Severe aortic stenosis can be present even if the mean pressure gradient is < 40 mmHg in this setting. This is called “low-flow, low-gradient” aortic stenosis. Dobutamine stress ...

Patients with severe aortic stenosis at low surgical risk who underwent supra-annular, self-expanding Evolut transcatheter ...

When the valve becomes too narrow it limits blood flow through the ... That's because severe aortic stenosis can sometimes ...

The follow-up brought little surprise, with investigators pleased the risk of death/disabling stroke remained on par with ...

Here are the biggest stories out of ACC 2025: Five-year data from the Medtronic Evolut Low Risk Trial confirmed that its ...

Medtronic says its Evolut TAVR shows strong valve performance and durable outcomes at 5 years in low-risk aortic stenosis ...

The Evolut Low Risk Trial was a randomized ... and durable alternative to surgery for patients with severe aortic stenosis, regardless of their surgical risk," said Michael J.

Even in early aortic stenosis there is no gradient at rest. However, with increased blood flow, as occurs during exercise, a gradient may develop. As the stenosis progresses, a resting gradient ...

Blood flow velocity in the left ventricular outflow tract (LVOT) of the same patient (Figure 3) with a dimensionless index of: V1/V2 ≠ 0.80/4.57 0.18 indicative of severe aortic stenosis.Pk Grad ...

As obstruction to forward flow slowly increases over time ... their physician if any signs or symptoms of aortic stenosis develop. Patients with a low transaortic valve gradient (less than 25 ...