Restenos

Restenos is a term that refers to the narrowing or constriction of a blood vessel, typically an artery. This condition can occur in various parts of the body, including the coronary arteries, which supply blood to the heart, and the cerebral arteries, which supply blood to the brain. Restenos can be caused by several factors, including atherosclerosis, which is the buildup of plaque in the arteries, and trauma or injury to the vessel wall.

The symptoms of restenos can vary depending on the location and severity of the narrowing. In the coronary arteries, restenos can lead to angina, or chest pain, which occurs when the heart muscle does not receive enough oxygen-rich blood. In the cerebral arteries, restenos can cause stroke, which is a medical emergency that occurs when blood flow to the brain is interrupted or reduced.

Restenos can be diagnosed through various imaging techniques, such as angiography, which involves injecting a contrast dye into the blood vessels and taking X-ray images, or computed tomography angiography (CTA), which uses a CT scanner to create detailed images of the blood vessels. Treatment options for restenos depend on the underlying cause and the severity of the narrowing. In some cases, lifestyle changes, such as quitting smoking and adopting a healthy diet, may be recommended. In more severe cases, medical interventions, such as angioplasty or stent placement, may be necessary to open the narrowed vessel and restore blood flow.