Why the study?
How does chronic mitral regurgitation affect left atrial shape and function as assessed by echocardiography?
Population
170 patients undergoing transthoracic Doppler echocardiography, comprising 125 consecutive patients with…
Design
Cross-sectional
Authors
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LA eccentricity may flag systolic dysfunction in chronic MR; hypothesis-generating and requires prospective validation before clinical use.
How does chronic mitral regurgitation affect left atrial shape and function as assessed by echocardiography?
In chronic mitral regurgitation, the left atrium becomes more spherical (decreased eccentricity) due to volume overload, which correlates with left atrial systolic dysfunction.
Yi et al. (2012) studied this question.
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