Effectiveness and safety of EVT in patients with acute LVO and low NIHSS

There is much uncertainty in endovascular treatment (EVT) decisions in patients with acute large vessel occlusion (LVO) and mild neurological deficits. From a prospective, nationwide stroke registry, all patients with LVO and baseline NIHSS <6 presenting within 24 h from the time last known well...

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Published inFrontiers in neurology Vol. 13; p. 955725
Main Authors Kim, Beom Joon, Menon, Bijoy K., Yoo, Joonsang, Han, Jung Hoon, Kim, Bum Joon, Kim, Chi Kyung, Kim, Jae Guk, Kim, Joon-Tae, Park, Hyungjong, Baik, Sung Hyun, Han, Moon-Ku, Kang, Jihoon, Kim, Jun Yup, Lee, Keon-Joo, Park, Jong-Moo, Kang, Kyusik, Lee, Soo Joo, Cha, Jae-Kwan, Kim, Dae-Hyun, Jeong, Jin-Heon, Park, Tai Hwan, Park, Sang-Soon, Lee, Kyung Bok, Lee, Jun, Hong, Keun-Sik, Cho, Yong-Jin, Park, Hong-Kyun, Lee, Byung-Chul, Yu, Kyung-Ho, Oh, Mi-Sun, Kim, Dong-Eog, Ryu, Wi-Sun, Choi, Kang-Ho, Choi, Jay Chol, Kim, Joong-Goo, Kwon, Jee-Hyun, Kim, Wook-Joo, Shin, Dong-Ick, Yum, Kyu Sun, Sohn, Sung-Il, Hong, Jeong-Ho, Kim, Chulho, Lee, Sang-Hwa, Lee, Juneyoung, Almekhlafi, Mohammed A., Demchuk, Andrew, Bae, Hee-Joon
Format Journal Article
LanguageEnglish
Published Switzerland Frontiers Media S.A 05.08.2022
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Online AccessGet full text
ISSN1664-2295
1664-2295
DOI10.3389/fneur.2022.955725

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Abstract There is much uncertainty in endovascular treatment (EVT) decisions in patients with acute large vessel occlusion (LVO) and mild neurological deficits. From a prospective, nationwide stroke registry, all patients with LVO and baseline NIHSS <6 presenting within 24 h from the time last known well (LKW) were included. Early neurological deterioration (END) developed before EVT was prospectively collected as an increasing total NIHSS score ≥2 or any worsening of the NIHSS consciousness or motor subscores during hospitalization not related to EVT. Significant hemorrhage was defined as PH2 hemorrhagic transformation or hemorrhage at a remote site. The modified Rankin Scale (mRS) was prospectively collected at 3 months. Among 1,083 patients, 149 (14%) patients received EVT after a median of 5.9 [3.6-12.3] h after LKW. In propensity score-matched analyses, EVT was not associated with mRS 0-1 (matched OR 0.99 [0.63-1.54]) but increased the risk of a significant hemorrhage (matched OR, 4.51 [1.59-12.80]). Extraneous END occurred in 207 (19%) patients after a median of 24.5 h [IQR, 13.5-41.9 h] after LKW (incidence rate, 1.41 [95% CI, 1.23-1.62] per 100 person-hours). END unrelated to EVT showed a tendency to modify the effectiveness of EVT (P-for-interaction, 0.08), which decreased the odds of having mRS 0-1 in mild LVO patients without END (adjusted OR, 0.63 [0.40-0.99]). The use of EVT in patients with acute LVO and low NIHSS scores may require the assessment of individual risks of early deterioration, hemorrhagic complications and expected benefit.
