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Occupational exposure to vapor, gas, dust, or fumes and chronic airflow limitation, COPD, and emphysema: the Swedish CArdioPulmonary BioImage Study (SCAPIS pilot)

Artikel i vetenskaplig tidskrift
Författare Kjell Torén
Jenny Vikgren
Anna-Carin Olin
Annika Rosengren
Göran Bergström
John Brandberg
Publicerad i International Journal of Chronic Obstructive Pulmonary Disease
Volym 12
Sidor 3407-3413
ISSN 1178-2005
Publiceringsår 2017
Publicerad vid Institutionen för medicin, avdelningen för samhällsmedicin och folkhälsa, enheten för arbets-och miljömedicin
Institutionen för kliniska vetenskaper, Avdelningen för radiologi
Institutionen för medicin, avdelningen för molekylär och klinisk medicin
Sidor 3407-3413
Språk en
Länkar doi.org/10.2147/copd.s144933
Ämnesord work, occupation, obstructive airways disease, epidemiology, computed tomography, obstructive pulmonary-disease, general-population sample, aged 50-64, years, risk-factors, fleischner-society, lung-disease, statement, burden, mortality, Respiratory System
Ämneskategorier Lungmedicin och allergi, Yrkesmedicin

Sammanfattning

Background: The aim of this study was to estimate the occupational burden of airflow limitation, chronic airflow limitation, COPD, and emphysema. Materials and methods: Subjects aged 50-64 years (n=1,050) were investigated with forced expiratory volume in 1 s (FEV1) and forced vital capacity (FVC). Airflow limitation was defined as FEV1/FVC<0.7 before bronchodilation. Chronic airflow limitation was defined after bronchodilation either according to the Global Initiative for Chronic Obstructive Lung Disease (GOLD) as FEV1/FVC<0.7 or according to the lower limit of normal (LLN) approach as FEV1/FVC, LLN. COPD was defined as chronic airflow limitation (GOLD) in combination with dyspnea, wheezing, or chronic bronchitis. Emphysema was classified according to findings from computed tomography of the lungs. Occupational exposure was defined as self-reported occupational exposure to vapor, gas, dust, or fumes (VGDF). Odds ratios (OR) were calculated in models adjusted for age, gender, and smoking; population-attributable fractions and 95% CI were also calculated. Results: There were significant associations between occupational exposure to VGDF and COPD (OR 2.7, 95% CI 1.4-51), airflow limitation (OR 1.8, 95% CI 1.3-2.5), and emphysema (OR 1.8, 95% CI 1.1-3.1). The associations between occupational exposure to VGDF and chronic airflow limitation were weaker, and for the OR, the CIs included unity. The population-attributable fraction for occupational exposure to VGDF was 0.37 (95% CI 0.23-0.47) for COPD and 0.23 (95% CI 0.05-0.35) for emphysema. Conclusion: The occupational burden of COPD and computed tomography-verified emphysema is substantial.

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