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Pulmonary embolism: epidemiology

C Giuntini1, G Di Ricco, C Marini

  • 1CNR Clinical Physiology Institute, University of Pisa, Italy.

Chest
|January 1, 1995
PubMed
Summary
This summary is machine-generated.

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Pulmonary embolism (PE) is a common cardiovascular disease. Idiopathic PE, often linked to cancer, has poorer survival rates than PE caused by surgery or trauma.

Area of Science:

  • Cardiovascular Medicine
  • Hematology
  • Pulmonary Medicine

Background:

  • Venous thromboembolism (VTE) ranks as the third most frequent acute cardiovascular disease.
  • Pulmonary embolism (PE) diagnosis rates increase with dedicated referral units.
  • PE presents a spectrum of severity, with morbidity rising with age and male sex.

Purpose of the Study:

  • To investigate the characteristics and outcomes of different pulmonary embolism (PE) etiologies.
  • To differentiate between idiopathic PE and PE secondary to clinical conditions.
  • To compare survival rates and predisposing factors in various PE patient groups.

Main Methods:

  • Retrospective analysis of patients diagnosed with PE and/or deep-vein thrombosis (DVT).
  • Categorization of PE cases based on preceding clinical conditions: idiopathic, surgery/trauma, heart disease, neoplastic disease, and systemic disease.

Related Experiment Videos

  • Comparison of clinical outcomes, including subsequent cancer development and survival rates, across different PE etiological groups.

    • Main Results:

    • Idiopathic PE constitutes 40% of cases, while surgery or trauma accounts for 43%.
    • Patients with idiopathic PE show a higher incidence of subsequent cancer (9.1%) compared to surgery/trauma patients (1.4%).
    • Idiopathic PE is associated with significantly shorter survival, often due to increased thrombogenesis predisposition.

    Conclusions:

    • A distinct "idiopathic" form of PE, similar to DVT, should be recognized.
    • Idiopathic PE carries a poorer prognosis, linked to underlying thrombotic tendencies and potential occult malignancy.
    • Understanding PE etiology is crucial for risk stratification and management, particularly differentiating idiopathic cases.