How does diastolic dysfunction occur in aortic stenosis (AS)?

Updated: May 07, 2019
  • Author: Xiushui (Mike) Ren, MD; Chief Editor: Terrence X O'Brien, MD, MS, FACC  more...
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Answer

Diastolic dysfunction may occur as a consequence of impaired LV relaxation and/or decreased LV compliance, as a result of increased afterload, LV hypertrophy, or myocardial ischemia. LV hypertrophy often regresses following relief of valvular obstruction. However, some individuals develop extensive myocardial fibrosis, which may not resolve despite regression of hypertrophy.


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