Endovascular flow-diversion of visceral and renal artery aneurysms using dual-layer braided nitinol carotid stents

CVIR Endovascular

article

van Veenendaal, Penelope¹  Maingard, Julian²  Kok, Hong Kuan³  Ranatunga, Dinesh⁶  Buckenham, Tim¹  Chandra, Ronil V.²  Lee, Michael J.⁸  Brooks, Duncan Mark³  Asadi, Hamed¹ 

[1] Interventional Radiology Unit - Monash Imaging, Monash Health;Interventional Neuroradiology Unit, Monash Health;School of Medicine – Faculty of Health, Deakin University;Monash Hospital;Interventional Radiology Service – Department of Radiology, Northern Hospital;Interventional Radiology Service - Department of Radiology, Austin Hospital;Department of Imaging, Monash University;Interventional Radiology Service – Department of Radiology, Beaumont Hospital;Royal College of Surgeons in Ireland;Interventional Neuroradiology Service – Radiology Department, Austin Hospital

关键词: Dual layer;    Stent;    CASPER;    Aneurysm;    Visceral;    Renal;    Splenic;   

DOI  :  10.1186/s42155-020-00125-2

学科分类：计算机科学（综合）

来源: Springer

【 摘 要 】

Visceral and renal artery aneurysms (VRAAs) are uncommon but are associated with a high mortality rate in the event of rupture. Endovascular treatment is now first line in many centres, but preservation of arterial flow may be difficult in unfavourable anatomy including wide necked aneurysms, parent artery tortuosity and proximity to arterial bifurcations. Endovascular stenting, and in particular flow-diversion, is used in neurovascular intervention to treat intracranial aneurysms but is less often utilised in the treatment of VRAAs. The CASPER stent is a low profile dual-layer braided nitinol stent designed for carotid stenting with embolic protection and flow-diversion properties. We report the novel use of the CASPER stent for the treatment of VRAAs. We present a case series describing the treatment of six patients with VRAAs using the CASPER stent. Six patients with unruptured VRAAs were treated electively. There were three splenic artery aneurysms and three renalartery aneurysms. Aneurysms were treated with the CASPER stent, with or without loose aneurysm coil packing or liquid embolic depending on size and morphology. All stents were successfully deployed with no immediate or periprocedural complications. Four aneurysms completely occluded after serial imaging follow up with one case requiring repeat CASPER stenting for complete occlusion. In one patient a single aneurysm remained patent at last follow up, A single case was complicated by delated splenic infarction and surgical splenectomy. Preliminary experience with the CASPER stent suggests it is technically feasible and effective for use in the treatment of VRAAs.

【 授权许可】

CC BY