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Recanalization of Acute Intracranial Artery Occlusion Using Temporary Endovascular Bypass Technique

 Sang Hyun Suh  ;  Kyung-Yul Lee  ;  Kwon Duk Seo  ;  Soo Mee Lim  ;  Hong Gee Roh  ;  Byung Moon Kim 
 Neurointervention, Vol.8(2) : 80-86, 2013 
Journal Title
Issue Date
Stroke ; Recanalization ; Temporary endovascular bypass ; Retrievable stent
Recanalization ; Retrievable stent ; Stroke ; Temporary endovascular bypass
PURPOSE: The purpose of this study is to present our preliminary experience of the temporary endovascular bypass (TEB) technique using an Enterprise stent for recanalization of acute intracranial artery (IA) occlusion. MATERIALS AND METHODS: Patients treated by TEB were enrolled in this retrospective study from January 2009 to May 2010. All the procedures consist of temporary partial deployment and subsequent retrieval of Enterprise stent, supplemented by intra-arterial infusion of urokinase (UK) and/or tirofiban. According to the thrombolysis in cerebral infarction (TICI) classification, recanalization was evaluated with initial and postprocedural angiography. Safety was evaluated related to the procedure and clinical outcomes were assessed by National Institute of Health Stroke Scale (NIHSS) score at discharge and modified Rankin scale (mRS) score at 3 months. RESULTS: Eleven patients (median NIHSS 12.8, mean age 61.6 years, male: female = 8:3) with acute IA occlusion were treated with TEB. All the patients presented with TICI 0, and the occluded vessel was the middle cerebral artery (n=7), the basilar artery (n=1), and the distal ICA occlusion (n = 3). IV infusion of tissue plasminogen activator (tPA) was done in 4 patients and mechanical thrombolysis with intra-arterial UK was performed in 9. Recanalization was achieved in 73% (8 patients; TICI ≥ 2). There were no procedure-related complications except for two asymptomatic intracranial hemorrhages. Improvement (≥ 4 points on the NIHSS) and good outcome (mRS ≤2) after 90 days was shown in six patients (55%). One patient died 6 days after procedure. CONCLUSION: TEB may be a valuable treatment option in acute thromboembolic IA occlusion without stent implantation.
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1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Neurology (신경과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Byung Moon(김병문) ORCID logo https://orcid.org/0000-0001-8593-6841
Seo, Kwon Duk(서권덕)
Suh, Sang Hyun(서상현) ORCID logo https://orcid.org/0000-0002-7098-4901
Lee, Kyung Yul(이경열) ORCID logo https://orcid.org/0000-0001-5585-7739
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