What are common causes of aortic regurgitation (AR)?

Updated: Nov 19, 2018
  • Author: Stanley S Wang, JD, MD, MPH; Chief Editor: Terrence X O'Brien, MD, MS, FACC  more...
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Answer

Aortic regurgitation may be a chronic disease process or it may occur acutely, presenting as heart failure. [2] The most common cause of chronic aortic regurgitation used to be rheumatic heart disease, but presently it is most commonly caused by bacterial endocarditis. [3] In developed countries, it is caused by dilation of the ascending aorta (eg, aortic root disease, aortoannular ectasia). (See Presentation and Workup.)


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