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J Chin Med Assoc. 2012 Jul;75(7):322-8. doi: 10.1016/j.jcma.2012.05.003. Epub 2012 Jun 29.

Stent-assisted coil embolization of intracranial aneurysms: a single center experience.

Author information

1
Department of Radiology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC. cbluo@vghtpe.gov.tw

Abstract

BACKGROUND:

Endovascular detachable coil embolization has become an important method in the management of intracranial aneurysms. However, coil embolization alone may fail to treat some wide-neck aneurysms. Herein, we report our experience with and outcome of stent-assisted coil embolization (SACE) of intracranial aneurysms.

METHODS:

Over a 5-year period, a total of 59 patients diagnosed with 63 intracranial aneurysms underwent SACE. Of the total 63 aneurysms, 6 aneurysms were treated by SACE as a salvageable procedure because of coil instability after detachment. There were 17 men and 42 women enrolled in the study, with ages ranging from 24 to 86 years (mean: 60 years). We retrospectively assessed the clinical data, aneurysm characteristics, and angiographic and clinical outcomes of all patient cases.

RESULTS:

The mean aneurysm size was 9.4 mm, and the mean neck size was 5.5 mm. Clinical and angiographic follow-up exceeding 6 months were available in 51 and 40 patients, respectively. The mean clinical follow-up time was 28 months (range: 6-49 months). Successful stent deployment was found in 60 aneurysms (95%). Midterm total or subtotal angiographic aneurismal occlusion was obtained in 56 aneurysms (89%), with further thrombosis of the aneurismal sac occurring in 4 (10%). Stable coiling aneurysm was found in 24 (78%), aneurysm recurrence was observed in 5 (13%), and permanent procedural morbidity was observed in two patients (3.4%). During the follow-up period, there were no hemorrhagic events and no stent displacement.

CONCLUSION:

Despite a modest procedural complication rate, and some evidence of aneurismal recurrence, SACE was proved to be both effective and safe in managing wide-neck intracranial aneurysms. Our results also demonstrated the midterm durability and stability of aneurysm treated by SACE. Furthermore, SACE can be a salvageable procedure in cases with coil instability after detachment.

PMID:
22824046
DOI:
10.1016/j.jcma.2012.05.003
[Indexed for MEDLINE]
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