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Article in Chinese | WPRIM | ID: wpr-935817


Objective: To learn about the noise exposure and health status of workers and analyze factors that may affect the health outcomes of workers in an auto manufacturing enterprise in Tianjin City. Methods: In September 2020, occupational hygiene survey, noise exposure level detection and occupational health examination data collection were carried out in an auto parts manufacturing enterprise. Chi square test and unconditional logistic regression analysis were used to analyze the health effects of noise exposure and hearing loss of 361 noise exposure workers. Results: The rates of over-standard noise exposure, hearing loss and hypertension were 69.39% (34/49) , 33.24% (120/361) and 11.36% (41/361) , respectively. There were upward trends on age and noise-working years for hearing loss and hypertension rates (χ(2)=-5.95, -6.16, -2.81, -2.74, P<0.05) . Unconditional logistic regression analysis showed that age>35 years old, noise exposure length of service >10 years and noise L(EX, 8 h)>85 dB (A) were risk factors for hearing loss (OR=3.57, 95%CI: 1.09, 11.75; OR=4.05, 95%CI: 1.97, 8.25; OR=1.75, 95%CI: 1.00, 3.05; P=0.036, 0.001, 0.047) . Conclusion: This company has a high rate of job noise exceeding the standard, and noise-exposed workers have more serious hearing loss. Age, noise exposure and high noise exposure are risk factors for hearing loss.

Adult , Automobiles , Deafness , Hearing Loss, Noise-Induced/etiology , Humans , Hypertension/complications , Noise, Occupational/adverse effects , Occupational Diseases/complications , Occupational Exposure/analysis
Article in Chinese | WPRIM | ID: wpr-935792


Objective: To analyze the literature of related research reports on occupational hearing loss (ONIHL) , study the characteristics of the subject and determine the research hotspots. Methods: In December 2020, PubMed database was searched by bibliometrics for ONIHL published in PubMed database from January 1971 to December 2020. Bicomb 2.03 software was used to extract the subject. The publication year, publication country, source magazine and subject words were summarized and analyzed. Results: A total of 1 473 papers were included in this study, and the number of papers was 66 from 1971 to 1980, and 628 from 2011 to 2020, an increase of nearly 10 times. The top three countries were the United States, China and Germany, with 31.5% (464/1473) , 11.5% (171/1473) and 6.2% (91/1473) ; The cross-sectional study was the most applied type; The top five words for 2011-2020: Mental Illness, polymorphism, cardiovascular disease, high frequency hearing impairment and standards and regulations. Conclusion: Susceptibility Genes, Psychological Disorders, Cardiovascular Diseases and Risk Assessment are hot areas in ONIHL at present. Researchers should focus on major fields and grasp future trends as a whole.

Bibliometrics , Cardiovascular Diseases , Cross-Sectional Studies , Hearing Loss, Noise-Induced , Humans , Noise, Occupational/adverse effects , Occupational Diseases , PubMed , United States
Article in Chinese | WPRIM | ID: wpr-935790


Objective: To explore the applicability of three different kinds of noise occupational health risk assessment methods to the occupational health risk assessment of noise exposed positions in an automobile foundry enterprise. Methods: In July 2020, the occupational-health risk assessment of noise-exposed positions was conducted by using the Guidelines for risk management of occupational noise hazard (guideline method) , the International Commission on Mining and Metals Guidelines for Occupational Health Risk Assessment (ICMM) method and the Occupational-health risk index method (index method) respectively, and the results were analyzed and compared. Results: Through the occupational health field investigation, the noise exposure level of the enterprise's main workstations was between 80.3 and 94.8 dB (A) , among which the noise of the posts of shaking-sand, cleaning and modeling was greater than 85 dB (A) ; The noise risk of each position was evaluated by the three methods, and the adjustment risk level was between 2 and 5 assessed using the guideline method, between 2 and 3 assessed using the index method, and 5 evaluated using the ICMM model. Conclusion: Each of the three risk assessment methods has its own advantages and disadvantages. The ICMM model has a large difference in value assignment, and values in the results are larger than expected. The evaluation results of the guideline method and the index method are consistent in some positions, there is certain subjectivity in the evaluation using the index method, and the guideline method is more objective.

Automobiles , Noise, Occupational/adverse effects , Occupational Exposure , Occupational Health , Risk Assessment/methods
Article in Chinese | WPRIM | ID: wpr-935771


Objective: To explore the association between occupational noise exposure and cardiovascular disease (CVD) risk in a large Chinese population. Methods: In December 2019, the study included 21412 retired participants from the Dongfeng-Tongji Cohort Study at baseline from September 2008 to June 2010, occupational noise exposure was evaluated through workplace noise level and/or the job titles. In a subsample of 8931 subjects, bilateral hearing loss was defined as a pure-tone mean of 25 dB or higher at 0.5, 1 , 2, and 4 kHz in both ears. Logistic regression models were used to explore the association of occupational noise exposure, bilateral hearing loss with 10-year CVD risk. Results: Compared with participants without occupational noise exposure, the 10-year CVD risk was significantly higher for noise exposure duration ≥20 years (OR=1.20, 95%CI:1.01-1.41 , P=0.001) after adjusting for potential confounders. In the sex-specific analysis, the association was only statistically significant in males (OR=2.34, 95%CI: 1.18-4.66, P<0.001) , but not in females (OR=1.15, 95%CI:0.97-1.37, P=0.153). In the subsample analyses, bilateral hearing loss, which was an indicator for exposure to loud noise, was also associated with a higher risk of 10-year CVD (OR= 1.17, 95% CI:1.05-1.44, P <0.001) , especially for participants who were males (OR =1.24, 95% CI:1.07-2.30, P<0.001) , aged equal and over 60 years old (OR=2.30, 95%CI: 1.84-2.88, P<0.001) , and exposed to occupational noise (OR=1.66, 95%CI: 1.02-2.70, P=0.001). Conclusion: Occupational noise exposure may be a risk factor for CVD.

