Perfusion Imaging Mismatch Profiles in the Early Thrombectomy Window : A Single-Center Analysis
BACKGROUND: Little is known on the role of mismatch profile in patients undergoing early endovascular treatment (EVT). We aimed to describe pretreatment perfusion parameters and mismatch profiles in anterior circulation large vessel occlusion acute ischemic stroke undergoing EVT in the early time window and assess their association with time from stroke onset and outcomes.
METHODS: Retrospective single-center study, including early (<6 hours) EVT-treated large vessel occlusion acute ischemic stroke with baseline perfusion data, assessing perfusion parameters (ischemic core volume, mismatch volume and mismatch ratio) and mismatch profiles (favorable versus unfavorable, based on criteria adopted in EXTEND-IA [Extending the Time for Thrombolysis in Emergency Neurological Deficits - Intra-Arterial], SWIFT PRIME [Solitaire With the Intention for Thrombectomy as Primary Endovascular Treatment], DEFUSE 3 [Endovascular Therapy Following Imaging Evaluation for Ischemic Stroke 3], and DAWN [Clinical Mismatch in the Triage of Wake Up and Late Presenting Strokes Undergoing Neurointervention With Trevo] trials). We evaluated their association with time from stroke onset (rs [for parameters] or χ2 for trend [for profiles]) and association with modified Rankin Scale score >2, symptomatic intracranial hemorrhage, and mortality (multivariate regression analyses [each parameter/profile entered into a separate logistic regression model, adjusted for baseline variables associated with each outcome in the univariate analysis at the P<0.1 level]).
RESULTS: Among 357 patients, unfavorable mismatch profiles ranged from 21% to 60%, depending on the criterion, and were not correlated with time from stroke onset (P=0.490). All individual perfusion parameters and unfavorable mismatch profiles were associated with poor functional outcome: ischemic core volume adjusted odds ratio (aOR), 1.49 ([95% CI, 1.13-1.97] P=0.005); penumbral volume aOR, 0.30 ([95% CI, 0.10-0.84] P=0.022); mismatch ratio aOR, 0.67 ([95% CI, 0.50-0.90] P=0.007); EXTEND-IA aOR, 2.61 ([95% CI, 1.23-5.51] P=0.012); SWIFT PRIME aOR, 2.50 ([95% CI, 1.30-4.57] P=0.006); DEFUSE 3 aOR, 2.28 ([95% CI, 1.14-4.57] P=0.020); and DAWN aOR, 4.19 ([95% CI, 2.13-8.26] P<0.001). EXTEND-IA and DEFUSE 3 unfavorable profiles were also independently associated with symptomatic intracranial hemorrhage (aOR, 3.82 [95% CI, 1.42-10.3]; P=0.008 and aOR, 2.83 [95% CI, 1.09-7.36]; P=0.033) and death (aOR, 3.26 [95% CI, 1.33-8.02]; P=0.010 and aOR, 2.52 [95% CI, 1.10-5.82]; P=0.030).
CONCLUSIONS: Pretreatment perfusion parameters and mismatch profiles in early EVT-treated patients were not correlated with time from stroke onset but were independently associated with functional outcome. Mismatch assessment in the early time window may improve EVT patient selection, independently of onset-to-treatment time.
