A stent is small tube made of a metal or fabric mesh that is inserted into the body to improve the flow of fluids---usually blood through a blood vessel. Doctors place kidney stents in the renal arteries, the blood vessels that carry blood to the...
Coronary artery stents are placed inside one or more arteries in the heart when a person with heart disease experiences chest pain or a heart attack. The American Heart Association reports that over 70 percent of people who undergo angioplasty, a...
The blood flow into the kidney is carried from the aorta to the renal artery. As atherosclerotic plaque builds up in the aorta it will extend into the renal artery and slowly decrease the diameter of the artery at its origin. As this process...
High blood pressure, or hypertension, can occur in children as it does in adults. However, common causes for the disorder differ between the two age groups. While primary hypertension--high blood pressure not due to another disorder--predominates...
