Life expectancy with a blocked carotid artery depends on a number of factors, including the severity of the blockage, the presence of other medical conditions, and the patient’s age and lifestyle.
People with a blockage in one carotid artery (carotid stenosis) have a higher risk of stroke than people with no blockages. The risk of stroke increases as the blockage becomes more severe.
For example, people with a blockage of 70% or more are at a significantly higher risk of stroke than people with a blockage of less than 50%.
Other medical conditions that can increase the risk of stroke include high blood pressure, high cholesterol, diabetes, and heart disease. People with multiple medical conditions are at an even higher risk of stroke.
Age is also a factor in life expectancy with a blocked carotid artery. Older adults are at a higher risk of stroke than younger adults.
Lifestyle factors, such as smoking, obesity, and lack of exercise, can also increase the risk of stroke.
Treatment for a blocked carotid artery
There are a number of treatments available for a blocked carotid artery, including:
- Medications: Medications such as statins, blood pressure medications, and blood thinners can help to reduce the risk of stroke.
- Surgery: Surgery to remove the plaque from the carotid artery (carotid endarterectomy) or to place a stent in the artery to keep it open may be recommended for people with a high risk of stroke.
Life expectancy with treatment
With treatment, most people with a blocked carotid artery can live a long and healthy life. However, the risk of stroke remains even after treatment. It is important to continue to take medications as prescribed and to make healthy lifestyle choices to reduce the risk of stroke.
Life expectancy without treatment
Without treatment, the risk of stroke is higher. The severity of the stroke and the patient’s age and overall health will determine the outcome. Some people will make a full recovery, while others will have permanent disabilities or die.
Overall, life expectancy with a blocked carotid artery depends on a number of factors. With treatment, most people can live a long and healthy life.
Additional information
Here are some additional things to keep in mind about life expectancy with a blocked carotid artery:
Asymptomatic carotid artery stenosis: People with a blocked carotid artery who have no symptoms (asymptomatic carotid artery stenosis) have a better life expectancy than people with symptoms.
Symptomatic carotid artery stenosis: People with a blocked carotid artery who have symptoms (symptomatic carotid artery stenosis) have a worse life expectancy than people with no symptoms.
Transient ischemic attack (TIA): People who have had a transient ischemic attack (TIA), also known as a mini-stroke, are at a higher risk of stroke in the future.
Stroke: People who have had a stroke have a higher risk of another stroke in the future.
Talk to your doctor
If you have a blocked carotid artery, talk to your doctor about your life expectancy and the best way to manage your condition.
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