Medienart: |
E-Artikel |
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Erscheinungsjahr: |
2023 |
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Erschienen: |
2023 |
Enthalten in: |
Zur Gesamtaufnahme - volume:54 |
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Enthalten in: |
Stroke - 54(2023), 5 vom: 01. Mai, Seite 1182-1191 |
Sprache: |
Englisch |
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Beteiligte Personen: |
Schwarz, Ghil [VerfasserIn] |
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Links: |
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Themen: |
Cohort studies |
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Anmerkungen: |
Date Completed 26.04.2023 Date Revised 04.05.2023 published: Print-Electronic Citation Status MEDLINE |
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doi: |
10.1161/STROKEAHA.122.041981 |
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funding: |
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Förderinstitution / Projekttitel: |
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PPN (Katalog-ID): |
NLM355311216 |
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520 | |a BACKGROUND: Little is known on the role of mismatch profile in patients undergoing early endovascular treatment (EVT). We aimed to describe pretreatment perfusion parameters and mismatch profiles in anterior circulation large vessel occlusion acute ischemic stroke undergoing EVT in the early time window and assess their association with time from stroke onset and outcomes | ||
520 | |a METHODS: Retrospective single-center study, including early (<6 hours) EVT-treated large vessel occlusion acute ischemic stroke with baseline perfusion data, assessing perfusion parameters (ischemic core volume, mismatch volume and mismatch ratio) and mismatch profiles (favorable versus unfavorable, based on criteria adopted in EXTEND-IA [Extending the Time for Thrombolysis in Emergency Neurological Deficits - Intra-Arterial], SWIFT PRIME [Solitaire With the Intention for Thrombectomy as Primary Endovascular Treatment], DEFUSE 3 [Endovascular Therapy Following Imaging Evaluation for Ischemic Stroke 3], and DAWN [Clinical Mismatch in the Triage of Wake Up and Late Presenting Strokes Undergoing Neurointervention With Trevo] trials). We evaluated their association with time from stroke onset (rs [for parameters] or χ2 for trend [for profiles]) and association with modified Rankin Scale score >2, symptomatic intracranial hemorrhage, and mortality (multivariate regression analyses [each parameter/profile entered into a separate logistic regression model, adjusted for baseline variables associated with each outcome in the univariate analysis at the P<0.1 level]) | ||
520 | |a RESULTS: Among 357 patients, unfavorable mismatch profiles ranged from 21% to 60%, depending on the criterion, and were not correlated with time from stroke onset (P=0.490). All individual perfusion parameters and unfavorable mismatch profiles were associated with poor functional outcome: ischemic core volume adjusted odds ratio (aOR), 1.49 ([95% CI, 1.13-1.97] P=0.005); penumbral volume aOR, 0.30 ([95% CI, 0.10-0.84] P=0.022); mismatch ratio aOR, 0.67 ([95% CI, 0.50-0.90] P=0.007); EXTEND-IA aOR, 2.61 ([95% CI, 1.23-5.51] P=0.012); SWIFT PRIME aOR, 2.50 ([95% CI, 1.30-4.57] P=0.006); DEFUSE 3 aOR, 2.28 ([95% CI, 1.14-4.57] P=0.020); and DAWN aOR, 4.19 ([95% CI, 2.13-8.26] P<0.001). EXTEND-IA and DEFUSE 3 unfavorable profiles were also independently associated with symptomatic intracranial hemorrhage (aOR, 3.82 [95% CI, 1.42-10.3]; P=0.008 and aOR, 2.83 [95% CI, 1.09-7.36]; P=0.033) and death (aOR, 3.26 [95% CI, 1.33-8.02]; P=0.010 and aOR, 2.52 [95% CI, 1.10-5.82]; P=0.030) | ||
520 | |a CONCLUSIONS: Pretreatment perfusion parameters and mismatch profiles in early EVT-treated patients were not correlated with time from stroke onset but were independently associated with functional outcome. Mismatch assessment in the early time window may improve EVT patient selection, independently of onset-to-treatment time | ||
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700 | 1 | |a Agostoni, Elio C |e verfasserin |4 aut | |
700 | 1 | |a Saliou, Guillaume |e verfasserin |4 aut | |
700 | 1 | |a Hajdu, Steven David |e verfasserin |4 aut | |
700 | 1 | |a Salerno, Alexander |e verfasserin |4 aut | |
700 | 1 | |a Dunet, Vincent |e verfasserin |4 aut | |
700 | 1 | |a Michel, Patrik |e verfasserin |4 aut | |
700 | 1 | |a Strambo, Davide |e verfasserin |4 aut | |
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