Aged , Cardiovascular Diseases/epidemiology , Cohort Studies , Female , Hearing Loss, Bilateral/complications , Hearing Loss, Noise-Induced/epidemiology , Humans , Male , Middle Aged , Noise, Occupational/adverse effects , Occupational Diseases/epidemiology , Occupational Exposure/adverse effects
Article in Chinese | WPRIM | ID: wpr-935761


Objective: To understand the diagnosis of suspected occupational diseases reported in Guangzhou from 2014 to 2019, so as to provide theoretical basis and technical support for the supervision of suspected occupational disease reports. Methods: By cluster sampling, the suspected occupational disease report card, occupational disease report card and pneumoconiosis report card reported by Guangzhou from January 1, 2014 to December 31, 2019 in the occupational disease and occupational health information monitoring system were collected for matching analysis to understand the diagnosis of suspected occupational disease patients. Results: From 2014 to 2019, a total of 1426 suspected occupational cases in 7 categories and 32 species were reported in Guangzhou. The average number of reported cases per year was about 240. The main diseases of suspected occupational diseases were suspected occupational noise deafness (68.44%, 976/1426) , suspected occupational chronic benzene poisoning (16.48%, 235/1426) , suspected occupational other pneumoconiosis (4.84%, 69/1426) , suspected occupational silicosis (3.23%, 46/1426) and suspected occupational welder pneumoconiosis (1.82%, 26/1426) . The diagnostic rate required to enter the occupational disease diagnostic program is 36.61% (522/1426) , and the diagnostic rate is 59.20% (309/522) . In 2019, the diagnosis rate of suspected occupational diseases was the lowest (23.92%, 61/255) , Huadu District was the lowest (8.33%, 9/108) , suspected occupational pneumoconiosis was the lowest (28.03%, 44/157) , the diagnosis rate of suspected occupational diseases reported by the Centers for Disease control and prevention was the lowest (17.43%, 19/109) , and the diagnosis rate of suspected occupational diseases reported by outpatient treatment was the lowest (22.22%, 2/9) . The suspected occupational diseases reported by institutions outside Guangzhou did not enter the occupational disease diagnosis procedure. Suspected occupational skin diseases, suspected occupational diseases caused by physical factors and suspected occupational tumors were diagnosed, and the diagnosis rate of occupational disease prevention and control institutions was the highest (94.87%, 37/39) . Conclusion: The main types of suspected occupational diseases reported during these six years are noise deafness, chronic benzene poisoning and pneumoconiosis. The overall diagnosis rate and diagnosis rate of suspected occupational diseases are not high. It is suggested to improve the network direct reporting system of suspected occupational diseases and strengthen the follow-up management and supervision of suspected occupational diseases.

China/epidemiology , Humans , Noise, Occupational , Occupational Diseases/epidemiology , Physical Examination , Pneumoconiosis/epidemiology , Silicosis
Medisur ; 19(3): 530-535, 2021. tab
Article in Spanish | LILACS | ID: biblio-1287335


RESUMEN Fundamento el ruido se incluye dentro de los cinco principales factores de riesgo de naturaleza física para la salud en el medio laboral. Objetivo determinar si la contaminación acústica de la Empresa Productora y Comercializadora de Glucosas, Almidón y Derivados del Maíz, de Cienfuegos sobrepasa los valores máximos admisibles establecidos en la NC 871/11 de Seguridad y Salud en el trabajo. Métodos se realizó un estudio descriptivo, transversal en la Empresa Productora y Comercializadora de Glucosas, Almidón y Derivados del Maíz de Cienfuegos, en el mes de febrero de 2018. En la empresa laboraban 287 trabajadores, de ellos 247 directos a la producción. Las mediciones del nivel sonoro en el área de trabajo se realizaron según la metodología que establece la Norma Cubana vigente NC 19-01-14/83. Se analizaron las variables: nivel sonoro equivalente continuo, expresado en decibeles (dB(A)) y el tiempo de exposición (en horas). Para medir el ruido se utilizó un sonómetro integrador clase 2. Las mediciones se realizaron durante la jornada laboral. Resultados en el generador de vapor, caldera de compresores, área de molinación y generación, recepción de maíz y limpieza, empaque fábrica de pienso, secadores y centrífugas los niveles de ruido sobrepasan los 90 db(a) de exposición. En los previos 2 y 3 del área molinación y generación, los niveles de ruido fueron superiores a los 100 db(a) de exposición. Conclusiones: los niveles de ruido encontrados sobrepasan el valor máximo admisible, lo que pudiera ocasionar consecuencias nocivas en la salud de los trabajadores por lo que se hace necesario intervenir en este medio laboral.

ABSTRACT Foundation: noise is included among the 5 risk factors of physical origin for health in the working environment. Objective: to determine if sound pollution at the Cienfuegos Manufacturing and Marketing Company of glucose, starch and other corn byproducts, exceeds maximum admissible values on NC 871/11 of Health Safety and Health at Work. Methods: a cross descriptive study at the Cienfuegos Manufacturing and Marketing Company of glucose, starch and other corn byproducts was conducted, on February 2018. A number of 287 persons were working, out of them 247 directly in production processes. Measurements of sound levels in the working areas were done according to the valid Cuban standard NC 19-01-14/83. Variables continues equivalent sound level, express in decibels (dB(A) and time of exposure in hours. To measure noise, it was used and integrative sonometer type 2. Measurements were done the during working hours. Results: in the steam generator, compressor boiler, grinding and generation areas, corn reception and cleaning, animal feed factory, dryers and centrifugal equipment noise levels exceed 90 db (a) of exposition. Conclusion: the levels of noise found exceed the admissible maximum which might produce harmful health consequences on workers therefore it is necessary to intervene this working environment

