Medically reviewed by Anju Goel, MD Renal artery stenosis is the narrowing of one or both blood vessels to the kidneys. The renal arteries bring blood from the heart to the kidneys to help filter ...

Carotid percutaneous transluminal angioplasty/stenting has become an accepted treatment modality for carotid artery ... duplex ultrasound criteria for determining normal (0-< 30% stenosis) versus ...