AbstractList Background and purposeThere is much uncertainty in endovascular treatment (EVT) decisions in patients with acute large vessel occlusion (LVO) and mild neurological deficits.MethodsFrom a prospective, nationwide stroke registry, all patients with LVO and baseline NIHSS <6 presenting within 24 h from the time last known well (LKW) were included. Early neurological deterioration (END) developed before EVT was prospectively collected as an increasing total NIHSS score ≥2 or any worsening of the NIHSS consciousness or motor subscores during hospitalization not related to EVT. Significant hemorrhage was defined as PH2 hemorrhagic transformation or hemorrhage at a remote site. The modified Rankin Scale (mRS) was prospectively collected at 3 months.ResultsAmong 1,083 patients, 149 (14%) patients received EVT after a median of 5.9 [3.6–12.3] h after LKW. In propensity score-matched analyses, EVT was not associated with mRS 0-1 (matched OR 0.99 [0.63–1.54]) but increased the risk of a significant hemorrhage (matched OR, 4.51 [1.59–12.80]). Extraneous END occurred in 207 (19%) patients after a median of 24.5 h [IQR, 13.5–41.9 h] after LKW (incidence rate, 1.41 [95% CI, 1.23–1.62] per 100 person-hours). END unrelated to EVT showed a tendency to modify the effectiveness of EVT (P-for-interaction, 0.08), which decreased the odds of having mRS 0–1 in mild LVO patients without END (adjusted OR, 0.63 [0.40–0.99]).ConclusionsThe use of EVT in patients with acute LVO and low NIHSS scores may require the assessment of individual risks of early deterioration, hemorrhagic complications and expected benefit.
There is much uncertainty in endovascular treatment (EVT) decisions in patients with acute large vessel occlusion (LVO) and mild neurological deficits. From a prospective, nationwide stroke registry, all patients with LVO and baseline NIHSS <6 presenting within 24 h from the time last known well (LKW) were included. Early neurological deterioration (END) developed before EVT was prospectively collected as an increasing total NIHSS score ≥2 or any worsening of the NIHSS consciousness or motor subscores during hospitalization not related to EVT. Significant hemorrhage was defined as PH2 hemorrhagic transformation or hemorrhage at a remote site. The modified Rankin Scale (mRS) was prospectively collected at 3 months. Among 1,083 patients, 149 (14%) patients received EVT after a median of 5.9 [3.6-12.3] h after LKW. In propensity score-matched analyses, EVT was not associated with mRS 0-1 (matched OR 0.99 [0.63-1.54]) but increased the risk of a significant hemorrhage (matched OR, 4.51 [1.59-12.80]). Extraneous END occurred in 207 (19%) patients after a median of 24.5 h [IQR, 13.5-41.9 h] after LKW (incidence rate, 1.41 [95% CI, 1.23-1.62] per 100 person-hours). END unrelated to EVT showed a tendency to modify the effectiveness of EVT (P-for-interaction, 0.08), which decreased the odds of having mRS 0-1 in mild LVO patients without END (adjusted OR, 0.63 [0.40-0.99]). The use of EVT in patients with acute LVO and low NIHSS scores may require the assessment of individual risks of early deterioration, hemorrhagic complications and expected benefit.
There is much uncertainty in endovascular treatment (EVT) decisions in patients with acute large vessel occlusion (LVO) and mild neurological deficits.Background and purposeThere is much uncertainty in endovascular treatment (EVT) decisions in patients with acute large vessel occlusion (LVO) and mild neurological deficits.From a prospective, nationwide stroke registry, all patients with LVO and baseline NIHSS <6 presenting within 24 h from the time last known well (LKW) were included. Early neurological deterioration (END) developed before EVT was prospectively collected as an increasing total NIHSS score ≥2 or any worsening of the NIHSS consciousness or motor subscores during hospitalization not related to EVT. Significant hemorrhage was defined as PH2 hemorrhagic transformation or hemorrhage at a remote site. The modified Rankin Scale (mRS) was prospectively collected at 3 months.MethodsFrom a prospective, nationwide stroke registry, all patients with LVO and baseline NIHSS <6 presenting within 24 h from the time last known well (LKW) were included. Early neurological deterioration (END) developed before EVT was prospectively collected as an increasing total NIHSS score ≥2 or any worsening of the NIHSS consciousness or motor subscores during hospitalization not related to EVT. Significant hemorrhage was defined as PH2 hemorrhagic transformation or hemorrhage at a remote site. The modified Rankin Scale (mRS) was prospectively collected at 3 months.Among 1,083 patients, 149 (14%) patients received EVT after a median of 5.9 [3.6-12.3] h after LKW. In propensity score-matched analyses, EVT was not associated with mRS 0-1 (matched OR 0.99 [0.63-1.54]) but increased the risk of a significant hemorrhage (matched OR, 4.51 [1.59-12.80]). Extraneous END occurred in 207 (19%) patients after a median of 24.5 h [IQR, 13.5-41.9 h] after LKW (incidence rate, 1.41 [95% CI, 1.23-1.62] per 100 person-hours). END unrelated to EVT showed a tendency to modify the effectiveness of EVT (P-for-interaction, 0.08), which decreased the odds of having mRS 0-1 in mild LVO patients without END (adjusted OR, 0.63 [0.40-0.99]).ResultsAmong 1,083 patients, 149 (14%) patients received EVT after a median of 5.9 [3.6-12.3] h after LKW. In propensity score-matched analyses, EVT was not associated with mRS 0-1 (matched OR 0.99 [0.63-1.54]) but increased the risk of a significant hemorrhage (matched OR, 4.51 [1.59-12.80]). Extraneous END occurred in 207 (19%) patients after a median of 24.5 h [IQR, 13.5-41.9 h] after LKW (incidence rate, 1.41 [95% CI, 1.23-1.62] per 100 person-hours). END unrelated to EVT showed a tendency to modify the effectiveness of EVT (P-for-interaction, 0.08), which decreased the odds of having mRS 0-1 in mild LVO patients without END (adjusted OR, 0.63 [0.40-0.99]).The use of EVT in patients with acute LVO and low NIHSS scores may require the assessment of individual risks of early deterioration, hemorrhagic complications and expected benefit.ConclusionsThe use of EVT in patients with acute LVO and low NIHSS scores may require the assessment of individual risks of early deterioration, hemorrhagic complications and expected benefit.
Author Lee, Jun
Hong, Keun-Sik
Yu, Kyung-Ho
Lee, Byung-Chul
Bae, Hee-Joon
Kim, Chulho
Park, Sang-Soon
Park, Jong-Moo
Menon, Bijoy K.
Lee, Soo Joo
Yum, Kyu Sun
Choi, Kang-Ho
Kim, Beom Joon
Almekhlafi, Mohammed A.
Kim, Jae Guk
Kang, Kyusik
Cho, Yong-Jin
Kwon, Jee-Hyun
Hong, Jeong-Ho
Lee, Sang-Hwa
Demchuk, Andrew
Park, Hong-Kyun
Kim, Bum Joon
Kim, Joon-Tae
Shin, Dong-Ick
Kim, Wook-Joo
Kim, Chi Kyung
Jeong, Jin-Heon
Han, Moon-Ku
Lee, Juneyoung
Han, Jung Hoon
Lee, Keon-Joo
Choi, Jay Chol
Kang, Jihoon
Kim, Jun Yup
Kim, Dong-Eog
Park, Hyungjong
Sohn, Sung-Il
Kim, Joong-Goo
Yoo, Joonsang
Park, Tai Hwan
Oh, Mi-Sun
Cha, Jae-Kwan
Kim, Dae-Hyun
Lee, Kyung Bok
Baik, Sung Hyun
Ryu, Wi-Sun
AuthorAffiliation 9 Department of Radiology, Seoul National University Bundang Hospital , Seongnam-si , South Korea
22 Department of Neurology, Hallym University Chuncheon Sacred Heart Hospital , Chuncheon-si , South Korea
6 Department of Neurology, Eulji University Hospital , Daejeon , South Korea
12 Department of Neurology, Dong-A University Hospital , Busan , South Korea
15 Department of Neurology, Yeungnam University Medical Center , Daegu , South Korea
21 Department of Neurology, Chungbuk National University Hospital , Cheongju-si , South Korea
7 Department of Neurology, Chonnam National University Hospital , Gwangju , South Korea
13 Department of Neurology, Seoul Medical Center , Seoul , South Korea
5 Department of Neurology, Asan Medical Center , Seoul , South Korea
16 Department of Neurology, Inje University Ilsan Paik Hospital , Goyang-si , South Korea
8 Department of Neurology, Keimyung University Dongsan Medical Center , Daegu , South Korea
4 Department of Neurology, Korea University Guro Hospital , Seo
AuthorAffiliation_xml – name: 16 Department of Neurology, Inje University Ilsan Paik Hospital , Goyang-si , South Korea
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ContentType Journal Article
Copyright Copyright © 2022 Kim, Menon, Yoo, Han, Kim, Kim, Kim, Kim, Park, Baik, Han, Kang, Kim, Lee, Park, Kang, Lee, Cha, Kim, Jeong, Park, Park, Lee, Lee, Hong, Cho, Park, Lee, Yu, Oh, Kim, Ryu, Choi, Choi, Kim, Kwon, Kim, Shin, Yum, Sohn, Hong, Kim, Lee, Lee, Almekhlafi, Demchuk and Bae.