Humans , Occupational Health , Noise Monitoring/analysis , Noise, Occupational/adverse effects , Epidemiology, Descriptive
Rev. CEFAC ; 23(3): e3220, 2021. tab, graf
Article in English | LILACS | ID: biblio-1155336


ABSTRACT Purpose: to validate indicators and parameters to construct an assessment instrument for the Hearing Conservation Program. Methods: methodological research to validate the content and layout of indicators to assess the Hearing Conservation Program, using the Delphi method, as well as the semantic validation of an assessment instrument for the program, in compliance with the procedures used by the European group DISABKIDS. A total of 20 speech-language-hearing therapists participated in the study, answering validation questionnaires. The answers were tabulated and analyzed considering descriptive statistical data, establishing the item content validity index, the scale content validity index, the percentage of absolute agreement, and the content analysis. Results: of the 64 items submitted for validation, two were not considered appropriate. The set of items was considered representative. The validated indicators and parameters provided the means to construct an assessment instrument of the degree of implementation of the Hearing Conservation Program, which proved to be semantically valid. Conclusion: the indicators were validated to meet and represent the functions of quality, control, and follow-up of the Hearing Conservation Program, aiding administrators to carry out their responsibilities and making it possible to construct evaluative instruments.

RESUMO Objetivo: validar indicadores e parâmetros para a construção de um instrumento de avaliação do Programa de Conservação Auditiva. Métodos: pesquisa metodológica de validação de conteúdo e aparência de indicadores para avaliação do Programa de Conservação Auditiva mediante aplicação do método Delphi, bem como a validação semântica de um instrumento de avaliação do programa seguindo os procedimentos adotados pelo grupo europeu DISABKIDS. Participaram do estudo 20 fonoaudiólogos, os quais responderam a questionários de validação. As respostas foram tabuladas e analisadas considerando dados estatísticos descritivos, pelo estabelecimento dos índices de validade de conteúdo por Item (I- IVC), de validade de conteúdo por nível de escala (S-IVC), de nível percentual de concordância absoluta e Análise de Conteúdo. Resultados: dos 64 itens submetidos à validação, dois não foram considerados pertinentes. O conjunto de itens foi considerado representativo. Os indicadores e parâmetros validados subsidiaram a construção de um instrumento para avaliação do grau de implantação do Programa de Conservação Auditiva, o qual se apresentou válido semanticamente. Conclusão: os indicadores foram validados de modo a atender e representar as funções de qualidade, controle e acompanhamento do Programa de Conservação Auditiva, auxiliando os gestores no exercer de suas funções e subsidiando a construção de instrumentos avaliativos.

Humans , Program Evaluation , Surveys and Questionnaires , Hearing Loss, Noise-Induced/prevention & control , Noise, Occupational/prevention & control , Delphi Technique
Rev. CEFAC ; 23(2): e2319, 2021. tab, graf
Article in English | LILACS | ID: biblio-1155334


ABSTRACT Objective: to verify a possible association between hearing loss and dysphonia, arterial hypertension, diabetes mellitus, thyroid diseases, and noise complaints. Methods: a cross-sectional study involving 60 teachers, mean age 47.05 years. Pure-tone threshold audiometry was used to assess hearing, the voice questionnaire and voice acoustic evaluation were used for voice perception and quality, and the standardized questionnaire verified noise complaint and comorbidities. The statistical analysis was conducted with Mann-Whitney and Fisher's exact tests and multivariate linear regression. Results: there was a significant association between hearing loss and diabetes mellitus, hypertension, and thyroid disease (both p <0.0001), but there was no association between noise complaints and hearing loss in this population. The regression showed that dysphonia (p = 0.0311) and diabetes mellitus (p = 0.0302) are independent risk factors for hearing loss. A correlation was found between hearing loss and voice characteristics: roughness, breathiness, tension, and resonance. Conclusion: this study showed that hypertension and thyroid diseases are factors associated with hearing loss. In addition, dysphonia and diabetes mellitus are independent factors associated with hearing loss in teachers. These results show the need for policies aimed at promoting teachers' health.

RESUMO Objetivo: verificar possível associação da perda auditiva com disfonia, hipertensão arterial (HA), diabetes mellitus (DM), doenças da tireoide e queixas de ruído. Métodos: estudo transversal envolvendo 60 professores, média de idade de 47,05 anos. Foi avaliada a audição por meio da Audiometria tonal limiar, a percepção e qualidade vocal com o questionário vocal e a avaliação vocal acústica, enquanto a queixa de ruído e as comorbidades envolvidas foram investigadas com o questionário padronizado. A análise estatística utilizou os testes Ex-act de Mann Whitney, Fisher e regressão linear multivariada. Resultados: houve associação significante entre perda auditiva e DM, HA e doenças da tireoide (ambas p <0,0001), mas não foi encontrada associação entre queixa de ruído e perda auditiva nesta população. A regressão mostrou que as variáveis disfonia (p = 0,0311) e DM (p = 0,0302) são fatores de risco independentes para perda auditiva. Houve correlação entre perda auditiva e as características vocais rugosidade, soprosidade, tensão e ressonância. Conclusão: este estudo demostrou que HA e doenças da tireoide são fatores associados a perda auditiva, além disso a disfonia e DM se constituem em fatores associados independentes para a perda auditiva em professores. Estes resultados mostram a necessidade de políticas direcionadas a promoção da saúde do professor.

