Mechanical recanalization in ischemic anterior circulation stroke within an 8-hour time window: a real-world experience

PURPOSE:We aimed to assess the safety and effectiveness of mechanical recanalization in patients with ischemic stroke in the anterior circulation within 8 h since symptoms onset and with unknown onset time. We compared time intervals <6 h vs. 6–8 h/unknown onset time, as only limited data are ava...

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Main Authors: Dagmar Krajíčková, Antonín Krajina, Roman Herzig, Miroslav Lojík, Vendelín Chovanec, Jan Raupach, Eva Vítková, Jan Waishaupt, Oldřich Vyšata, Martin Vališ
Format: Article
Language:English
Published: Galenos Publishing House 2017-11-01
Series:Diagnostic and Interventional Radiology
Online Access: http://www.dirjournal.org/archives/archive-detail/article-preview/mechanical-recanalization-in-ischemic-anterior-cir/55225
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author Dagmar Krajíčková
Antonín Krajina
Roman Herzig
Miroslav Lojík
Vendelín Chovanec
Jan Raupach
Eva Vítková
Jan Waishaupt
Oldřich Vyšata
Martin Vališ
author_facet Dagmar Krajíčková
Antonín Krajina
Roman Herzig
Miroslav Lojík
Vendelín Chovanec
Jan Raupach
Eva Vítková
Jan Waishaupt
Oldřich Vyšata
Martin Vališ
author_sort Dagmar Krajíčková
collection DOAJ
description PURPOSE:We aimed to assess the safety and effectiveness of mechanical recanalization in patients with ischemic stroke in the anterior circulation within 8 h since symptoms onset and with unknown onset time. We compared time intervals <6 h vs. 6–8 h/unknown onset time, as only limited data are available for a time window beyond 6 h.METHODS:Our cohort included 110 consecutive patients (44 males; mean age, 73.0±11.5 years) with ischemic stroke in the anterior circulation due to the acute occlusion of a large intracranial artery who underwent mechanical recanalization within an 8-hour time window or with unknown onset time. All patients underwent unenhanced computed tomography (CT) of the brain, CT angiography of the cervical and intracranial arteries and digital subtraction angiography. Perfusion CT was performed in patients beyond a 6-hour time window/with unknown onset time. We collected the following data: baseline characteristics, presence of risk factors, neurologic deficit at the time of treatment, time to therapy, recanalization rate, and 3-month clinical outcome. Successful recanalization was defined as Thrombolysis in Cerebral Infarction score of 2b/3 and good clinical outcome as modified Rankin scale value of 0–2 points.RESULTS:Successful recanalization was achieved in 82 patients (74.5%): in 61 patients treated within 6 h (73.5%), 7 patients treated within 6–8 h (63.6%), and 13 patients with unknown onset time (81.3%). Good 3-month clinical outcome was achieved in 61 patients (55.5%): in 46 patients treated within 6 h (55.4%), 5 patients treated within 6–8 h (45.5%), and 10 patients with unknown onset time (62.5%). Recanalization success or clinical outcome were not significantly different between patients treated at different time windows.CONCLUSION:Our data confirms the safety and effectiveness of mechanical recanalization performed in carefully selected patients with ischemic stroke in the anterior circulation within 8 h of stroke onset or with unknown onset time in everyday practice.
