Abstract
BackgroundTrue renal artery aneurysms (TRAA) are an uncommon pathology, with a prevalence of less than 1%. Treatment of TRAAs is generally recommended when the aneurysm sac equals or exceeds 2cms. Both wide-necked and main renal artery branch aneurysms represent a challenge for conventional endovascular coil embolization due to the risk of coil migration.Main bodyIntra-procedural remodeling of the aneurysm neck using Balloon Assisted Coil Embolization (BACE) is considered a suitable alternative in challenging cases of visceral artery aneurysms.Short ConclusionWe describe the novel use of the Scepter C (MicroVention Terumo, Tustin, CA) compliant double lumen neurovascular occlusion balloon in the treatment of a wide-necked branch TRAA in a patient with a solitary kidney.
Highlights
A 64-year-old male who previously underwent right nephroureterectomy for transitional cell cancer presented for follow up of an asymptomatic True renal artery aneurysms (TRAA)
Short Conclusion: We describe the novel use of the Scepter C (MicroVention Terumo, Tustin, CA) compliant double lumen neurovascular occlusion balloon in the treatment of a wide-necked branch TRAA in a patient with a solitary kidney
Wide-necked (> 4 mm) and main renal artery branch aneurysms represent a challenge for conventional endovascular coil embolization due to the risk of coil migration (Chung et al, 2016)
Summary
True renal artery aneurysms (TRAA) are uncommon, accounting for 22% of all visceral artery aneurysms with a prevalence of less than 1% (Chung et al, 2016; Kok et al, 2016). Wide-necked (> 4 mm) and main renal artery branch aneurysms represent a challenge for conventional endovascular coil embolization due to the risk of coil migration (Chung et al, 2016). Intra-procedural remodelling of the aneurysm neck using Balloon Assisted Coil Embolization (BACE), a technique adapted from interventional neuroradiology practice, is considered a suitable alternative in challenging cases of visceral artery aneurysms, and is growing in popularity compared to open surgery (Chung et al, 2016; Maingard et al, 2017). We describe the novel use of the Scepter C (MicroVention Terumo, Tustin, CA) compliant double lumen neurovascular occlusion balloon to improve the safety and predictability of BACE treating a wide-necked branch TRAA in a patient with a solitary kidney
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