Key result
Accurate assessment of mitral regurgitation severity relies on imaging modalities like echocardiography to provide quantitative and semi-quantitative measures of regurgitant volume and hemodynamics.
Highlights the importance of accurate assessment of mitral regurgitation severity using imaging modalities like echocardiography and cardiovascular magnetic resonance.
Assessing the severity of mitral regurgitation has been part of clinical practice since the advent of the stethoscope (presence of S3, soft S1, early A2, signs of pulmonary hypertension—loud P2 and parasternal heave, displaced apex beat, signs of left ventricular failure). Nowadays, imaging with echocardiography is the worldwide standard with its ability to give semi-quantitative and quantitative measures, including vena contracta length, effective regurgitant orifice area (EROA) and regurgitant volume (RVol) using the proximal isovelocity surface area (PISA) method, and measures of the haemodynamic consequences of mitral regurgitation (pulmonary vein systolic flow reversal, LV end-systolic diameter, left atrial area or volume, pulmonary systolic arterial pressure at rest).
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Kozor et al. (2016) conducted an editorial in Mitral regurgitation. Imaging assessment (echocardiography and cardiovascular magnetic resonance) was evaluated. Accurate assessment of mitral regurgitation severity relies on imaging modalities like echocardiography to provide quantitative and semi-quantitative measures of regurgitant volume and hemodynamics.
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