The agency OK’d an artificial vessel to restore blood flow in patients, even though its own scientists flagged questionable ...

A thoracic aortic aneurysm forms in the portion ... putting postmenopausal women at higher risk. Women’s blood vessels are also smaller in diameter than men’s, which may be another factor.

As blood vessels narrow, the pressure in the lungs begins to rise leading to pulmonary hypertension. With time, the lungs don’t receive adequate blood flow, which can damage the lungs. As the patient ...

Since arterial blood flow is pulsatile and arterial vessel walls are compliant, pulsatile changes in blood volume occur in the thoracic arterial system, predominantly in the aorta, as a result of ...