- A diagnosis of a ruptured or unruptured brain aneurysm deemed suitable for repair by neuroendovascular techniques involving intraluminal occlusion by detachable platinum coils, stent-assisted coiling, pipeline stent, balloon-assisted coiling, covered stent only, neck-bridge device, re-coiling, or re-treatment of a previously coiled/treated aneurysm. There are no restrictions on adjunctive devices. For patients with a ruptured aneurysm, endovascular repair must take place within 72 hours of the ictal haemorrhage.