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Renal aneurysms: surgical vs. endovascular treatment.

Renal artery aneurysms (RAA) are rare (general population incidence is 0.09%). At this time, the appropriateness of the type of intervention ‑ surgical or endovascular ‑ is based on single center experiences rather than large randomized trials. Endovascular therapy offers less morbidity but surgery has excellent long-term results. In reality, the choice of the treatment relies on the operative risk. A patient with a RAA and good surgical risk should be offered open surgery. If the patient is deemed to be at high risk from surgery then the choice of the type of endovascular treatment (stent grafting, coil/glue embolization, multilayer stenting) should be based on the location and shape of the RAA. RAA should be treated by surgeons/interventionalists who have demonstrated expertise in renal artery procedures.