Cigarette smoking and the risk of pulmonary metastasis from breast cancer

Susan Murin, Inciardi John

Research output: Contribution to journalArticle

62 Citations (Scopus)

Abstract

Study objectives: To determine whether there is an association between cigarette smoking and the development of pulmonary metastatic disease among women with breast cancer. Design: A case-control study. Setting: The University of California, Davis Medical Center. Participants: Eighty-seven women patients with unilateral, invasive breast cancer and pulmonary metastatic disease were identified as cases, and each patient was matched with two control patients who did not have pulmonary metastatic disease. Case patients and control patients were matched for year of diagnosis, age at diagnosis, size of primary tumor, and nodal status. Data analysis: Multivariate analysis using conditional logistic regression was used to determine the odds of smoking among women with pulmonary metastatic disease compared to matched control patients without pulmonary metastatic disease, after correction for potential confounding factors. Results: Thirty-eight percent of the case patients vs 29% of the control patients were classified as ever-smokers; 24.1% of case patients were actively smoking at the time of breast cancer diagnosis vs 15.3% of the control patients. The unadjusted odds ratio for active smoking was 1.76 for women with pulmonary metastatic disease compared to women without pulmonary metastatic disease (p = 0.06). In the final multivariate model, the odds ratio for active smoking among women with pulmonary metastatic disease was 1.96 (p = 0.06). Conclusions: There appears to be an association between cigarette smoking and the development of pulmonary metastatic disease among women with breast cancer. This may explain the previously noted higher breast cancer fatality rate among smokers. The relationship between smoking behavior and pulmonary metastasis from breast and other cancers warrants further investigation.

Original languageEnglish (US)
Pages (from-to)1635-1640
Number of pages6
JournalChest
Volume119
Issue number6
DOIs
StatePublished - 2001

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Lung Diseases
Smoking
Breast Neoplasms
Neoplasm Metastasis
Lung
Odds Ratio
Case-Control Studies
Multivariate Analysis
Logistic Models
Neoplasms

Keywords

  • Breast cancer
  • Metastasis
  • Smoking

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Critical Care and Intensive Care Medicine
  • Cardiology and Cardiovascular Medicine

Cite this

Cigarette smoking and the risk of pulmonary metastasis from breast cancer. / Murin, Susan; John, Inciardi.

In: Chest, Vol. 119, No. 6, 2001, p. 1635-1640.

Research output: Contribution to journalArticle

Murin, Susan ; John, Inciardi. / Cigarette smoking and the risk of pulmonary metastasis from breast cancer. In: Chest. 2001 ; Vol. 119, No. 6. pp. 1635-1640.
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