The pulmonary valve is located between the right ventricle and the pulmonary artery. The valve acts as a doorway that lets blood into and out of the heart. Pulmonary valve stenosis is when the ...

Pulmonic regurgitation is when blood leaks back into the heart from the pulmonary artery due to weakness in the pulmonary valve. It happens when a pulmonary valve does not close properly. The ...

What is the Condition of Pulmonary Atresia? Pulmonary atresia is a congenital heart defect where the baby is born with a defective or absent pulmonary valve. The valve should have three leaflets which ...

The findings come on the heels of the US Food and Drug Administration approving the Harmony system (Medtronic) in March as the first nonsurgical heart valve to treat pulmonary valve regurgitation in ...

Thus, the pattern of the resolution of pulmonary vascular disease after mitral-valve surgery is not clear. Furthermore, the influence of cardiopulmonary bypass and the characteristics of the ...

Most patients who undergo percutaneous pulmonary valve implantation for right ventricular outflow tract (RVOT) dysfunction achieve acute hemodynamic benefit within 1 month that is sustained out to at ...

A major difficulty in the interpretation of these findings arises from the fact that closed commissurotomy often results in incomplete relief of obstruction, and it is difficult to determine whether ...

Researchers from the BioTis laboratory (Inserm/University of Bordeaux, Bordeaux, France) have developed a pulmonary valve using human collagen. Such a device could revolutionize the treatment of ...