Abstract
Introduction: The risk of rupture of true renal artery aneurysms is low but when they are bigger than 2 - 2.5 cm it increases significantly, making treatment essential. The need to use alternatives to conventional techniques in order to avoid predictable complications as coil migration is mandatory. Discussion: Routinely-used techniques in interventional neuroradiology such as flow diverters or those assisted with an occlusion balloon or stent have are suitable alternatives for complex aneurysms. Conclusion: Interventional neuroradiology devices such as the Cascade Net stent (Perflow Medical and Grupo Logsa) and Solitaire AB stent retriever (Medtronic) are valid and safe options. We describe the technique of such devices.
Highlights
The risk of rupture of true renal artery aneurysms is low but when they are bigger than 2 - 2.5 cm it increases significantly, making treatment essential
Routinely-used techniques in interventional neuroradiology such as flow diverters or those assisted with an occlusion balloon or stent have are suitable alternatives for complex aneurysms
We describe the technique of such devices
Summary
True renal artery aneurysms have a prevalence of less than 1%. The risk of rupture is low but when they are bigger than 2 - 2.5 cm it increases significantly, making treatment essential [1]. The endovascular treatment of wide neck aneurysms or aneurysms located in the bifurcations of the renal artery is a challenge for conventional endovascular techniques (simple coil embolisation) due to the risk of coil migration. The use of stents/grafts is another valid but less popular option due to the increased risk of areas of ischaemia in this renal location (bifurcations) [2]
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