Which factors increase the risk of operative mortality in patients with aortic stenosis (AS) receiving an aortic valve replacement?

Updated: May 07, 2019
  • Author: Xiushui (Mike) Ren, MD; Chief Editor: Terrence X O'Brien, MD, MS, FACC  more...
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The surgical mortality risk in patients with normal LV systolic function and no other comorbid conditions is less than 5%. Risk factors for increased operative mortality include the following:

  • High New York Heart Association (NYHA) class (25-30% mortality in patients with class IV)

  • Preoperative LV systolic dysfunction

  • Older age

  • Associated aortic regurgitation

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