RSNA 2011: 3D echo is not superior to 2D echo for measuring left atrial volume
Published
01 November 2011
| Article by Excerpta Medica
| Tags:
ct,
echocardiography,
atrial-volumes
RSNA 2011: 3D echo is not superior to 2D echo for measuring left atrial volume
A study has been unable to demonstrate that 3D transthoracic echocardiography is superior to 2D echo for assessing left atrial (LA) volume, an important prognostic indicator for a variety of cardiac diseases. The study compared both forms of echo against CT angiography, which was employed as a standard. Compared to 2D transthoracic echo, which is the most commonly used modality for evaluating LA volume, 3D echo eliminates the need for mathematical modelling. However, when each is compared to CT angiography, which is considered the most accurate of these tools for measuring LA volume, LA volumes did not correlate any better with 3D measures that 2D assessments. This suggests that there is no reason at this time to replace 2D with 3D echo when assessing LA volume.
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