Abstract: According to literature data, atherosclerotic lesions of the arteries of the upper
extremities occur much less frequently than those of the lower extremities - in about 5% of cases
with vascular pathology, in people over 50 years of age. Atherosclerosis most often affects the
initial segment of the a.subclavia, proximal to the separation of the vertebral artery, mainly on
the left side. In adult patients with significant stenosis of the subclavian artery, endovascular
treatment by stenting is applied. In this article, we present a case of a 16-year-old girl with
over 95% stenosis of the subclavian artery sinister and clinical signs. Endovascular treatment
by angiodilation is applied with optimal procedural, post-procedural and clinical results,
without complications
Keywords: endovascular surgery, subclavian artery stenosis, childhood, atherosclerosis

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