Plaque build up can occur anywhere in the body including the artery supplying the arm (subclavian artery). When significant blockage occurs in this artery, there is decreased blood flow to the muscles of the arm and hand resulting in symptoms.
Symptoms of subclavian artery disease may include arm:
Testing for subclavian artery disease may include:
Treatment for subclavian artery disease includes smoking cessation (when appropriate), additional risk factor modification to reduce likelihood of more plaque build up (similar to management for coronary artery disease), and when necessary to restore blood flow, stent placement or bypass surgery.