Humans , Male , Female , Middle Aged , Hearing Loss/etiology , Audiometry, Pure-Tone , Thyroid Diseases/complications , Cross-Sectional Studies , Risk Factors , Diabetes Mellitus , Dysphonia/complications , Hearing Loss/diagnosis , Hypertension/complications , Noise, Occupational/adverse effects
Rev. CEFAC ; 23(1): e0719, 2021. tab
Article in English | LILACS | ID: biblio-1143683


ABSTRACT Purpose: to determine the auditory effects of noise exposure from recreational and occupational sources among dentistry students. Methods: forty-two dentistry students, routinely exposed to occupational noise, and 72 students from other health science schools were recruited (control group). Audiometric testing, otoacoustic emissions and questionnaires to assess recreational and occupational noise were applied to the sample. The presence of a notch was determined for each participant audiometry´s test based on the criteria proposed by Coles et al. Differences in notch prevalence were analyzed by applying univariate regression models as well as a multivariate model adjusted by covariates. Results: non-significant differences in auditory thresholds between groups were found. The controls exhibited a significantly higher prevalence of a notch at 4 kHz than the group exposed to noise. However, the differences were not statistically significant in the multivariate model adjusted by recreational noise exposure. Conclusions: the occupational noise exposure was not significantly associated to auditory system dysfunction. In addition, the differences in notch prevalence could be related to recreational noise exposure.

RESUMEN Objetivo: determinar los efectos auditivos producto de la exposición a ruido recreacional y ocupacional en estudiantes de Odontología. Métodos: se reclutó a 42 estudiantes de odontología expuestos rutinariamente a ruido ocupacional, y a 72 estudiantes de otras carreras del área de la salud (grupo control). Se evaluó mediante audiometría, emisiones otoacústicas, junto con aplicar cuestionarios para determinar la exposición a ruido ocupacional y recreacional. A partir de los umbrales audiométricos e determinó la presencia de escotoma usando el criterio de Coles et al. Se analizaron las diferencias en prevalencia de escotomas entre los grupos mediante regresiones logísticas, ajustando por otras variables. Resultados: no existieron diferencias significativas en los umbrales audiométricos entre los grupos estudiados. El grupo control mostró mayor prevalencia de escotoma en 4 kHz al ajustar por sexo y edad, sin embargo, dejó de ser significativa al ajustar adicionalmente por exposición a ruido recreacional. Conclusiones: la exposición a ruido ocupacional no se asoció a alteraciones auditivas. Además, las diferencias en prevalencia de escotomas estarían relacionadas a exposición a ruido recreacional.

Humans , Male , Female , Adult , Young Adult , Students, Dental/statistics & numerical data , Hearing Loss, Noise-Induced/diagnosis , Noise, Occupational/statistics & numerical data , Audiometry , Case-Control Studies , Cross-Sectional Studies , Otoacoustic Emissions, Spontaneous
Rev. CEFAC ; 23(1): e7620, 2021. tab, graf
Article in English | LILACS | ID: biblio-1155324


ABSTRACT Purpose: to assess the implementation of hearing conservation programs in two large companies. Methods: an evaluative research that analyzed a type 1b implementation. The study was conducted in three stages, namely: establishing the company's degree of implementation, analyzing the companies' policies and structures, and lastly, analyzing the influence of the companies' policies and structures on their degree of implementation. The following analyses were conducted to collect data: interviews, document analysis, and observation. Results: the hearing conservation program in Company A was classified as implemented (91.1%), while in Company B, it was partially implemented (62.7%). The context in Company A was favorable to implementing the program, whereas in Company B, the context was considered unfavorable, due to disadvantageous categories. Also, the characteristics of the implementation context influenced the placement of the program either positively or negatively. Conclusion: there were satisfactory results regarding the implementation of the hearing conservation program in both companies assessed.

RESUMO Objetivo: avaliar a implantação do programa de conservação auditiva em duas empresas de grande porte. Métodos: trata-se de uma pesquisa avaliativa de análise de implantação do tipo 1b. O estudo foi conduzido em três etapas, sendo: determinação do grau de implantação do Programa de Conservação Auditiva das empresas avaliadas; análise dos contextos políticos e estruturais das empresas avaliadas; e, por fim, uma análise da influência dos contextos políticos e estruturais no grau de implantação nas empresas avaliadas. Foram realizadas as seguintes análises para coleta dos dados: entrevistas, análise documental e observacional. Resultados: o Programa de Conservação Auditiva na 'empresa A' foi classificado como 'implantado' (91,1%) e na 'empresa B' como 'parcialmente implantado' (62,7%). O contexto de implantação da 'empresa A' se apresentou favorável à implantação do programa. Já na 'empresa B' o contexto foi considerado desfavorável, tendo categorias não favoráveis. Foi possível relacionar, também, que as características do contexto de implantação influenciaram positiva ou negativamente na implantação do programa. Conclusão: houve resultados satisfatórios quanto à implantação do Programa de Conservação Auditiva em ambas as empresas avaliadas.

Humans , Program Evaluation/statistics & numerical data , Hearing Loss, Noise-Induced/prevention & control , Noise, Occupational/prevention & control , Private Sector , Noise Monitoring , Models, Theoretical
Epidemiol. serv. saúde ; 30(2): e2020607, 2021. tab, graf
Article in English, Portuguese | LILACS | ID: biblio-1249801


Objetivo: Investigar fatores associados à notificação de perda auditiva induzida por ruído (Pair), no Sistema de Informação de Agravos de Notificação no Brasil. Métodos: Estudo ecológico para estimar a proporção de municípios notificantes de Pair. Foram empregados modelos de regressão logística para identificar fatores associados. Resultados: Entre 2013 e 2015, 277 (5,0%) municípios notificaram Pair. A notificação foi mais comum entre municípios com cobertura por Cerest (OR=1,62 - IC95% 1,02;2,59) ou que sediavam unidade de Cerest em seu território (OR=4,37 - IC95% 2,75;6,93), a menor distância da capital do estado (OR=1,43 - IC95% 1,06;1,92) e com alto índice de desenvolvimento humano (OR=2,35 - IC95% 1,16;4,75). Entre os municípios situados em área com cobertura de Cerest, a notificação foi mais comum quando na equipe havia fonoaudiólogo (OR=1,96 - IC95% 1,47;2,63) e era baixa a rotatividade de profissionais (OR=1,88 - IC95% 1,40;2,52). Conclusão: Fatores contextuais influenciam na notificação de Pair, notadamente a existência e qualificação dos Cerest.

