Assertion: renal artery's stenosis | /r/CreatedBy | fibromuscular dysplasia
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text: Until the beginning of the 1990s, balloon angioplasty was the only method of percutaneous treatment of renal artery stenosis (RAS) with satisfying acute and long-term results for angioplasty of stenoses caused by fibromuscular dysplasia (FMD) and atherosclerotic RAS of the renal artery trunk, with procedural success rates of 82–100% and restenosis rates of about 10%.3–7 Balloon angioplasty of ostial atherosclerotic lesions was limited by a low acute technical success rate of 50–62% and a high restenosis rate of up to 47% in the long term due to dissections, elastic recoil and rigidity of the lesion in calcified stenoses.3,8