Frontline Contact Aspiration Treatment for Emergent Large Vessel Occlusion: A Review Focused on Practical Techniques

Endovascular thrombectomy (EVT) as the standard care for acute stroke due to large vessel occlusion has recently been validated through several randomized controlled trials (RCTs). Contact aspiration (CA) and stent retriever (SR) are the two major EVT methods currently used. Because the RCTs have mo...

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Main Authors: Dong-Hun Kang, Yang-Ha Hwang
Format: Article
Language:English
Published: Korean Stroke Society 2019-01-01
Series:Journal of Stroke
Subjects:
Online Access:http://www.j-stroke.org/upload/pdf/jos-2018-03076.pdf
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author Dong-Hun Kang
Yang-Ha Hwang
author_facet Dong-Hun Kang
Yang-Ha Hwang
author_sort Dong-Hun Kang
collection DOAJ
description Endovascular thrombectomy (EVT) as the standard care for acute stroke due to large vessel occlusion has recently been validated through several randomized controlled trials (RCTs). Contact aspiration (CA) and stent retriever (SR) are the two major EVT methods currently used. Because the RCTs have mostly evaluated SR devices, there was a demand to test CA in relation to SR as a frontline EVT treatment method. Recently, the Contact Aspiration vs Stent Retriever for Successful Recanalization (ASTER) study, the first RCT to compare CA and SR, demonstrated similar efficacy between them as a frontline EVT for patients with large vessel occlusions. This facilitates further investigation to confirm better frontline EVT for patients with acute stroke. In this review, we discuss past and recent developments in CA techniques, focusing on related literature. Additionally, we describe practical skills to overcome technical difficulties that can be encountered during the CA procedure. Finally, we review the evolution of device technologies, including a newer version of using a large-bore aspiration catheter.
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spelling doaj.art-172b95fe435945689baf0ea6a6abb5742022-12-22T01:38:50ZengKorean Stroke SocietyJournal of Stroke2287-63912287-64052019-01-01211102210.5853/jos.2018.03076260Frontline Contact Aspiration Treatment for Emergent Large Vessel Occlusion: A Review Focused on Practical TechniquesDong-Hun Kang0Yang-Ha Hwang1 Department of Neurosurgery, Kyungpook National University Hospital, School of Medicine, Kyungpook National University, Daegu, Korea Department of Neurology, Kyungpook National University Hospital, School of Medicine, Kyungpook National University, Daegu, KoreaEndovascular thrombectomy (EVT) as the standard care for acute stroke due to large vessel occlusion has recently been validated through several randomized controlled trials (RCTs). Contact aspiration (CA) and stent retriever (SR) are the two major EVT methods currently used. Because the RCTs have mostly evaluated SR devices, there was a demand to test CA in relation to SR as a frontline EVT treatment method. Recently, the Contact Aspiration vs Stent Retriever for Successful Recanalization (ASTER) study, the first RCT to compare CA and SR, demonstrated similar efficacy between them as a frontline EVT for patients with large vessel occlusions. This facilitates further investigation to confirm better frontline EVT for patients with acute stroke. In this review, we discuss past and recent developments in CA techniques, focusing on related literature. Additionally, we describe practical skills to overcome technical difficulties that can be encountered during the CA procedure. Finally, we review the evolution of device technologies, including a newer version of using a large-bore aspiration catheter.http://www.j-stroke.org/upload/pdf/jos-2018-03076.pdfbrain infarctionembolismatherosclerosisendovascular proceduresthrombectomyreperfusion
spellingShingle Dong-Hun Kang
Yang-Ha Hwang
Frontline Contact Aspiration Treatment for Emergent Large Vessel Occlusion: A Review Focused on Practical Techniques
Journal of Stroke
brain infarction
embolism
atherosclerosis
endovascular procedures
thrombectomy
reperfusion
title Frontline Contact Aspiration Treatment for Emergent Large Vessel Occlusion: A Review Focused on Practical Techniques
title_full Frontline Contact Aspiration Treatment for Emergent Large Vessel Occlusion: A Review Focused on Practical Techniques
title_fullStr Frontline Contact Aspiration Treatment for Emergent Large Vessel Occlusion: A Review Focused on Practical Techniques
title_full_unstemmed Frontline Contact Aspiration Treatment for Emergent Large Vessel Occlusion: A Review Focused on Practical Techniques
title_short Frontline Contact Aspiration Treatment for Emergent Large Vessel Occlusion: A Review Focused on Practical Techniques
title_sort frontline contact aspiration treatment for emergent large vessel occlusion a review focused on practical techniques
topic brain infarction
embolism
atherosclerosis
endovascular procedures
thrombectomy
reperfusion
url http://www.j-stroke.org/upload/pdf/jos-2018-03076.pdf
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