PubMed · 8190150
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D Brogno, G Lancaster, M Rosenbaum. 1994-06-16. Embolism interruptus.. https://doi.org/10.1056/nejm199406163302419
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Thrombosis is an infrequent complication in mechanical valve prostheses carrying a vital risk for the patient. The performance of transesophageal echocardiography (TEE) is high in differentiating the thrombosis from other causes of flow obstruction and is fundamental for establishing treatment. Fibrinolysis is an effective alternative treatment to surgery when the latter carries a high risk. In the case herein reported TEE provided a rapid and precise diagnosis and allowed to prove the resolution of the prosthetic thrombosis following fibrinolytic treatment.
Our case suggests that a negative transesophageal contrast echocardiographic study during stable hemodynamic conditions does not definitively rule out the possibility of a functional PFO with transient right-to-left shunting in situations of increased right heart pressures. In addition, we confirm that thrombolysis can be considered as an alternative to surgery in high-risk patients with impending paradoxical embolism. The risk-to-benefit ratio of this choice, however, should be individually evaluated.
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