used to examine the effect of noise exposure from various sources on stress-related cardiovascular biomarkers. The risk of bias of individual studies was assessed using the risk of bias of nonrandomized studies of exposures instrument. The certainty of the body of evidence for each outcome was assessed using the Grading of Recommendations Assessment, Development, and Evaluation approach. Results : The search identified 133 primary studies reporting on blood pressure, hypertension, heart rate, cardiac arrhythmia, vascular resistance, and cardiac output. Meta-analyses of blood pressure, hypertension, and heart rate suggested there may be signals of increased risk in response to a higher noise threshold or incrementally higher levels of noise. Across all outcomes, the certainty of the evidence was very low due to concerns with the risk of bias, inconsistency across exposure sources, populations, and studies and imprecision in the estimates of effects. Conclusions : This review identifies that exposure to higher levels of noise may increase the risk of some short- and long-term cardiovascular events; however, the certainty of the evidence was very low. This likely represents the inability to compare across the totality of the evidence for each outcome, underscoring the value of continued research in this area. Findings from this review may be used to inform policies of noise reduction or mitigation interventions.
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Affiliation(s)
- Kapeena Sivakumaran
- Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, ON, Canada,Evidence Foundation, Cleveland Heights, OH, USA
| | - Jennifer A. Ritonja
- Université de Montréal Hospital Research Centre (CRCHUM), Montreal, QC, Canada,Department of Social and Preventive Medicine, Université de Montréal, Montreal, QC, Canada
| | - Haya Waseem
- Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, ON, Canada,Evidence Foundation, Cleveland Heights, OH, USA
| | - Leena AlShenaibar
- Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, ON, Canada,Evidence Foundation, Cleveland Heights, OH, USA
| | - Elissa Morgan
- Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, ON, Canada,Evidence Foundation, Cleveland Heights, OH, USA
| | - Salman A. Ahmadi
- Department of Public Health Sciences, Queen’s University, Kingston, ON, Canada
| | - Allison Denning
- Health Canada, Environmental and Radiation Health Sciences Directorate, Consumer & Clinical Radiation Protection Bureau, Ottawa, ON, Canada
| | - David S. Michaud
- Health Canada, Environmental and Radiation Health Sciences Directorate, Consumer & Clinical Radiation Protection Bureau, Ottawa, ON, Canada,Address for correspondence: David S. Michaud, 775 Brookfield Road, Ottawa, ON, K1A1C1, Canada. E-mail:
| | - Rebecca L. Morgan
- Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, ON, Canada,Evidence Foundation, Cleveland Heights, OH, USA
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Rabiei H, Ramezanifar S, Hassanipour S, Gharari N. Investigating the effects of occupational and environmental noise on cardiovascular diseases: a systematic review and meta-analysis. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:62012-62029. [PMID: 34562216 DOI: 10.1007/s11356-021-16540-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 09/10/2021] [Indexed: 06/13/2023]
Abstract
The present study aimed to use a meta-analysis to investigate the relationship between occupational and non-occupational noise exposure expressed in various studies with cardiovascular disease. This is a systematic review and meta-analysis study based on PRISMA checklist. In this study, the researchers searched five international databases of Medline/PubMed, Embase, Scopus, ISI/web of knowledge, and Google Scholar. Search keywords included two categories noise and noise pollution, cardiovascular disease, and hypertension. The Joanna Briggs Institute checklist was used to review and control the quality of the articles. After all screening stage 139 articles entered the final analysis. The results show that except for East African environmental studies and workplace studies in East Asia, Western Asia, and Northern Europe, there was a significant association between noise exposure and cardiovascular disease. Also, there was a significant difference between the intensity of sound and blood pressure in workers (OR = 1.28, CI 95%: 1.15-1.42, P < 0.001). Based on the results of environmental noise, there was a significant difference between ambient noise intensity and blood pressure (OR = 1.55, CI 95%: 1.53-1.57, P < 0.001). It can be concluded that it is very important to study and identify jobs or living environments with less than the recommended noise level and in addition to hearing aids that occur in over-standard exposures, such as cardiovascular disease.
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Affiliation(s)
- Hadiseh Rabiei
- Student Research Committee, Department of Occupational Health and Safety, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Soleiman Ramezanifar
- Student Research Committee, Department of Occupational Health and Safety, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Soheil Hassanipour
- Cardiovascular Diseases Research Center, Department of Cardiology, Heshmat Hospital, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Noradin Gharari
- Department of Occupational Health and Safety, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Mathiesen SL, Aadal L, Uldbæk ML, Astrup P, Byrne DV, Wang QJ. Music Is Served: How Acoustic Interventions in Hospital Dining Environments Can Improve Patient Mealtime Wellbeing. Foods 2021; 10:foods10112590. [PMID: 34828871 PMCID: PMC8622365 DOI: 10.3390/foods10112590] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 10/19/2021] [Accepted: 10/23/2021] [Indexed: 11/18/2022] Open
Abstract
Eating-related challenges and discomforts arising from moderately acquired brain injuries (ABI)—including physiological and cognitive difficulties—can interfere with patients’ eating experience and impede the recovery process. At the same time, external environmental factors have been proven to be influential in our mealtime experience. This experimental pilot study investigates whether redesigning the sonic environment in hospital dining areas can positively influence ABI patients’ (n = 17) nutritional state and mealtime experience. Using a three-phase between-subjects interventional design, we investigate the effects of installing sound proofing materials and playing music during the lunch meals at a specialised ABI hospital unit. Comprising both quantitative and qualitative research approaches and data acquisition methods, this project provides multidisciplinary and holistic insights into the importance of attending to sound in hospital surroundings. Our results demonstrate that improved acoustics and music playback during lunch meals might improve the mealtime atmosphere, the patient well-being, and social interaction, which potentially supports patient food intake and nutritional state. The results are discussed in terms of potential future implications for the healthcare sector.
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Affiliation(s)
- Signe Lund Mathiesen
- Department of Food Science, Faculty of Technical Sciences, Aarhus University, 8200 Aarhus N, Denmark; (D.V.B.); (Q.J.W.)
- Correspondence: ; Tel.: +45-2577-2779
| | - Lena Aadal
- Hammel Neurorehabilitation and Research Center, 8450 Hammel, Denmark;
- Department of Clinical Medicine, Faculty of Health, Aarhus University, 8000 Aarhus C, Denmark
| | | | - Peter Astrup
- Test and Development Center for Welfaretech, 8800 Viborg, Denmark;
| | - Derek Victor Byrne
- Department of Food Science, Faculty of Technical Sciences, Aarhus University, 8200 Aarhus N, Denmark; (D.V.B.); (Q.J.W.)
| | - Qian Janice Wang
- Department of Food Science, Faculty of Technical Sciences, Aarhus University, 8200 Aarhus N, Denmark; (D.V.B.); (Q.J.W.)
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