BACKGROUND AND PURPOSE: The flow-diverter stent has been proved a feasible, safe,
and efficient technique, particularly for the treatment of large and broad-neck carotid siphon …

… Three MCA and three anterior communicating artery aneurysms were treated between 1
and 14 days after rupture but all within the 24 h after the admission in our institution. The WFNS …

BACKGROUND AND PURPOSE: The WEB aneurysm embolization system is still under
evaluation but seems to be a promising technique to treat wide-neck bifurcation aneurysms. …

OBJECT The concept of the flow-diverter stent (FDS) is to induce aneurysmal thrombosis
while preserving the patency of the parent vessel and any covered branches. In some …

… (g, h) Preoperative 3D-DSA images of the ICA and ECA fused with the NBCA cast abstracted
from … Hiroaki Neki accessed the data. Yoshiaki Kakehi accessed the data. Nahoko Uemiya …

Background Aneurysmal recanalization is a problem with endovascular coiling and one of
its risk factors is the low volume embolization ratio (VER). The first coil VER (1st VER) is …

… (h) The coil protrusion moved into the aneurysm after six months. … and one where it
stuck to the vessel wall (Figure 2g and h). Only one case exhibited deterioration (from single-loop …

Background Cerebral vasospasm (CVS) is a major determinant of prognosis in patients with
subarachnoid hemorrhage (SAH). Alteration in the vascular phenotype contributes to …

Mechanically-induced vasospasm often occurs during guiding catheter insertion, occasionally
preventing catheter advancement to the desired location. Delicate manipulation would be …

… (H) Right carotid injection in the same patient before FDS deployment, confirming the
small size PComA. (I) At the 6-month follow-up, the PComA could no longer be seen on …