Objetivo: Investigar factores asociados con la notificación de pérdida auditiva inducida por ruido (Pair) en el Sistema de Información de Agravamientos de Notificación Obligatoria en Brasil. Métodos: Estudio ecológico para estimar la proporción de municipios notificantes de Pair. Se utilizaron modelos de regresión logística para identificar factores asociados. Resultados: Entre 2013-2015, 277 (5,0%) municipios notificaron Pair. La notificación fue más común entre los municipios con cobertura de los Centros de Referencia en Salud Ocupacional (Cerest) (OR=1,62 - IC95% 1,02; 2,59), o que albergaron Cerest (OR=4,37 - IC95% 2,75; 6,93), cercanos a la capital (OR=1,43 - IC95% 1,06; 1,92) y con alto índice de desarrollo humano (OR=2,35 - IC95% 1,16; 4,75). Entre los municipios en área de cobertura de Cerest, la notificación fue más alta cuando había fonoaudiólogo en el equipo (OR=1,96 - IC95% 1,47; 2,63) y baja rotación de profesionales (OR=1,88 - IC95% 1,40; 2,52). Conclusión: Factores contextuales influyen en la notificación de Pair, en particular, la existencia y cualificación de los Cerest.

Objective: To investigate factors associated with the notification of noise-induced hearing loss (NIHL), on the Notifiable Health Conditions Information System (SINAN) in Brazil. Methods: This was an ecological study to estimate the proportion of municipalities that had notified NIHL. Logistic regression models were used to identify associated factors. Results: Between 2013-2015, 277 (5.0%) municipalities notified NIHL. Notification was more prevalent among municipalities in an Occupational Health Referral Center (CEREST) coverage area (OR=1.62 - 95%CI 1.02;2.59) or those that had a CEREST in their territory (OR=4.37 - 95CI% 2.75;6.93), those that were closer to the state capital (OR=1.43 - 95%CI 1.06;1.92) and those with a high human development index (OR=2.35 - 95%CI 1.16;4.75). Among the municipalities located in a CEREST coverage area, notification was more frequent when there was a speech-language-hearing professional in the team (OR=1.96 - 95%CI - 1.47;2.63) and when employee turnover was low (OR=1.88 - 95%CI 1.40;2.52). Conclusion: Contextual factors influence NIHL notification, particularly the presence of CERESTs and their qualification.

Humans , Occupational Health/standards , Hearing Loss, Noise-Induced/epidemiology , Noise, Occupational/adverse effects , Brazil/epidemiology , Information Systems , Public Health Surveillance
Article in Chinese | WPRIM | ID: wpr-888295


Occupational noise is one of the most common occupational hazards in the workplace. Long-term exposure to occupational noise could not only lead to the damage of the hearing system, but also may cause a certain impact on the cardiovascular system. Studies have shown that occupational noise exposure was positively associated with cardiovascular diseases, including hypertension, coronary heart disease and myocardial infarction. However, the results of studies on occupational noise exposure and stroke are still controversial. This paper reviews the relationship between occupational noise exposure and hypertension, coronary heart disease, stroke, myocardial infarction by summarizing the epidemiological data of domestic and foreign population in recent years. Our study could provide evidence for the design and implementation of well-designed epidemiological and mechanism studies, and the recognition of the role of occupational noise exposure in the occurrence and development of cardiovascular diseases, so as to better protect workers' health.

Cardiovascular Diseases/etiology , Hearing Loss, Noise-Induced , Humans , Hypertension/etiology , Noise, Occupational/adverse effects , Occupational Diseases , Occupational Exposure/adverse effects
Article in Chinese | WPRIM | ID: wpr-888294


Non-steady state noise has become the main type of workplace noise. Compared with steady state noise, non-steady state noise may cause more serious hearing loss. This paper reviews the new situation of occupational hearing loss caused by non-steady state noise exposure, the overview of international noise exposure assessment standards and new challenges, and the new evidence of non-steady state noise induced hearing loss, so as to provide the basis for the future research of non-steady state noise induced hearing loss.

Auditory Threshold , Hearing Loss, Noise-Induced , Humans , Noise , Noise, Occupational/adverse effects , Occupational Diseases/epidemiology
Article in Chinese | WPRIM | ID: wpr-888276


According to the research on the pathogenesis of the hidden hearing loss in recent years, the occurrence of the hidden hearing loss is earlier than the permanent hearing threshold shift. This paper reviews the risk factors of hidden hearing loss, the pathogenesis of noise-induced hidden hearing loss, and the detection methods of hidden hearing loss. To explore the significance of hidden hearing loss in occupational health surveillance, and to provide reference for hearing protection of workers exposed to noise and hearing loss early in the future.

