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RISS 인기검색어
- 검색키워드
- 저자 : Deborah H. Yates (검색결과 4 건)
- 무료
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Lung Function Profiles among Individuals with Nonmalignant Asbestos-related Disorders
박은기,Deborah H. Yates,Donald Wilson 한국산업안전보건공단 산업안전보건연구원 2014 Safety and health at work Vol.5 No.4
Background: Inhalation of asbestos fibers can lead to adverse health effects on the lungs. This studydescribes lung function profiles among individuals with nonmalignant asbestos-related disorders (ARDs). Methods: The study population was from the Workers’ Compensation (Dust Diseases) Board of NewSouth Wales, Sydney, Australia. Lung function measurements were conducted in males with asbestosis(n ¼ 26), diffuse pleural thickening (DPT; n ¼ 129), asbestosis and DPT (n ¼ 14), pleural plaques only(n ¼ 160) and also apparently healthy individuals with a history of asbestos exposure (n ¼ 248). Standardizedspirometric and single-breath diffusing capacity for carbon monoxide (DLCO) measurementswere used. Results: Mean age [standard deviation (SD)] was 66.7 (10.3) years for all participants. Current andex-smokers among all participants comprised about 9.0% and 54.8%, respectively. Median pack-years (SD)of smoking for ex- and current-smokers were 22.7 (19.9). Overall 222 participants (38.6%) and 139participants (24.2%) had forced expiratory volume in 1 second (FEV1) and forced vital capacity (FVC)measurements < 80% predicted, and 217 participants (37.7%) had FEV1/FVC results < 70%. A total of 249individuals (43.8%) had DLco values < 80% predicted and only 75 (13.2%) had DLco/VA results < 80%predicted. A total of 147 participants (25.6%) had peak expiratory flow (PEF) measurements < 80%predicted. The presence of ARDs lowered the lung function measurements compared to those of healthyindividuals exposed to asbestos. Conclusion: Lung function measurement differs in individuals with different ARDs. Monitoring of lung
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Lung Function Profiles among Individuals with Nonmalignant Asbestos-related Disorders
Park, Eun-Kee,Yates, Deborah H.,Wilson, Donald Occupational Safety and Health Research Institute 2014 Safety and health at work Vol.5 No.4
Background: Inhalation of asbestos fibers can lead to adverse health effects on the lungs. This study describes lung function profiles among individuals with nonmalignant asbestos-related disorders (ARDs). Methods: The study population was from the Workers' Compensation (Dust Diseases) Board of New South Wales, Sydney, Australia. Lung function measurements were conducted in males with asbestosis (n = 26), diffuse pleural thickening (DPT; n = 129), asbestosis and DPT (n = 14), pleural plaques only (n = 160) and also apparently healthy individuals with a history of asbestos exposure (n = 248). Standardized spirometric and single-breath diffusing capacity for carbon monoxide ($DL_{CO}$) measurements were used. Results: Mean age [standard deviation (SD)] was 66.7 (10.3) years for all participants. Current and ex-smokers among all participants comprised about 9.0% and 54.8%, respectively. Median pack-years (SD) of smoking for ex- and current-smokers were 22.7 (19.9). Overall 222 participants (38.6%) and 139 participants (24.2%) had forced expiratory volume in 1 second ($FEV_1$) and forced vital capacity (FVC) measurements < 80% predicted, and 217 participants (37.7%) had $FEV_1/FVC$ results < 70%. A total of 249 individuals (43.8%) had DLCO values < 80% predicted and only 75 (13.2%) had DLCO/VA results < 80% predicted. A total of 147 participants (25.6%) had peak expiratory flow (PEF) measurements < 80% predicted. The presence of ARDs lowered the lung function measurements compared to those of healthy individuals exposed to asbestos. Conclusion: Lung function measurement differs in individuals with different ARDs. Monitoring of lung function among asbestos-exposed populations is a simple means of facilitating earlier interventions.
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Association of Biomarker Levels with Severity of Asbestos-Related Diseases
Park, Eun-Kee,Yates, Deborah H.,Creaney, Jenette,Thomas, Paul S.,Robinson, Bruce W.,Johnson, Anthony R. Occupational Safety and Health Research Institute 2012 Safety and health at work Vol.3 No.1
Objectives: Asbestos-related diseases (ARDs) have increased globally over the decades, causing an economic burden and increased health care costs. It is difficult to predict the risk of development of ARDs and of respiratory disability among workers with a history of asbestos exposure. Blood based biomarkers have been reported as promising tools for the early detection of malignant mesothelioma. This study investigated whether serum soluble mesothelin-related peptide (SMRP) would reflect severity of disablement in compensable ARDs. Methods: SMRP levels were measured in a cohort of 514 asbestos-exposed subjects. Severity of ARDs was assessed by a Medical Authority comprising four specially qualified respiratory physicians. Severity of ARDs and SMRP levels were compared. Results: Mean (standard deviation) serum SMRP level in the population with compensable ARDs (n = 150) was 0.95 (0.65) nmol/L, and was positively associated with disability assessment (p = 0.01). Mean SMRP level in healthy asbestos-exposed subjects was significantly lower than those with pleural plaques (p < 0.0001) and in subjects with ARDs who received compensation (p < 0.01). Conclusion: This study indicates that serum SMRP levels correlate with severity of compensable ARDs. Serum SMRP could potentially be applied to monitor progress of ARDs. Further prospective work is needed to confirm the relationship between SMRP and disability assessment in this population.
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Park, Eun-Kee,Johnson, Anthony R.,Wilson, Donald,Thomas, Paul S.,Yates, Deborah H. Occupational Safety and Health Research Institute 2020 Safety and health at work Vol.11 No.4
Background: Asbestos exposure is associated with the development of the cancer malignant mesothelioma (MM). Measurement of soluble mesothelin-related protein (SMRP) has been suggested as a method for detection of MM in its early stages. We prospectively examined SMRP levels in participants with asbestos exposure who are a group at a high risk of development of MM. Methods: This study was a follow-up of our cohort of 322 asbestos-exposed participants. No further participants developed MM or malignancy over the study period. Mean follow-up time was 22.9 months. Results: Mean (standard deviation) SMRP levels at baseline and follow-up were 0.94 (0.79) and 0.91 (0.86) nmol/L (p = 0.1033), respectively. Mean SMRP levels of the healthy individuals exposed to asbestos at baseline was significantly lower than those of participants with asbestosis and pleural plaques alone; similar patterns were found on follow-up measurements. There was a statistically significant effect of age on serial SMRP measurements. Our study confirms higher levels in participants with nonmalignant asbestos-related disorders. Levels decreased in asbestos-related disorders other than asbestosis, where a small increase was observed. We did not detect any further cases of malignancy. Conclusion: Monitoring programs for early detection of MM need to take into account increased SMRP levels found in benign asbestos-related diseases.
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