12/26/2013

The mortality rate after transthoracic echocardiography with a perflutren-based ultrasound contrast agent was 28% lower than with noncontrast echocardiography at 48 hours in critically ill patients in a study reported in the journal Cardiovascular Imaging. "These results are reassuring, given previous reports suggesting an association between ultrasound contrast agents and increased mortality in critically ill patients," wrote researchers.

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