Modificação do perfil da silicose na mineração subterrânea de ouro em Minas Gerais

Silva, Leandro Liberino; Lima, Leandro Portes Cury; Barbosa, Cristovam Chiaradia; Machado, Aluisio Diniz; Mosci, Adriano Starling; Silva, Francisco das Chagas Lima e; Torre, Danielle Nunes Pinto Della; Silveira, Andréa Maria; Carneiro, Ana Paula Scalia

doi:10.1590/2317-6369000008117

Cited by 7 publications

(12 citation statements)

References 21 publications

(33 reference statements)

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“…Quanto às características metodológicas averiguou-se que quatro artigos foram do tipo transversal e realizados em Minas Gerais, bem como, apenas um estudo foi uma série de casos (Tabela 2). 2017), embora a adoção de novas tecnologias e mudanças nos processos de trabalho esteja colaborando para a redução progressiva dos níveis de exposição à poeira no decorrer dos anos (SILVA; LIMA; BARBOSA et al, 2018).…”

Section: Resultsunclassified

“…São diversos os tipos de pneumoconioses existentes que apresentam etiologias distintas, a saber: talcose, silicatose, siderose, baritose, estanhose, pneumoconiose de poeira mista, do carvão (PTC), asbestose e silicose. Esta última é a pneumopatia ocupacional mais frequente (KUMAR, 2013;ROSENMAN, 2018) e prevalente no Brasil (SILVA;LIMA;BARBOSA et al, 2018).…”

Section: Introductionunclassified

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Pneumoconiose Em Trabalhadores Brasileiros: O Que Diz a Literatura Atual?

Santos

Silva

Silva³

2021

Edu., Ciência e Saúde

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Analisar as evidências científicas a respeito das pneumoconioses em trabalhadores brasileiros, publicadas nacional e internacionalmente. Trata-se de uma revisão integrativa da literatura, realizada no bancos de dados: LILACS, BDENF, SciELO, Google Acadêmico e no portal PubMed. A pesquisa foi feita em dezembro de 2020 utilizando os descritores "Pneumoconiose" AND "Brasil", "Pneumoconiosis" AND "Brazil", e termos "Doenças respiratórias relacionadas ao trabalho" OR "Doenças respiratórias ocupacionais" AND "Brasil", "Work-related Respiratory Diseases" OR "Occupational Respiratory Diseases" AND "Brazil" em todas as bases de dados. Cinco artigos atenderam aos critérios de inclusão, foram selecionados e responderam à seguinte pergunta condutora: quais são as evidências científicas acerca das pneumoconioses nos trabalhadores brasileiros? Os estudos foram realizados, em sua maioria, em Minas Gerais, um dos estados brasileiros, com número expressivo de casos de silicose notificados, e estudaram principalmente a prevalência, os riscos e os diagnósticos relacionados à silicose. A silicose apresenta alta prevalência nos estudos e que requer medidas de prevenção e controle para se manter os ambientes onde há exposição às poeiras dentro dos limites toleráveis pela legislação.

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Section: Resultsunclassified

Section: Introductionunclassified

Pneumoconiose Em Trabalhadores Brasileiros: O Que Diz a Literatura Atual?

Santos

Silva

Silva³

2021

Edu., Ciência e Saúde

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“…The absence of a downward trend in the age group of 70 and older (Figure 1) possibly still reflects the prevalence of chronic silicosis cases in retired workers from industries like gold mining or ceramics, where no significant decline in mortality rates was observed (Figure 2). It is likely that, in the coming years, there will be a decrease in silicosis deaths in the gold mining industry, as there has been an evident decrease in the diagnosis of new cases from 2000s onwards 19 …”

