Mechanical heart valves were tested for their ability to crack under high-speed imaging, fluoroscopy, and standardized balloon testing. In vitro testing showed successful fracturing of device leaflets ...

For high-risk patients with heart complications, open-heart surgery isn’t always the safest option. Now, doctors at Tucson Medical Center are working to provide effective, and less invasive, ...

Transcatheter aortic valve replacement has emerged as a valuable alternative to surgical aortic valve replacement in patients with severe aortic stenosis. Given the expansion of transcatheter aortic ...

Aortic stenosis (AS) remains one of the most common forms of valve disease, with significant impact on patient survival. The disease is characterized by left ventricular outflow obstruction and ...

Background On echocardiography approximately one-third of patients with severe aortic valve stenosis based on aortic valve area (AVA<1.0 cm 2) demonstrate a non-severe mean pressure gradient (ΔPm; ≤40 ...

The present study evaluated the volume and function of the left atrium by two-dimensional echocardiographic feature-tracking imaging (2D-FTI) and Simpson’s monoplanar modeling in dogs with ...