Risk factors for midterm cardiac function deterioration after valve replacement surgery in patients with rheumatic mitral stenosis

Journal of Cardiac Failure, 08/07/2013

A symptomatic reduction in left ventricular ejection fraction (LVEF) is the main reason for postoperative heart failure after valve replacement surgery. However, postoperative heart failure occurs in patients with normal preoperative LVEF. Therefore, the authors examined clinical and echocardiographic data of patients with rheumatic heart disease to determine additional risk factors for low LVEF in the postoperative period. Decreased right ventricular function and no or mild aortic stenosis were independent risk factors for low LVEF at follow–up in patients with RHD who had normal preoperative LVEF. The velocity of the tricuspid valve ring should be included in preoperative evaluations to improve the accuracy of postsurgical prognosis and clinical decision making.

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