No abstract available.
Aneurysm ; Basilar Artery

No abstract available.
Basilar Artery ; Vertebral Artery ; Vertebral Artery Dissection

No abstract available.
Basilar Artery ; Brain Injuries ; Infarction

No abstract available.
Arteries* ; Basilar Artery* ; Magnetic Resonance Imaging*

No abstract available.
Basilar Artery ; Female ; Ovarian Hyperstimulation Syndrome

Surgical approaches for aneurysms of the basilar artery trunk are variable and utilized depending on the location of the aneurysms and direction of the fundus of the aneurysms. We operated one patient with low lying basilar bifurcation aneurysms facing toward the brain stem by subtemporal transpetrosal approach with successful clipping of aneurysms. The advantage of this approach to low-lying basilar bifurcation or basilar trunk aneurysms over the pterional, subtemporal(transtentorial), combined supratentorial and infratentorial, transoral, and suboccipital approach are discussed.
Aneurysm* ; Basilar Artery ; Brain Stem ; Deception ; Humans

There have been known two routes in pterional approach to the distal basilar artery aneurysms : one is via the space between the optic nerve and internal carotid artery(optic-carotid triangle: OCT) and the other is lateral to the ICA(retrocarotid approach : RCA). Although the approach via OCT has several advantages of its own, it had been considered to be used in a very limitted cases. Since we successfully clipped the aneurysms via OCT in 4 cases out of 12(33%), neuroradiological findings observed in these 4 cases are analyzed and reported. Measurement were made in the following items on the cartoid angiogram of the cases operated via OCT(OCT group) and RCA(RCA group) : the distance of ICA bifurcation from midline(D), height of ICA bifurcation from the base line between anterior and posterior clinoid process(H). Although these two values seemed to be higher in OCT group than those in RCA group, no significant difference was found. The product of D and H(D x H) was observed to be significantly higher in OCT group than in RCA group. The value of DxH is considered one of the indicaters of the size of OCT and is proved to be useful to judge whether approach via OCT is applicable or not. The approach via OCT has several such advantages as no injury to the occulomotor nerve, less retraction to ICA and easy visualization of p1 segment of the opposite side. The space of OCT can be used not only for clipping itself but also as a line of sight to the deep structures as well as clip applied from other routes.
Aneurysm ; Basilar Artery* ; Intracranial Aneurysm* ; Optic Nerve

Kissing aneurysms associated with a proximal basilar artery fenestration are an exceedingly rare and unique therapeutic challenge due to anatomical complexity. This report describes double-barrel stent-assisted technique with dual closed-cell stents for the successful endovascular coiling of kissing aneurysms from a proximal basilar artery fenestration.
Aneurysm* ; Basilar Artery* ; Embolization, Therapeutic ; Stents*

No abstract available.
Basilar Artery* ; Rabbits* ; Vasoconstrictor Agents* ; Vasodilator Agents*

A persistent trigeminal artery(PTA) is a rare embryonic channel between internal carotid artery and basilar artery. It can be frequently associated with intracranial aneurysms. But an aneurysm arising from the junction of PTA and internal carotid artery(ICA) is extremely rare. The authors report a case of unruptured right ICA-PTA aneurysm treated with Guglielmi detachable coils successfully. Pathogenesis for the aneurysm formation at the junction of ICA and PTA is discussed.
Aneurysm* ; Arteries* ; Basilar Artery ; Carotid Artery, Internal ; Intracranial Aneurysm