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Pulmonary Embolism in Patients with Unexplained Exacerbations of Chronic Obstructive Pulmonary Disease
- Isabelle Tillie-Leblond, MD, PhD;
- Charles-Hugo Marquette, MD, PhD; and
- Thierry Perez, MD
- From Hospital A Calmette, 59037 Lille Cedex, France.
IN RESPONSE:
The aim of our study was to evaluate the prevalence of pulmonary embolism in a selected population of patients with COPD who were admitted for severe exacerbations of unknown origin. Statistical analysis to select predictive variables for pulmonary embolism identified 3 criteria: cancer, previous thromboembolic disease, and a decrease in Paco2 from baseline. It was not possible to define a specific score in patients with COPD who had a severe exacerbation of unknown origin according to a multivariate logistic regression …
