Endovascular treatment of giant intracranial aneurysms with willis covered stents: technical case report.
OBJECTIVE
To evaluate the efficacy of endovascular treatment of giant intracranial aneurysms with Willis covered stents (Micro-Port, Shanghai, China).


METHODS
The endovascular treatment of two cases of giant intracranial aneurysm was successfully accomplished by the placement of Willis covered stents specially designed for intracranial use. Both patients presented with symptoms of cavernous mass effect that resulted from a giant aneurysm in the cavernous segment of the internal carotid artery.


METHODS
Three Willis covered stents were successfully placed in two patients. Immediate postprocedure angiograms demonstrated some endoleak of the aneurysms. In one patient, the endoleak was eliminated and complete exclusion of the aneurysms was confirmed with follow-up angiography. However, the other patient required the placement of a new Willis covered stent.


CONCLUSIONS
The use of covered stents in intracranial vascular structures is a feasible method to treat selected cases of intracranial giant aneurysms. It is suggested that patients who present with compressive mass effect caused by large or giant aneurysms are the best candidates for covered stent placement, but potential complications should be considered carefully before the stenting procedure.
Wang
Jian B
JB
Institute of Diagnostic and Interventional Radiology, Shanghai Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai, China.
Li
Ming H
MH
Fang
Chun
C
Wang
Wu
W
Cheng
Ying S
YS
Zhang
Pei L
PL
Du
Zhuo Y
ZY
Wang
Jue
J
D000328:Adult; D002533:Cerebral Angiography; D005260:Female; D006801:Humans; D002532:Intracranial Aneurysm / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D019635:Neurosurgical Procedures / Q000295:instrumentation*; D015607:Stents; D014656:Vascular Surgical Procedures / Q000295:instrumentation*