Carotid stenting Carotid stenting Carotid artery stenting (CAS) is an endovascular procedure where a stent is deployed within the lumen of the carotid artery to treat narrowing of the carotid artery and decrease the risk of stroke. CAS is used to treat narrowing of the carotid artery in high-risk patients, when carotid endarterectomy is considered too risky. Carotid artery stenosis can present with no symptoms or with symptoms such as transient ischemic attacks (TIAs) or strokes. The largest clinical trial to date, CREST, compared stenting to surgery on the collective incidence of any stroke, any heart attack or death. They found that
Human body blood to produce urine, which carries a variety of waste molecules and excess ions and water out of the body. Human anatomy is the study of the shape and form of the human body. The human body has four limbs (two arms and two legs), a head and a neck which connect to the torso. The body's shape is determined by a strong skeleton made of bone and cartilage, surrounded by fat, muscle, connective tissue, organs, and other structures. The spine at the back of the skeleton contains the flexible vertebral column which surrounds the spinal cord, which is a