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Clinical implications of a patent foramen ovale in patients with massive pulmonary embolism

  • A. Geibel
  • S. Konstantinides
  • W. Kasper
Chapter
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Summary

The aim of our investigations was to prospectively evaluate the clinical relevance of a patent foramen ovale in patients with acute massive pulmonary embolism with regard to mortality, the occurrence of cardiovascular complications and the extent of arterial hypoxemia.

In 85 patients and in a second study in 139 patients with acute massive pulmonary embolism a right-to-left shunt was diagnosed by contrast echocardiography. A patent foramen ovale was found in 39 % of the patients in the first and in 35 % in the second study.

With regard to the extent of arterial hypoexemia the oxygen tension was significantly lower in patients with a patent foramen ovale (55 ∓ 14 mm Hg vs 62 ∓ 16 mm Hg). Furthermore in the second study, clinical symptoms presumptive of paradoxical embolism occurred in 13 patients (27 %) with a patent foramen ovale and in 2 patients (2.2 %) without a patent foramen ovale. During the inhospital stay, patients with a patent foramen ovale had a death rate of 33 % as opposed to 14 % in patients without a patent foramen ovale. Logistic regression analysis demonstrated that after adjustment for the clinical characteristics the only independent predictors of inhospital mortality were arterial hypotension at presentation (p < 0.01) and a patent foramen ovale (p < 0.001). Patients with a patent foramen ovale also had a significantly higher incidence of cardiovascular complications. Overall, the risk of a complicated in-hospital course was 5.2 times higher in the patient group with a patent foramen ovale.

These investigations underlines the prognostic impact of a patent foramen ovale in high-risk patients with acute massive pulmonary embolism.

Key words

Pulmonary embolism patent foramen ovale paradoxical embolism contrast echocardiography prognosis 

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Copyright information

© Dr. Dietrich Steinkopff Verlag GmbH & Co. KG, Darmstadt 2000

Authors and Affiliations

  • A. Geibel
    • 1
  • S. Konstantinides
    • 1
  • W. Kasper
    • 2
  1. 1.Innere Medizin III - Kardiologie und AngiologieUniversitätsklinik FreiburgFreiburgGermany
  2. 2.Medizinische Klinik ISt. Josefs-Hospital WiesbadenWiesbadenGermany

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