Proximal Jet Size by Doppler Color Flow Mapping Predicts Severityof Mitral Regurgitation

49 patients with mitral regurgitation, including 47 without more than trace aortic insufficiency, 33 catheterized patients, and 13 in normal sinus rhythm with no significant aortic and tricuspid insufficiency.

Measurement of proximal jet size (anteroposterior height, width, and area) by Doppler color flow mapping in parasternal long-axis and short-axis views.

Established measures of mitral regurgitation severity (Doppler regurgitant volume and fraction, angiographic grade, and angiographic regurgitant fraction).

Correlation between proximal jet size and established measures of mitral regurgitation severity (Doppler regurgitant volume/fraction, angiographic grade, and angiographic regurgitant fraction).surrogate