Josanna Rodriguez, MD; Rui Jiang, MD, DrPH; W. Craig Johnson, MS; Barbara A. MacKenzie; Lewis J. Smith, MD; R. Graham Barr, MD, DrPH
Cigarette smoking is the major cause of chronic obstructive pulmonary disease, but studies on the contribution of other smoking techniques are sparse.
To determine whether pipe and cigar smoking was associated with elevated cotinine levels, decrements in lung function, and increased odds of airflow obstruction.
Population-based sample from 6 U.S. communities.
Men and women aged 48 to 90 years without clinical cardiovascular disease at enrollment who were part of MESA (Multi-Ethnic Study of Atherosclerosis).
The MESA Lung Study measured spirometry according to American Thoracic Society guidelines and urine cotinine levels by immunoassay on a subsample of MESA. Pipe-years and cigar-years were calculated as years from self-reported age of starting to age of quitting (or to current age in current users) multiplied by pipe-bowls or cigars per day.
Of 3528 participants, 9% reported pipe smoking (median, 15 pipe-years), 11% reported cigar smoking (median, 6 cigar-years), and 52% reported cigarette smoking (median, 18 pack-years). Self-reported current pipe and cigar smokers had elevated urine cotinine levels compared with never-smokers. Pipe-years were associated with decrements in FEV1, and cigar-years were associated with decrements in the FEV1â€“FVC ratio. Participants who smoked pipes or cigars had increased odds of airflow obstruction whether they had also smoked cigarettes (odds ratio, 3.43 [95% CI, 1.75 to 6.71]; PÂ < 0.001) or not (odds ratio, 2.31 [CI, 1.04 to 5.11]; PÂ = 0.039) compared with participants with no smoking history.
Pipe and cigar smoking increased urine cotinine levels and was associated with decreased lung function and increased odds of airflow obstruction, even in participants who had never smoked cigarettes.
National Heart, Lung, and Blood Institute, National Institutes of Health.
Rodriguez J, Jiang R, Johnson WC, MacKenzie BA, Smith LJ, Barr RG. The Association of Pipe and Cigar Use With Cotinine Levels, Lung Function, and Airflow Obstruction: A Cross-sectional Study. Ann Intern Med. 2010;152:201–210. doi: 10.7326/0003-4819-152-4-201002160-00004
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Published: Ann Intern Med. 2010;152(4):201-210.
Cardiology, Coronary Risk Factors, Pulmonary/Critical Care, Smoking.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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