الفهرس 
New endovascular approaches in management of intracranial complex bifurcation aneurysms not amenable to simple coiling
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Abstract
Aneurysmal subarachnoid hemorrhage (SAH) is a worldwide health burden
with high fatality and permanent disability rates. The estimated worldwide
incidence of SAH is 9/100,000 persons/year. Ruptured cerebral aneurysms account
for 75%-85% of non-traumatic SAH. The overall prognosis depends on the volume
of the initial bleed, re-bleeding, and degree of delayed cerebral ischemia. The
International Subarachnoid Aneurysm Trial (ISAT) reported a favorable
neurological outcome with the endovascular coiling procedure (D’Souza, 2015).
Wide-neck (when the neck is >4 mm, or when the dome/neck ratio <1.5-2)
intracranial aneurysms were originally thought to be either untreatable or very
challenging to treat by endovascular means because of the risk of coil protrusion
into the parent vessel. The introduction of the balloon remodeling technique (BRT)
and later stents specifically designed for intracranial use has progressively allowed
these lesions to be endovascularly treated