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spelling doaj.art-48bedd7ff1b54f6a82ccd1a5814731e82023-09-06T13:24:36ZengGalenos Publishing HouseDiagnostic and Interventional Radiology1305-38251305-36122017-11-0123646547110.5152/dir.2017.1704913049054Mechanical recanalization in ischemic anterior circulation stroke within an 8-hour time window: a real-world experienceDagmar Krajíčková0Antonín Krajina1Roman Herzig2Miroslav Lojík3Vendelín Chovanec4Jan Raupach5Eva Vítková6Jan Waishaupt7Oldřich Vyšata8Martin Vališ9 Department of Neurology, Comprehensive Stroke Center, Charles University Faculty of Medicine and University Hospital, Hradec Králové, Czech Republic Department of Radiology, Comprehensive Stroke Center, Charles University Faculty of Medicine and University Hospital, Hradec Králové, Czech Republic Department of Neurology, Comprehensive Stroke Center, Charles University Faculty of Medicine and University Hospital, Hradec Králové, Czech Republic Department of Radiology, Comprehensive Stroke Center, Charles University Faculty of Medicine and University Hospital, Hradec Králové, Czech Republic Department of Radiology, Comprehensive Stroke Center, Charles University Faculty of Medicine and University Hospital, Hradec Králové, Czech Republic Department of Radiology, Comprehensive Stroke Center, Charles University Faculty of Medicine and University Hospital, Hradec Králové, Czech Republic Department of Neurology, Comprehensive Stroke Center, Charles University Faculty of Medicine and University Hospital, Hradec Králové, Czech Republic Department of Neurology, Comprehensive Stroke Center, Charles University Faculty of Medicine and University Hospital, Hradec Králové, Czech Republic Department of Neurology, Comprehensive Stroke Center, Charles University Faculty of Medicine and University Hospital, Hradec Králové, Czech Republic Department of Neurology, Comprehensive Stroke Center, Charles University Faculty of Medicine and University Hospital, Hradec Králové, Czech Republic PURPOSE:We aimed to assess the safety and effectiveness of mechanical recanalization in patients with ischemic stroke in the anterior circulation within 8 h since symptoms onset and with unknown onset time. We compared time intervals <6 h vs. 6–8 h/unknown onset time, as only limited data are available for a time window beyond 6 h.METHODS:Our cohort included 110 consecutive patients (44 males; mean age, 73.0±11.5 years) with ischemic stroke in the anterior circulation due to the acute occlusion of a large intracranial artery who underwent mechanical recanalization within an 8-hour time window or with unknown onset time. All patients underwent unenhanced computed tomography (CT) of the brain, CT angiography of the cervical and intracranial arteries and digital subtraction angiography. Perfusion CT was performed in patients beyond a 6-hour time window/with unknown onset time. We collected the following data: baseline characteristics, presence of risk factors, neurologic deficit at the time of treatment, time to therapy, recanalization rate, and 3-month clinical outcome. Successful recanalization was defined as Thrombolysis in Cerebral Infarction score of 2b/3 and good clinical outcome as modified Rankin scale value of 0–2 points.RESULTS:Successful recanalization was achieved in 82 patients (74.5%): in 61 patients treated within 6 h (73.5%), 7 patients treated within 6–8 h (63.6%), and 13 patients with unknown onset time (81.3%). Good 3-month clinical outcome was achieved in 61 patients (55.5%): in 46 patients treated within 6 h (55.4%), 5 patients treated within 6–8 h (45.5%), and 10 patients with unknown onset time (62.5%). Recanalization success or clinical outcome were not significantly different between patients treated at different time windows.CONCLUSION:Our data confirms the safety and effectiveness of mechanical recanalization performed in carefully selected patients with ischemic stroke in the anterior circulation within 8 h of stroke onset or with unknown onset time in everyday practice. http://www.dirjournal.org/archives/archive-detail/article-preview/mechanical-recanalization-in-ischemic-anterior-cir/55225
spellingShingle Dagmar Krajíčková
Antonín Krajina
Roman Herzig
Miroslav Lojík
Vendelín Chovanec
Jan Raupach
Eva Vítková
Jan Waishaupt
Oldřich Vyšata
Martin Vališ
Mechanical recanalization in ischemic anterior circulation stroke within an 8-hour time window: a real-world experience
Diagnostic and Interventional Radiology
title Mechanical recanalization in ischemic anterior circulation stroke within an 8-hour time window: a real-world experience
title_full Mechanical recanalization in ischemic anterior circulation stroke within an 8-hour time window: a real-world experience
title_fullStr Mechanical recanalization in ischemic anterior circulation stroke within an 8-hour time window: a real-world experience
title_full_unstemmed Mechanical recanalization in ischemic anterior circulation stroke within an 8-hour time window: a real-world experience
title_short Mechanical recanalization in ischemic anterior circulation stroke within an 8-hour time window: a real-world experience
title_sort mechanical recanalization in ischemic anterior circulation stroke within an 8 hour time window a real world experience
url http://www.dirjournal.org/archives/archive-detail/article-preview/mechanical-recanalization-in-ischemic-anterior-cir/55225
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