Renal Artery Angioplasty and Stenting

ABSTRACT

Renal artery stenosis is a major potentially correctable cause of hypertension and is felt to be a contributor to renal failure in up to approximately one fifth of patients older than 50 years beginning hemodialysis. Medical therapy is not a cure for renovascular hypertension and may ultimately contribute to worsening renal function by further decreasing renal perfusion. These observations constitute a compelling argument in favor of renal revascularization. Two decades of experience with percutaneous renal revascularization have been accrued. Renal artery angioplasty and stenting have proven efficacy for treatment of renovascular hypertension and for preservation of renal function. As an effective, minimally invasive therapy with a lower rate of major complications than that of surgical revascularization, percutaneous renal angioplasty and stenting has emerged as the procedure of choice for renal revascularization. Technological progress in angiographic devices and contrast agents renders these techniques applicable to an ever-increasing population of patients with renal artery lesions.

KEYWORD

Renal arteries - stenosis - obstruction - transluminal angioplasty - stents - prostheses

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