Risk Factors for Venous Thromboembolism in Chronic Obstructive Pulmonary Disease

Victor Kim, Nishant Goel, Jinal Gangar, Huaqing Zhao, David E Ciccolella, Edwin K Silverman, James D Crapo, Gerard J Criner, and the COPD Gene Investigators, Edwin Jacques Rudolph van Beek

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

BACKGROUND: COPD patients are at increased risk for venous thromboembolism (VTE). VTE however remains under-diagnosed in this population and the clinical profile of VTE in COPD is unclear.

METHODS: Global initiative for chronic Obstructive Lung Disease (GOLD) stages II-IV participants in the COPD Genetic Epidemiology (COPDGene) study were divided into 2 groups: VTE+, those who reported a history of VTE by questionnaire, and VTE-, those who did not. We compared variables in these 2 groups with either t-test or chi-squared test for continuous and categorical variables, respectively. We performed a univariate logistic regression for VTE, and then a multivariate logistic regression using the significant predictors of interest in the univariate analysis to ascertain the determinants of VTE.

RESULTS: The VTE+ group was older, more likely to be Caucasian, had a higher body mass index (BMI), smoking history, used oxygen, had a lower 6-minute walk distance, worse quality of life scores, and more dyspnea and respiratory exacerbations than the VTE- group. Lung function was not different between groups. A greater percentage of the VTE+ group described multiple medical comorbidities. On multivariate analysis, BMI, 6-minute walk distance, pneumothorax, peripheral vascular disease, and congestive heart failure significantly increased the odds for VTE by history.

CONCLUSIONS: BMI, exercise capacity, and medical comorbidities were significantly associated with VTE in moderate to severe COPD. Clinicians should suspect VTE in patients who present with dyspnea and should consider possibilities other than infection as causes of COPD exacerbation.

Original languageEnglish
Pages (from-to)239-249
Number of pages11
JournalChronic obstructive pulmonary diseases (Miami, Fla.)
Issue number2
Publication statusPublished - 1 Jan 2014


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