Hearing , Hearing Loss, Noise-Induced , Humans , Noise, Occupational , Occupational Diseases , Occupational Exposure , Occupational Health
Cad. Saúde Pública (Online) ; 37(10): e00202220, 2021. tab
Article in Portuguese | LILACS | ID: biblio-1339525


O objetivo deste estudo foi estimar a associação entre dificuldade auditiva autorreferida e exposição ocupacional a agentes otoagressores em trabalhadores brasileiros. Trata-se de um estudo transversal realizado com dados da Pesquisa Nacional de Saúde (PNS-2013). A variável dependente foi a dificuldade auditiva autorreferida, e foram analisadas três exposições principais: ruído, poeira industrial e substâncias químicas. Realizou-se análise de regressão logística, estimando-se as odds ratio (OR) brutas e ajustadas, com intervalos de 95% de confiança (IC95%). As variáveis principais de exposição foram ajustadas entre si e pelas covariáveis sexo, idade, ambiente de trabalho, tempo de trabalho e hipertensão arterial. Participaram deste estudo 36.442 trabalhadores. Maior prevalência de dificuldade auditiva foi observada em indivíduos expostos à poeira industrial (9,9%) (p < 0,001). Além disso, quanto maior a idade do trabalhador e tempo de trabalho, maior foi a prevalência do desfecho (p < 0,001). Na análise ajustada, trabalhadores expostos a ruído apresentaram 1,65 vez mais chance de referir dificuldade auditiva, quando comparados aos indivíduos não expostos (p < 0,001). O mesmo ocorreu com trabalhadores expostos à poeira industrial (OR = 1,36) (p = 0,012). Não foi observada associação entre o desfecho e a variável exposição a substâncias químicas (p = 0,120). Observou-se associação entre dificuldade auditiva e exposição ocupacional a ruído e à poeira industrial em trabalhadores brasileiros. Reforçam-se a importância do aprimoramento de políticas públicas em saúde auditiva e o desenvolvimento de ações voltadas à prevenção e ao monitoramento auditivo em ambiente ocupacional.

This study's objective was to estimate the association between self-reported hearing impairment and occupational exposure to hazardous noise and ototoxic agents in Brazilian workers. This was a cross-sectional study with data from the Brazilian National Health Survey (PNS-2013). The dependent variable was self-reported hearing impairment, and three principal exposures were analyzed: noise, industrial dust, and chemical substances. Logistic regression was performed, estimating crude and adjusted odds ratios (OR) with 95% confidence intervals (95%CI). The principal exposure variables were adjusted for each other and by covariables sex, age, workplace, time on the job, and hypertension. 36,442 workers participated in the study. Higher prevalence of hearing impairment was seen in workers exposed to industrial dust (9.9%) (p < 0.001). The older the worker and the longer the time on the job, the higher the prevalence of hearing impairment (p < 0.001). In the adjusted analysis, workers exposed to noise showed 1.65 higher odds of reporting difficulty hearing, when compared to unexposed individuals (p < 0.001). The same was true for workers exposed to industrial dust (OR = 1.36) (p = 0.012). No association was observed between the outcome and exposure to chemical substances (p = 0.120). There was an association between hearing impairment and occupational exposure to noise and industrial dust in Brazilian workers. This emphasizes the importance of strengthening public policies for hearing health and the development of measures for prevention and auditory monitoring in the workplace.

El objetivo de este estudio fue estimar la asociación entre dificultad auditiva autoinformada y la exposición ocupacional a agentes otoagresores en trabajadores brasileños. Se trata de un estudio transversal, realizado con datos de la Encuesta Nacional de Salud (PNS-2013). La variable dependiente fue la dificultad auditiva autoinformada y se analizaron tres exposiciones principales: ruido, polvo industrial y substancias químicas. Se realizó un análisis de regresión logística, estimándose las odds ratio (OR) brutas y ajustadas, con intervalos de un 95% de confianza (IC95%). Las variables principales de exposición fueron ajustadas entre sí y por las covariables: sexo, edad, ambiente de trabajo, tiempo de trabajo e hipertensión arterial. Participaron en este estudio 36.442 trabajadores. La mayor prevalencia de dificultad auditiva se observó en individuos expuestos al polvo industrial (9,9%) (p < 0,001). Asimismo, cuanto mayor era la edad del trabajador y tiempo de trabajo, mayor fue la prevalencia del desenlace (p < 0,001). En el análisis ajustado, los trabajadores expuestos a ruido presentaron 1,65 veces más oportunidad de informar de dificultad auditiva, cuando se comparan con los individuos no expuestos (p < 0,001). Lo mismo sucedió con trabajadores expuestos a polvo industrial (OR = 1,36) (p = 0,012). No se observó una asociación entre el desenlace y la variable exposición a sustancias químicas (p = 0,120). Se observó una asociación entre dificultad auditiva y exposición ocupacional a ruido y polvo industrial en trabajadores brasileños. Se refuerza la importancia del perfeccionamiento de políticas públicas en salud auditiva y desarrollo de acciones dirigidas a la prevención y monitoreo auditivo en el entorno laboral.

Humans , Occupational Exposure/statistics & numerical data , Hearing Loss/chemically induced , Hearing Loss/epidemiology , Noise, Occupational/adverse effects , Occupational Diseases/chemically induced , Occupational Diseases/epidemiology , Brazil/epidemiology , Cross-Sectional Studies , Self Report
Distúrb. comun ; 32(3): 414-424, set. 2020. tab, ilus
Article in Portuguese | LILACS | ID: biblio-1397732


O ruído ocupacional representa um risco à saúde dos trabalhadores, como perda auditiva e zumbido, ainda muito predominante em diversos ambientes e processos. O presenteísmo é definido como um fenômeno em que o trabalhador se encontra fisicamente no trabalho, mas por diversos fatores tem sua concentração e dedicação prejudicadas na realização da atividade. Este estudo tem como objetivo identificar que fatores estão associados, incluindo aqueles relacionados à exposição ao ruído, à ocorrência de presenteísmo. O estudo se caracteriza como exploratório, com abordagem quantitativa. No delineamento foi realizado um estudo de caso em uma empresa localizada no Vale do Paraíba, com uma amostra de 23 trabalhadores da indústria da mineração. Os dados foram obtidos por meio da aplicação do protocolo Work Limitations Questionnaire de presenteísmo e de questionário de dados sociodemográficos. A análise de associação dos desfechos foi realizada por meio de regressão logística múltipla. Foi possível verificar que, a demanda física foi a que teve maior escore, bem como o fator zumbido pode ser considerado como variável que influencia o presenteísmo.

