Objective Fractional flow (FF) reserve has been developed as a gold standard for coronary intervention. Intracranial FF is also a valuable hemodynamic index to assess the severity of narrowing in ...

Renal artery stenosis is the narrowing of one or both blood vessels to the kidneys. The renal arteries bring blood from the heart to the kidneys to help filter waste and remove excess bodily fluid.

Without treatment, 1 in 10 patients experiencing symptoms of severe aortic stenosis (AS) may die within five weeks. However, the symptoms of severe AS can be difficult to detect and may progress ...

Background: Symptomatic severe aortic stenosis (AS) remains undertreated with high resultant mortality despite increased growth and availability of aortic valve replacement (AVR) since the advent of ...