Abstract:Background: Left ventricular ejection fraction (LVEF) is an indicator of heart failure, and it is controversial whether patients with reduced preoperative left ventricular ejection fraction can benefit from heart valve surgery. We aimed to assess the differences in clinical characteristics after surgery in patients with different grades of reduced preoperative LVEF to guide clinical management.Methods: A total of 100 heart valve disease patients with low LVEF (≤50%) who had undergone valve surgery in the Depar… Show more
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