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Longitudinal spirometry among patients in a treatment program for community members with World Trade Center (WTC)-related illness
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Oct 2012
Source: J Occup Environ Med. 54(10):1208-1213. -
Alternative Title:J Occup Environ Med
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Description:Objective
The course of lung function in community members exposed to World Trade Center (WTC) dust and fumes remains undefined. We studied longitudinal spirometry among patients in the WTC Environmental Health Center (WTCEHC) treatment program.
Methods
Observational study of 946 WTCEHC patients with repeated spirometry measures analyzed on the population as a whole and stratified by smoking status, initial spirometry pattern and WTC-related exposure category.
Results
Improvement in forced expiratory volume (FVC; 54.4 ml/year; 95% CI: 45.0-63.8) and forced expiratory volume in one second (FEV1; 36.8 ml/year; 95% CI: 29.3-44.3) was noted for the population as a whole. Heavy smokers did not improve. Spirometry changes differed depending on initial spirometry pattern and exposure category.
Conclusions
These data demonstrate spirometry improvement in select populations suggesting reversibility in airway injury and reinforcing the importance of continued treatment.
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Pubmed ID:22995806
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Pubmed Central ID:PMC3665157
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