Dobutamine-Induced Improvement in Inferior Myocardial Contractile Function Predicts Reduction in Functional Mitral Regurgitation: A Study Using Tissue Doppler Strain Rate Imaging

K Tatsumi, H Kawai, D Sugiyama, K Norisada, T Kataoka, T Onishi, H Tanaka and K. i. Hirata

Circulation: Cardiovascular Imaging 3 ( 6 ): 638 - 646 , 2010