TITLE

Medium-Term Results Using the Leo Self-Expanding Stent in the Treatment of Complex Intracranial Aneurysms

AUTHOR(S)
Pardo, M. I.; Pumar, J. M.; Blanco, M.; Vazquez, F.; Guimaraens, L.; Casasco, A.
PUB. DATE
October 2008
SOURCE
Neuroradiology Journal;Oct2008, Vol. 21 Issue 5, p704
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The preliminary experience with the Leo microstent in combination with detachable coils for the treatment of patients with wide-necked cerebral aneurysms is reported, and the technical complications and recommendations for optimum placement and deployment are discussed. Thirty.two patients identified as harboring wide-necked aneurysm were selected for stent-assisted coiling. Aneurysms were paraophthalmic-cavernous in 13 cases, eight were located at the posterior communicating artery, four at the basilar artery, three at the vertebral arteries, two at the posterior cerebral arteries, one at the right middle artery, and one at the right posterior inferior cerebellar artery. After appropriate antiplatelet therapy, the Leo stent was delivered to the aneurysm site and positioned without difficulty, except in four cases requiring the use of steam to shape the tip of the Vasco microcatheter. Angiographic follow-up was undertaken at six months in 32 patients, at one year in 27 patients, and at two years in 20 patients. Stent placement in the desired position with complete or near complete occlusion of the aneurysm was feasible in all patients. In one patient, the stent was slightly displaced during microwire manipulation for aneurysm microcatheterization. Two-year angiography in 20 patients showed 18 complete occlusions and two aneurysms with a minimal residual neck. The Leo stent represents a significant advancement in the vascular treatment of intracranial aneurysms providing high radial force and an easy delivery system i.e., it is a feasible, secure and effective system.
ACCESSION #
37835963

 

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