Percutaneous transluminal angioplasty of the subclavian artery: Early and late results |
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Authors: | Dr G Wilms A Baert D Dewaele J Vermylen A Nevelsteen R Suy |
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Institution: | (1) Department of Radiology, University Hospitals K.U. Leuven, B-3000 Leuven, Belgium;(2) Department of Thrombose and Vascular Research, University Hospitals K.U. Leuven, Leuven, Belgium;(3) Department of Cardiovascular Surgery, University Hospitals K.U. Leuven, Leuven, Belgium |
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Abstract: | Percutaneous transluminal angioplasty of 23 subclavian arteries was attempted in 22 patients. Dilatation was successful in
3 of 4 right subclavian artery stenoses and 18 of 19 left subclavian artery stenoses. The primary clinical indication was
posterior fossa ischemia in 11 patients, upper limb ischemia in 14 and both symptoms in 6. In 2 patients, dilatation of an
asymptomatic high-degree left subclavian artery stenosis was performed before coronary artery bypass surgery using the internal
mammary artery. Eighteen patients on follow-up over 6–60 months (mean 25 months) are free of symptoms with equivalent systolic
blood pressures in both arms. Three patients showed relapse of the stenosis after 8, 12, and 15 months; one was successfully
treated with a second dilatation. Complications consisted of an occlusion at the left axillary artery puncture site and a
distal embolus to a finger artery. Percutaneous transluminal angioplasty appears safe and efficient therapy for subclavian
artery stenoses with excellent short- and long-term results. |
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Keywords: | Arteries transluminal angioplasty Arteries subclavian Subclavian steal syndrome |
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