Bilateral renal artery aneurysm: percutaneous treatment with stent-graft placement

R Gandini1, A Spinelli, E Pampana

  • 1Department of Diagnostic Imaging and Interventional Radiology, University of Tor Vergata, Viale Oxford 81, 00133 Rome, Italy.

Insights

This study demonstrates successful treatment of bilateral renal artery stenosis and aneurysms using stent-grafts. The procedure significantly improved blood pressure and renal function in a patient with renovascular hypertension.

Area of Science:

  • Interventional Cardiology
  • Nephrology
  • Vascular Surgery

Background:

  • Renovascular hypertension poses a significant risk for cardiovascular and renal complications.
  • Bilateral renal artery stenosis and aneurysms present complex therapeutic challenges.
  • Accurate diagnosis is crucial for effective management of renal artery disease.

Observation:

  • A 51-year-old male presented with severe hypertension and impaired renal function.
  • Doppler ultrasound and magnetic resonance angiography identified bilateral renal artery stenosis and aneurysms.
  • The patient had a history of poorly controlled hypertension despite dual-drug therapy.

Findings:

  • Successful deployment of bilateral polytetrafluoroethylene (PTFE)-covered nitinol stent-grafts.
  • Post-procedure angiography confirmed resolution of stenosis and aneurysm exclusion.
  • Six-month follow-up showed restored renal artery patency, reduced blood pressure, and improved renal function.

Implications:

  • Stent-graft repair is an effective treatment for complex bilateral renal artery stenosis and aneurysms.
  • This intervention can lead to significant clinical improvement in patients with renovascular hypertension.
  • Minimally invasive techniques offer a promising approach to managing challenging vascular conditions.

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