Occupational noise represents a risk to workers' health, such as hearing loss and tinnitus, still very prevalent in various environments and processes. Presenteeism is defined as a phenomenon in which the worker is physically at work, but due to various factors, his concentration and dedication are impaired in performing the activity. This study aims to identify which factors are associated, including those related to noise exposure, to the occurrence of presenteeism. The study is characterized as exploratory, with quantitative approach. In the design a case study was carried out in a company located in the Vale do Paraíba, with a sample of 23 workers from the mining industry. Data were obtained by applying the Work Limitations Questionnaire presenteeism protocol and the sociodemographic data questionnaire. The outcome association analysis was performed by multiple logistic regression. It was possible to verify that the physical demand was the one with the highest score, and the tinnitus factor can be considered as a variable that influences the presenteeism.

El ruido laboral representa un riesgo para la salud de los trabajadores, como la pérdida de audición y el tinnitus, que sigue siendo muy frecuente en diversos entornos y procesos. El presentismo se define como un fenómeno en el que el trabajador está físicamente en el trabajo, pero debido a varios factores, su concentración y dedicación se ven perjudicados para realizar la actividad. Este estudio tiene como objetivo identificar qué factores están asociados, incluidos los relacionados con la exposición al ruido, a la ocurrencia de presentismo. El estudio se caracteriza por ser exploratorio, con enfoque cuantitativo. En el diseño se realizó un estudio de caso en una empresa ubicada en Vale de Paraíba, con una muestra de 23 trabajadores de la industria minera. Los datos se obtuvieron aplicando el protocolo de presentismo WLQ y el cuestionario de datos sociodemográficos. El análisis de asociación de resultados se realizó mediante regresión logística múltiple. Fue posible verificar que la demanda física fue la que obtuvo la puntuación más alta, y el factor tinnitus puede considerarse como una variable que influye en el presentismo.

Humans , Male , Female , Occupational Health , Presenteeism , Noise, Occupational , Tinnitus/etiology , Surveys and Questionnaires , Hearing Loss, Noise-Induced/etiology , Mining
Rev. Asoc. Odontol. Argent ; 108(2): 80-87, mayo-ago. 2020.
Article in Spanish | LILACS | ID: biblio-1121640


La relación entre la exposición a los ruidos y la pérdida auditiva se considera desde hace muchos años. La comunidad odontológica no está exenta de este problema, ya que los profesionales trabajan a diario, y durante tiempos prolongados, con instrumentos ruidosos. Esta revisión bibliográfica tiene como propósito realizar una actualización acerca del riesgo de pérdida auditiva inducida por ruido en el personal que trabaja en la clínica odontológica. En la actualidad, se afirma que los odontólogos y el personal en la clínica dental corren el riesgo de contraer diversas patologías auditivas ­como es el caso de la hipoacusia­ debido al ruido que producen los equipos de alta velocidad. Las enfermedades profesionales del tipo auditivas que se abordan en este trabajo constituyen factores que comprometen no solo el buen estado de salud de los odontólogos y demás profesionales, sino su calidad de vida (AU)

The relationship between noise exposure and hearing loss has been known for many years. The dental community is not exempt from this problem, because they work every day and for long periods of time with noisy instruments. This literature review aims to update the risk of noise-induced hearing loss in personnel working in the dental clinic. The risk to which dentists and staff in the dental clinic are subjected to the high-speed and other noisy equipment is well known, and that can cause various auditory problems such as hearing loss. The occupational diseases of the auditory type that were addressed in this article constitute factors that compromise not only the good state of health of dentists and other professionals who work in similar conditions, but also in their quality of life (AU)

Humans , Dental High-Speed Equipment/adverse effects , Dental Clinics/standards , Dentistry , Hearing Loss, Noise-Induced , Noise, Occupational , Occupational Diseases , Quality of Life , World Health Organization , Noise Measurement
Braz. j. otorhinolaryngol. (Impr.) ; 86(3): 294-299, May-June 2020. tab, graf
Article in English | LILACS | ID: biblio-1132593


Abstract Introduction: South Africa has a high prevalence of co-existing tuberculosis and HIV. As ototoxicity linked to the treatments for these conditions occurs with concomitant exposure to other ear toxins such as hazardous noise exposure, it is important to investigate the combination impact of these toxins. Limited published evidence exists on the co-occurrence of these conditions within this population. Objectives: The objective of this study was to compare the hearing function of gold miners with (treatment group) and without (non-treatment group) the history of tuberculosis treatment, in order to determine which group had increased risk of noise induced hearing loss. Furthermore, possible influence of age and HIV in these two groups was examined. Methods: A retrospective record review of 102 miners' audiological records, divided into two groups, was conducted, with data analyzed both qualitatively and quantitatively. Results: Findings suggest that gold miners with a history of tuberculosis treatment have worse hearing thresholds in the high frequencies when compared to those without this history; with evidence of a noise induced hearing loss notch at 6000 Hz in both groups. Pearson's correlations showed values between 0 and 0.3 (0 and −0.3) which are indicative of a weak positive (negative) correlation between HIV and hearing loss, as well as between hearing loss and age in this population. Conclusions: Current findings highlight the importance of strategic hearing conservation programs, including ototoxicity monitoring, and the possible use of oto-protective/chemo-protective agents in this population.