Copyright © 2022 Kim, Menon, Yoo, Han, Kim, Kim, Kim, Kim, Park, Baik, Han, Kang, Kim, Lee, Park, Kang, Lee, Cha, Kim, Jeong, Park, Park, Lee, Lee, Hong, Cho, Park, Lee, Yu, Oh, Kim, Ryu, Choi, Choi, Kim, Kwon, Kim, Shin, Yum, Sohn, Hong, Kim, Lee, Lee, Almekhlafi, Demchuk and Bae. 2022 Kim, Menon, Yoo, Han, Kim, Kim, Kim, Kim, Park, Baik, Han, Kang, Kim, Lee, Park, Kang, Lee, Cha, Kim, Jeong, Park, Park, Lee, Lee, Hong, Cho, Park, Lee, Yu, Oh, Kim, Ryu, Choi, Choi, Kim, Kwon, Kim, Shin, Yum, Sohn, Hong, Kim, Lee, Lee, Almekhlafi, Demchuk and Bae
Copyright_xml – notice: Copyright © 2022 Kim, Menon, Yoo, Han, Kim, Kim, Kim, Kim, Park, Baik, Han, Kang, Kim, Lee, Park, Kang, Lee, Cha, Kim, Jeong, Park, Park, Lee, Lee, Hong, Cho, Park, Lee, Yu, Oh, Kim, Ryu, Choi, Choi, Kim, Kwon, Kim, Shin, Yum, Sohn, Hong, Kim, Lee, Lee, Almekhlafi, Demchuk and Bae.
– notice: Copyright © 2022 Kim, Menon, Yoo, Han, Kim, Kim, Kim, Kim, Park, Baik, Han, Kang, Kim, Lee, Park, Kang, Lee, Cha, Kim, Jeong, Park, Park, Lee, Lee, Hong, Cho, Park, Lee, Yu, Oh, Kim, Ryu, Choi, Choi, Kim, Kwon, Kim, Shin, Yum, Sohn, Hong, Kim, Lee, Lee, Almekhlafi, Demchuk and Bae. 2022 Kim, Menon, Yoo, Han, Kim, Kim, Kim, Kim, Park, Baik, Han, Kang, Kim, Lee, Park, Kang, Lee, Cha, Kim, Jeong, Park, Park, Lee, Lee, Hong, Cho, Park, Lee, Yu, Oh, Kim, Ryu, Choi, Choi, Kim, Kwon, Kim, Shin, Yum, Sohn, Hong, Kim, Lee, Lee, Almekhlafi, Demchuk and Bae
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Keywords low NIHSS score
multicenter registry
endovascular recanalization
CRCS-K
mild stroke
early neurological deterioration
Language English
License Copyright © 2022 Kim, Menon, Yoo, Han, Kim, Kim, Kim, Kim, Park, Baik, Han, Kang, Kim, Lee, Park, Kang, Lee, Cha, Kim, Jeong, Park, Park, Lee, Lee, Hong, Cho, Park, Lee, Yu, Oh, Kim, Ryu, Choi, Choi, Kim, Kwon, Kim, Shin, Yum, Sohn, Hong, Kim, Lee, Lee, Almekhlafi, Demchuk and Bae.
This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
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Reviewed by: Apostolos Safouris, Metropolitan Hospital, Greece; Myzoon Ali, University of Glasgow, United Kingdom
This article was submitted to Stroke, a section of the journal Frontiers in Neurology
A list of collaborators is provided in the Supplementary Data II
Edited by: Kristian Barlinn, University Hospital Carl Gustav Carus, Germany
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Snippet There is much uncertainty in endovascular treatment (EVT) decisions in patients with acute large vessel occlusion (LVO) and mild neurological deficits. From a...
There is much uncertainty in endovascular treatment (EVT) decisions in patients with acute large vessel occlusion (LVO) and mild neurological...
Background and purposeThere is much uncertainty in endovascular treatment (EVT) decisions in patients with acute large vessel occlusion (LVO) and mild...
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SubjectTerms CRCS-K
early neurological deterioration
endovascular recanalization
low NIHSS score
mild stroke
multicenter registry
Neurology
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Title Effectiveness and safety of EVT in patients with acute LVO and low NIHSS
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