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E-024 Primary Intracranial Stenting for Refractory Reocclusion during Stent-Based Mechanical Thrombectomy for Acute Ischemic Stroke Intervention
  1. S Sheen,
  2. J Shin
  1. Neurosurgery, Bundang Jaesang General Hospital, Seoul, Republic of Korea

Abstract

Purpose To evaluate clinical and radiologic outcomes of primary intracranial stenting for refractory re-occlusion during stent-based mechanical thrombectomy for acute ischemic stroke intervention.

Method From January 2011 through September 2015, A retrospective study was performed in 27 patients who had hyperacute ischemic stroke and were treated by primary intracranial stenting for refractory re-occlusion during stent-based mechanical thrombectomy. We studied radiologic appearance, clinical presentation and follow up outcomes.

Result Of the 27 patients, 11 patients (40%) showed radiologic and clinical improvement, 5 patients (18%) showed clinical improvement with in-stent stenosis, 6 patients (22%) had complication with hemorrhagic transformation and 4 patients (14%) failed recanalization or severe stenosis. In all cases, we use Solitaire FR stent. 6 patients (22%) were TICI grade III, 10 patients (37%) were TICI grade IIb, 4 patients (14%) were TICI grade IIa, and 4 patients (14%) were TICI grade I. After 3 months, 15 patients (55%) were below mRS 3 points and after 6 month, 18 patients (67%) were below mRS 3 points.

Conclusions These results indicate that primary intracranial stenting for refractory re-occlusion during stent-based mechanical thrombectomy treatment in acute ischemic stroke is effective technique. Further studies are needed to evaluate long-term occlusion and in-stent stenosis.

Disclosures S. Sheen: None. J. Shin: None.

This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work noncommercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/

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