JOURNAL ARTICLE

Stent for temporary endovascular bypass and thrombectomy in major ischemic stroke

José E Cohen, John M Gomori, Ronen R Leker, David Arkadir, Eyal Itshayek
Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia 2011, 18 (3): 369-73
21256030
Endovascular techniques for acute stroke have evolved from a pharmacological to a mechanical approach. We report illustrative cases of successful anterior circulation recanalization in patients with large arterial occlusions, using a stent-based technique to perform arterial recanalization and thrombectomy, without permanent stent implantation. Four patients (mean age 59 years), presented with National Institutes of Health Stroke Scale (NIHSS) scores of 18 to 24, from 2 hours to 6 hours after stroke onset, with middle cerebral artery (MCA), MCA branch, internal carotid artery (ICA) terminus, or tandem ICA-MCA occlusions. A closed-cell stent was temporarily inserted to achieve temporary endovascular bypass, and then used as a thrombectomy device during withdrawal. Rapid and complete recanalization with successful thrombectomy was achieved in all patients within 28 minutes to 52 minutes. One week after treatment patients achieved NIHSS scores of 2 to 5, with no hemorrhagic complications. This approach allowed rapid endovascular revascularization and thrombectomy, without permanent stent implant. Stent-based thrombectomy devices may become a valuable tool in the management of acute ischemic stroke.

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