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严重的左心室收缩功能不全和左心室扩大同时不伴有器质性二尖瓣病变的患者,常发现有不同程度的二尖瓣反流(mitral regurgitation,MR)。MR可以加重心力衰竭,并影响患者症状和预后。已有研究表明,MR可增加既往有心肌梗死或收缩功能障碍患者的死亡率。外科二尖瓣成形术能够改善进?
In patients with severe left ventricular systolic dysfunction and left ventricular enlargement without organic mitral valve disease, varying degrees of mitral regurgitation (MR) are often found. MR can aggravate heart failure and affect patient symptoms and prognosis. Studies have shown that MR can increase the mortality of patients with previous myocardial infarction or systolic dysfunction. Surgical mitral valvuloplasty can improve the progress?