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Mitral regurgitation (MR) was analyzed by Doppler echocardiography, preoperatively and postoperatively, in 59 patients with patent ductus arteriosus (PDA). The ratio of left atrial dimension and aortic root dimension (LAD/LOD) and the maximal velocity of the mitral valve (MV max) were compared in pre, postop group. The degree of the regurgitation was given to the MR group. In preop MR... |
