Endarterectomy for 50% or More Stenosis Without Symptoms

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For some people, the benefits of endarterectomy may not outweigh the risks. This is the case for people who have 50% to 69% carotid stenosis (narrowing) but no symptoms. (Symptoms include a previous TIA or mild stroke.)

Endarterectomy might be recommended for people who have more than 70% carotid stenosis and whose risk of a serious problem is less than 3%. But it is not clear that endarterectomy will lower their risk of a stroke more than medicines and lifestyle changes will. footnote 1


  1. Meschia JF, et al. (2014). Guidelines for the primary prevention of stroke: A statement for healthcare professionals from the American Heart Association/American Stroke Association. Stroke, published online October 28, 2014. DOI: 10.1161/STR.0000000000000046. Accessed October 29, 2014.

ByHealthwise Staff

Primary Medical Reviewer E. Gregory Thompson, MD - Internal Medicine

Martin J. Gabica, MD - Family Medicine

Adam Husney, MD - Family Medicine

Specialist Medical Reviewer Robert A. Kloner, MD, PhD - Cardiology

Current as ofOctober 5, 2017