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Renal Artery Stenosis.

Begelman1, Olin

  • 1Department of Vascular Medicine, Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH 44195, USA.

Current Treatment Options in Cardiovascular Medicine
|November 30, 2000
PubMed
Summary
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Renal artery stenosis may require revascularization for uncontrolled hypertension or kidney damage. Procedures like angioplasty or surgery are considered when medical management fails or in specific severe cases.

Area of Science:

  • Cardiology
  • Nephrology
  • Vascular Surgery

Background:

  • Renal artery stenosis (RAS) is a significant cause of secondary hypertension and ischemic nephropathy.
  • Pharmacologic therapy, including angiotensin-converting enzyme inhibitors for unilateral disease, is the initial treatment.
  • Guidelines for hypertension management should be followed.

Purpose of the Study:

  • To outline the indications for renal artery revascularization in patients with RAS.
  • To detail the preferred revascularization techniques for different types of RAS.
  • To emphasize the role of revascularization in preserving renal function and managing resistant hypertension.

Main Methods:

  • Review of indications for surgical or endovascular renal artery revascularization.

Related Experiment Videos

  • Discussion of treatment algorithms based on stenosis severity and patient presentation.
  • Comparison of percutaneous transluminal angioplasty, stenting, and surgical repair.

    • Main Results:

    • Revascularization is recommended for >75% stenosis with resistant hypertension, recurrent pulmonary edema, dialysis-dependent failure, bilateral stenosis, or solitary kidney involvement.
    • Percutaneous transluminal angioplasty is preferred for fibromuscular disease.
    • Angioplasty with stenting is the choice for atherosclerotic RAS, particularly ostial/proximal disease.

    Conclusions:

    • Renal artery revascularization is a key intervention for specific patient groups with RAS.
    • Endovascular approaches are generally preferred, with surgical options reserved for complex cases or concurrent aortic surgery.
    • Timely revascularization can preserve renal function and improve blood pressure control.