Restenosis

Restenosis is a condition that occurs when a blood vessel that has been opened by angioplasty narrows again. Restenosis can occur in any blood vessel, but it is most common in the coronary artery.

Causes

Restenosis is caused by damage to the blood vessel during angioplasty. This damage can cause the blood vessel to narrow again, leading to restenosis. Other factors that can contribute to restenosis include smoking, diabetes, and high cholesterol levels.

Symptoms

The symptoms of restenosis can vary depending on the location of the affected blood vessel. In the coronary artery, symptoms can include chest pain, shortness of breath, and fatigue. In other blood vessels, symptoms can include leg pain, numbness, and weakness.

Diagnosis

Restenosis is typically diagnosed through a cardiac catheterization. This procedure involves inserting a thin tube into a blood vessel and guiding it to the heart. A dye is then injected into the blood vessel, and X-rays are taken to visualize the blood vessels and identify any areas of narrowing.

Treatment

Treatment for restenosis can include repeat angioplasty, stent placement, or bypass surgery. Medications such as aspirin, clopidogrel, and statins may also be used to help prevent restenosis.

Prevention

Prevention of restenosis can involve lifestyle changes such as quitting smoking, eating a healthy diet, and exercising regularly. Medications may also be used to help control risk factors such as high cholesterol and diabetes.

See also

• Angioplasty
• Coronary artery disease
• Peripheral artery disease

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