TITLE

The Use of Flow-Diverting Stents in the Treatment of Giant Cerebral Aneurysms: Preliminary Results

AUTHOR(S)
Cirillo, L.; Dalľolio, M.; Princiotta, C.; Simonetti, L.; Stafa, A.; Toni, F.; Leonardi, M.
PUB. DATE
April 2010
SOURCE
Neuroradiology Journal;Apr2010, Vol. 23 Issue 2, p220
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The treatment of giant cerebral aneurysms has always been a challenge for neurosurgeons and neuroradiologists. Flow-diverting stents (Silk; Pipeline Embolization Device) are new endovascular devices introduced for the treatment of intracranial aneurysms without release of intrasaccular coils. They are tubular bimetallic endoluminal devices with low porosity. We have employed these stents in the Neuroradiology Unit of Bellaria Hospital (Bologna, Italy) since the end of 2008, treating nine patients with giant carotid cerebral aneurysms using nine Silk stents as soon as the device obtained the CE mark. All patients were pretreated with dual antiplatelet medications before surgery. The Silk stents were deployed through a 4F Balt introducer, which ensured an uneventful and very quick procedure. Control CT angiography or MR angiography was typically performed at discharge and one, three, six and 12 months after treatment. Post-treatment results were: four complete occlusions, three near complete occlusions (residual neck flow) with reduced volume of the aneurysm and two more than 50% reduction of intra-aneurysmal flow. A fatal hemorrhagic complication occurred in one patient, probably due to the antiplatelet treatment. The Silk stent seems a very interesting curative device to treat giant aneurysms with preservation of the parent artery and small adjacent branches. Technical improvements will certainly reduce the thrombogenic effect with the related risks.
ACCESSION #
51252477

 

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