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  • Title: Usefulness of contrast echocardiography for assessment of intracardiac masses.
    Author: Mansencal N, Revault-d'Allonnes L, Pelage JP, Farcot JC, Lacombe P, Dubourg O.
    Journal: Arch Cardiovasc Dis; 2009 Mar; 102(3):177-83. PubMed ID: 19375671.
    Abstract:
    BACKGROUND: Conventional echocardiography is not a reliable method for characterizing tissue patterns of intracardiac masses. AIMS: To assess the ability of contrast echocardiography to characterize intracardiac masses. METHODS: Thirty-one consecutive patients with an intracardiac mass were included in this prospective study. All patients underwent conventional and contrast echocardiographic examinations. Analysis of characteristics by contrast agent allowed classification of intracardiac masses as follows: complete lack of enhancement, suggesting thrombus; partial and/or incomplete enhancement, suggesting myxoma; complete enhancement, suggesting intracardiac tumor. Tissue characteristics of intracardiac masses were also analyzed using at least one of the following techniques: cardiac magnetic resonance, pathology of intracardiac mass and/or mass resolved after anticoagulation during follow-up. RESULTS: Using contrast echocardiography, an accurate diagnosis was made in all patients by an experienced investigator and in all patients except one (97%), by a physician trainee (p=0.31). Among patients with a history of tumor, echocardiography allowed accurate diagnosis of the nature of the mass in all patients; 50% of these patients presented with a secondary cardiac tumor and the others had a thrombus. Of the 14patients with a thrombus located in the left ventricle, 12 (86%) presented with left ventricular motion abnormalities using conventional echocardiography, whereas wall motion abnormalities were observed in all 14patients (100%) using contrast agent. In these patients, 91 and 99% of left ventricular segments were well visualized using conventional and contrast echocardiography, respectively (p<0.0001). CONCLUSIONS: Contrast echocardiography may be useful for the tissue characterization of intracardiac masses.
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