What increases the risk of recurrent pulmonary embolism (PE)?

Updated: Jun 06, 2019
  • Author: Daniel R Ouellette, MD, FCCP; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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Answer

In the PIOPED study, the 1-year mortality rate was 24%. [35] The deaths occurred due to cardiac disease, recurrent pulmonary embolism, infection, and cancer.

The risk of recurrent pulmonary embolism is due to the recurrence of proximal venous thrombosis; approximately 17% of patients with recurrent pulmonary embolism were found to have proximal DVT. In a small proportion of patients, pulmonary embolism does not resolve; hence, chronic thromboembolic pulmonary arterial hypertension results.


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