Resumo Introdução: A África do Sul apresenta uma alta prevalência de coinfecção de tuberculose e HIV. Como a ototoxicidade associada aos tratamentos para essas condições é observada na exposição concomitante a outros agentes ototóxicos, como a exposição a ruídos perigosos, é importante investigar o impacto da combinação desses agentes. São poucas as evidências publicadas sobre a co-ocorrência dessas condições nessa população. Objetivo: Comparar a função auditiva de garimpeiros com (grupo tratamento) e sem (grupo sem tratamento) história de tratamento de tuberculose, a fim de determinar que grupo apresentava maior risco de perda auditiva induzida por ruído. Além disso, avaliou-se a possível influência da idade e do HIV nesses dois grupos. Método: Os registros audiológicos de 102 garimpeiros, divididos em dois grupos, foram revisados de forma retrospectiva; os dados foram qualitativa e quantitativamente analisados. Resultados: Os achados indicam os garimpeiros com histórico de tratamento de tuberculose apresentam piores limiares auditivos nas altas frequências quando comparados àqueles sem esse histórico; em ambos os grupos, observou-se perda auditiva induzida por ruído com entalhe audiométrico a 6.000 Hz. As correlações de Pearson mostraram valores entre 0 e 0,3 (0 e -0,3), que são indicativos de uma fraca correlação positiva (negativa) entre o HIV e a perda auditiva, bem como entre a perda auditiva e a idade nessa população. Conclusões: Os resultados atuais destacam a importância de programas estratégicos de conservação auditiva, inclusive monitoramento de ototoxicidade, e o possível uso de agentes oto-/quimioprotetores nessa população.

Humans , Adolescent , Adult , Middle Aged , Young Adult , Tuberculosis/epidemiology , Occupational Exposure/adverse effects , Gold , Hearing Loss, Noise-Induced/epidemiology , Mining , Noise, Occupational/adverse effects , Occupational Diseases/epidemiology , South Africa/epidemiology , Prevalence , Cross-Sectional Studies , Retrospective Studies , Risk Factors , Hearing Loss, Noise-Induced/diagnosis , Hearing Tests
Braz. j. otorhinolaryngol. (Impr.) ; 86(3): 370-375, May-June 2020. tab, graf
Article in English | LILACS | ID: biblio-1132588


Abstract Instruction: Noise-induced hearing loss is a leading occupational disease caused by gene-environment interaction. The Grainy Like 2, GRHL2, is a candidate gene. In this regard, many studies have evaluated the association between GRHL2 and noise-induced hearing loss, although the results are ambiguous and conflicting. Objective: The purpose of this study was to identify a precise estimation of the association between rs3735715 polymorphism in GRHL2 gene and susceptibility of noise-induced hearing loss. Methods: A comprehensive search was performed to collect data up to July 8, 2018. Finally, 4 eligible articles were included in this meta-analysis comprising 2410 subjects. The pooled odds ratios with 95% confidence intervals were used to evaluate the strength of the association. Results: Significant association was found in the overall population in the dominant model (GA/AA vs. GG, odds ratio = 0.707, 95% confidence interval = 0.594-0.841) and allele model (G allele vs. A allele, odds ratio = 1.189, 95% confidence interval = 1.062-1.333). When stratified by source of the subjects, we also found association between rs3735715 and noise-induced hearing loss risk in the dominant model (GA/AA vs. GG, odds ratio = 0.634, 95% confidence interval = 0.514-0.783) and allele model (G allele vs. A allele, odds ratio = 1.206, 95% confidence interval = 1.054-1.379). Conclusion: Rs3735715 polymorphism in GRHL2 gene may influence the susceptibility of noise-induced hearing loss. Additional large, well-designed and functional studies are needed to confirm this association in different populations.

Resumo Introdução: Perda auditiva induzida por ruído é uma das principais doenças ocupacionais causadas pela interação gene-ambiente. O Grainy Like 2, ou GRHL2 é um gene que tem sido considerado como candidato. Nesse sentido, muitos estudos avaliaram a associação entre o GRHL2 e perda auditiva induzida por ruído, embora os resultados sejam ambíguos e conflitantes. Objetivo: Identificar uma estimativa precisa da associação entre o polimorfismo rs3735715 no gene GRHL2 e a suscetibilidade à perda auditiva induzida por ruído. Método: Uma pesquisa abrangente foi feita para coletar dados até 8 de julho de 2018. No fim, quatro artigos elegíveis foram incluídos nesta metanálise, abrangeram 2.410 indivíduos. As odds ratios agrupadas com intervalos de confiança de 95% foram usadas para avaliar a força da associação. Resultados: Uma associação significante foi encontrada na população geral no modelo de dominância (GA/AA vs. GG, odds ratio = 0,707, intervalo de confiança 95% = 0,594-0,841) e modelo de alelo (alelo G vs. alelo A; odds ratio = 1,189, intervalo de confiança 95% = 1,062 a 1,333). Quando estratificados pelo local de trabalho dos indivíduos, também encontramos associação entre rs3735715 e risco de perda auditiva induzida por ruído no modelo de dominância (GA/AA vs. GG, odds ratio = 0,634, intervalo de confiança 95% = 0,514 ± 0,783) e modelo de alelo (alelo G vs. alelo A; odds ratio = 1,206, intervalo de confiança 95% = 1,054- 1,379). Conclusão: O polimorfismo Rs3735715 no gene GRHL2 pode influenciar a suscetibilidade à perda auditiva induzida por ruído. Estudos adicionais, amplos, bem desenhados e funcionais são necessários para confirmar essa associação em diferentes populações.

Humans , Transcription Factors/genetics , Genetic Predisposition to Disease/genetics , Polymorphism, Single Nucleotide/genetics , DNA-Binding Proteins/genetics , Hearing Loss, Noise-Induced/genetics , Genotype , Noise, Occupational/adverse effects , Occupational Diseases/genetics