Section: Discussionmentioning

confidence: 99%

Mortality from silicosis in Brazil: Temporal trends in the period 1980–2017

Algranti

Saito

Carneiro

et al. 2021

American J Industrial Med

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Background: Silicosis is the most prevalent pneumoconiosis in Brazil. We aimed to estimate mortality rates and temporal trends for silicosis, and to identify areas of highest mortality. Methods: Records of silicosis as the underlying (1980-2017) or contributory (2000-2017) cause of death in adults aged 20 years and older were retrieved from the Brazilian Mortality Database. Age-standardized mortality rates (ASMR) were calculated. The annual trend in ASMR was analyzed by joinpoint regression. Mortality rates per 100,000 person-years were calculated for each municipality. We analyzed temporal trends in municipalities where similar activities with exposure to silica were performed. Results: There were 3164 death records (96.6% men) distributed over 14% of the municipalities. Mean age of death was 59.2 (SD 15.1) and mean ASMR was 0.085/100,000 (confidence interval 0.080-0.091). Joinpoint regression showed a significant increase in ASMR from 1980 to 2006 and a significant decrease after 2006 driven by a decline in deaths of individuals younger than 70 years. The highest mortality rate was 21.83/100,000 person-years, in a municipality with small mining operations for gems. Gold mining municipalities showed the highest composite death rate, 4.0/100,000 person-years. Tuberculosis was the main cause of death when silicosis was a contributing cause. Conclusions: In contrast with developed countries, silicosis mortality in Brazil increased to 2006 and subsequently started to drop, mostly from a plateau or decrease in deaths occurring in municipalities which regulated economic activities. However, this decrease did not occur in the older age group nor in the unregulated sector, the latter being the main challenge for exposure control and surveillance.

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“…Silicosis is an occupational fibrotic lung disease with a strong dose–response relationship 3 4. In Brazil, silicosis is the most frequent pneumoconiosis and represents the main cause of disability among occupational respiratory diseases 5.…”

Section: Introductionmentioning

confidence: 99%

“…Underground gold mining was the main driver of silicosis cases until the beginning of the 1990s when mechanisation of the process increased and working conditions improved. This was reflected in a decrease in cases of silicosis and, consequently, in lawsuits for compensation, whereas, in recent decades, cases in informal workers from artisanal mining and precious and semi-precious stone work were the main sources 4 5…”

Section: Introductionmentioning

confidence: 99%

Volume-based tomography for the diagnosis of incipient silicosis in former gold miners

Carneiro¹,

Silva

et al. 2022

Occup Environ Med

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ObjectiveTo evaluate silicosis diagnosed through CT, with integration of clinical-occupational data, in silica-exposed workers presenting chest X-rays within International Labor Organization (ILO) category 0.MethodsCross-sectional study with 339 former gold miners, with comparable exposures and X-rays classified as ILO subcategory 0/0 (n=285) and 0/1 (n=54) were submitted to volume-based CT. The findings were classified according to the International Classification of HRCT CT for Occupational and Environmental Respiratory Diseases.ResultsA profusion degree of round opacities (RO)>1 was found in 22.4% (76/339) of the CT exams. After integrating the CT findings with clinical and occupational data, silicosis was diagnosed as follows: 43/285 (15.1%) and 14/54 (25.9%) in workers whose X-rays had been classified as 0/0 and 0/1, respectively. There was an upward trend towards longer exposures, reaching 38.9% when working more than 10 years underground and classified as 0/1 (p=0019). Those with presence of RO whose final diagnosis was not silicosis were mainly cases of tuberculosis or ‘indeterminate nodules’. Emphysema was found in 65/339 (19.1%), only 5 being detected in the X-ray.ConclusionVolume-based CT proved to be useful in the investigation of silicosis among individuals with a relevant exposure to silica, capturing diagnoses that had not been identified on X-rays. A response gradient of silicosis was showed by CT even in this population with ILO category 0 radiographs. It can be indicated based on quantitative and/or qualitative criteria of occupational exposure, especially considering the possibilities of low CT dosage.

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Modificação do perfil da silicose na mineração subterrânea de ouro em Minas Gerais

Cited by 7 publications

References 21 publications

Pneumoconiose Em Trabalhadores Brasileiros: O Que Diz a Literatura Atual?

Pneumoconiose Em Trabalhadores Brasileiros: O Que Diz a Literatura Atual?

Mortality from silicosis in Brazil: Temporal trends in the period 1980–2017

Volume-based tomography for the diagnosis of incipient silicosis in former gold miners

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