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Stenting of a large thrombus-containing subclavian artery stenosis using a distal protection device.

Atheromatous obstructive lesions of the arch vessels that contain thrombi are at high risk for distal embolization during angioplasty. This can lead to catastrophic neurological complications. We report a case of acute-on-chronic ischemia of the left upper limb due to thrombus-containing subclavian artery stenosis. After placement of an intravascular filter device, angioplasty and stent implantation successfully relieved the stenosis without any complications.