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Treatments for carotid artery disease may include lifestyle changes, medicines, and medical procedures. The goals of treatment are to stop the disease from getting worse and to prevent a stroke.
Your treatment will depend on your symptoms, how severe the disease is, and your age and overall health.
Making lifestyle changes often can help prevent carotid artery disease or keep it from getting worse. For some people, these changes may be the only treatment needed:
To help keep carotid artery disease from getting worse, follow an eating plan that’s low in saturated and trans fats, sodium (salt), and cholesterol. Therapeutic Lifestyle Changes (TLC) and Dietary Approaches to Stop Hypertension (DASH) are two examples of healthy eating plans.
TLC. Your doctor may recommend TLC if you have high cholesterol. TLC is a three-part program that includes a healthy diet, physical activity, and weight management.
With the TLC diet, less than 7 percent of your daily calories should come from saturated fat. This kind of fat is mainly found in meat and poultry, including dairy products. No more than 25 to 35 percent of your daily calories should come from all fats, including saturated, trans, monounsaturated, and polyunsaturated fats.
You also should have less than 200 mg a day of cholesterol. The amounts of cholesterol and the different kinds of fat in prepared foods can be found on the Nutrition Facts label.
Foods high in soluble fiber also are part of a healthy eating plan. They help block the digestive tract from absorbing cholesterol. These foods include:
A diet high in fruits and vegetables can increase important cholesterol-lowering compounds in your diet. These compounds, called plant stanols or sterols, work like soluble fiber.
Fish are an important part of a healthy diet. They're a good source of omega-3 fatty acids, which help lower blood cholesterol levels. Try to have about two fish meals every week. Fish high in omega-3 fats are salmon, tuna (canned or fresh), and mackerel.
You also should try to limit the amount of sodium that you eat. This means choosing low-sodium and "no added salt" foods and seasonings at the table or when cooking. The Nutrition Facts label on food packaging shows the amount of sodium in the item.
Try to limit drinks with alcohol. Too much alcohol will raise your blood pressure and triglyceride level. (Triglycerides are a type of fat found in the blood.) Alcohol also adds extra calories, which will cause weight gain. Men should have no more than two drinks containing alcohol a day. Women should have no more than one drink containing alcohol a day.
See the NHLBI’s “Your Guide to Lowering Your Cholesterol With TLC” for more information.
DASH. Your doctor may recommend the DASH eating plan if you have high blood pressure. The DASH eating plan focuses on fruits, vegetables, whole grains, and other foods that are healthy and lower in salt/sodium.
This eating plan is low in fat and cholesterol. It also focuses on fat-free or low-fat milk and dairy products, fish, poultry, and nuts. The DASH eating plan is reduced in red meats (including lean red meat), sweets, added sugars, and sugar-containing beverages. It's rich in nutrients, protein, and fiber.
The DASH eating plan is a good healthy eating plan, even for those who don’t have high blood pressure. See the NHLBI’s "Your Guide to Lowering Your Blood Pressure With DASH" for more information.
Regular physical activity can lower many carotid artery disease risk factors, including LDL ("bad") cholesterol, high blood pressure, and excess weight. Physical activity also can lower your risk for diabetes and raise your levels of HDL cholesterol (the “good” cholesterol that helps prevent plaque buildup).
Check with your doctor about how much and what kinds of physical activity are safe for you. Unless your doctor tells you otherwise, try to get at least 30 minutes of moderate-intensity activity on most or all days of the week. You can do the activity all at once or break it up into shorter periods of at least 10 minutes each.
Moderate-intensity activities include brisk walking, dancing, bowling, bicycling, gardening, and housecleaning. More intense activities, such as jogging, swimming, and various sports, also may be appropriate for shorter periods.
See the NHLBI's "Your Guide to Physical Activity and Your Heart" for more information. Although this guide focuses on heart health, it also applies to general health and well-being.
Maintaining a healthy weight can decrease risk factors for carotid artery disease and stroke. Even a modest weight gain of a few pounds a year can almost double your chances of having a stroke.
If you're overweight, aim to reduce your weight by 7 to 10 percent during your first year of treatment. This amount of weight loss can lower your risk for carotid artery disease and other health problems.
After the first year, you may have to continue to lose weight so you can lower your body mass index (BMI) to less than 25.
BMI measures your weight in relation to your height. A BMI between 25 and 29 is considered overweight for adults. A BMI of 30 or more is considered obese for adults. A BMI of less than 25 is the goal for preventing and treating carotid artery disease.
You can find out your BMI using the NHLBI's online calculator, or your health care provider can measure your BMI.
For more information on losing weight and maintaining your weight, see the Diseases and Conditions Index Overweight and Obesity article.
If you smoke or use tobacco, quit. Smoking can damage your arteries and raise your risk for stroke and other health problems.
Talk to your doctor about programs and products that can help you quit. The U.S. Department of Health and Human Services has information on how to quit smoking. Also, take steps to protect yourself from secondhand smoke.
You may need medicines to treat diseases and conditions that damage the carotid arteries. High blood pressure, high blood cholesterol, and diabetes can worsen carotid artery disease.
Some people can control these problems with lifestyle changes. Others also need medicines to achieve and maintain control.
You may need antiplatelet (an-ty- PLATE-lit) medicines to prevent blood clots from forming in your carotid arteries and causing a stroke. Damage and plaque buildup make blood clots more likely.
Aspirin and clopidogrel are two common antiplatelet medicines. They stop platelets from clumping together to form clots. These medicines are a mainstay of treatment for people who have known carotid artery disease.
Your health care team will help find a treatment plan that’s right for you. Sticking to this plan will help avoid further harm to your carotid arteries.
You may need a medical procedure to treat carotid artery disease. Doctors use one of two methods to open narrowed or blocked carotid arteries.
This treatment is mainly for people whose carotid arteries are blocked 50 percent or more.
For the procedure, a surgeon will make a cut in your neck to reach the narrowed or blocked carotid artery. He or she will make a cut in the artery and remove the plaque inside. The artery and your neck will then be stitched up.
Doctors use a procedure called angioplasty (AN-jee-oh-plas-tee) to widen the carotid arteries and restore blood flow to the brain.
A thin tube with a balloon on the end is threaded through a blood vessel in your neck to the narrowed or blocked carotid artery. Once in place, the balloon is inflated to push the plaque outward against the wall of the artery.
A stent (a small mesh tube) is then put in the artery to hold the plaque back and keep the artery open.
<!--/text-->Author/Source: National Heart, Lung & Blood Institute, Division of the National Institutes of Health [NIH]
Retrieved: June 2008