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KMID : 0390620070150040121
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Journal of Cardiovascular Ultrasound
2007 Volume.15 No. 4 p.121 ~ p.123
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Prelude of Tragedy: Entrapped Huge Thrombi into a Patent Foramen Ovale Impending Paradoxical Embolism
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Lee Jae-Hwan
Park Jae-Hyeong
Kim Eun-Mi
Jang Won-Il
Ahn Kye-Taek
Kim Min-Soo
Kim Kyu-Seop
Jeong Il-Soon
Jung Jin-Ok
Seong In-Whan
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Abstract
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Infrequently, patent foramen ovale or atrial septal defect act as a passage for the venous thrombi to reach the arterial
circulation. These arterial thrombi can evoke tragic paradoxical embolisms. We report a case of impending paradoxical
embolism due to a huge thrombus trapped through a patent foramen ovale in a 66-year-old man who presented with
sudden dyspnea and chest discomfort in ten days after colon cancer surgery. The transthoracic echocardiogram
demonstrated signs of acute right ventricular pressure overload and a huge linear mass wedged in a patent foramen
ovale. On the intraoperative transesophageal echocardiography, the huge linear mass was freely floating in both right
and left cardiac chambers passing through atrial septum. To prevent paradoxical embolism from this thrombus, he
underwent emergent embolectomy and about 25 cm sized linear thrombus entrapped PFO was successfully removed
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KEYWORD
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Paradoxical embolism, Patent foramen ovale, Pulmonary thromboembolism
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