Perfusion imaging and clinical outcome in acute minor stroke with large vessel occlusion

Background: - - Whether bridging therapy (intravenous thrombolysis [IVT] followed by mechanical thrombectomy) is superior to IVT alone in minor stroke with large vessel occlusion is unknown. Perfusion imaging may identify subsets of large vessel occlusion-related minor stroke patients with distinct...

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Bibliographische Detailangaben
Hauptverfasser: Seners, Pierre (VerfasserIn) , Nagel, Simon (VerfasserIn) , Potreck, Arne (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: [November 2022]
In: Stroke
Year: 2022, Jahrgang: 53, Heft: 11, Pages: 3429-3438
ISSN:1524-4628
DOI:10.1161/STROKEAHA.122.039182
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1161/STROKEAHA.122.039182
Verlag, lizenzpflichtig, Volltext: https://www.ahajournals.org/doi/10.1161/STROKEAHA.122.039182
Volltext
Verfasserangaben:Pierre Seners, Caroline Arquizan, Louis Fontaine, Wagih Ben Hassen, Mirjam R. Heldner, Davide Strambo, Simon Nagel, Emmanuel Carrera, Laura Mechtouff, Margy McCullough-Hicks, Mahmoud H. Mohammaden, Jean-Philippe Cottier, Hilde Henon, Andreea Aignatoaie, Nadia Laksiri, Jérémie Papassin, Ludovic Lucas, Pierre Garnier, Aude Triquenot, Gioia Mione, Steven Hajdu, Vincent Costalat, Arne Potreck, Olivier Detante, Fabrice Bonneville, Yves Berthezene, Serge Bracard, Igor Sibon, Nicolas Bricout, Claire Boutet, Pasquale Mordasini, Patrik Michel, Catherine Oppenheim, Jean-Marc Olivot, Raul G. Nogueira, Gregory W. Albers, Jean-Claude Baron, Guillaume Turc, Christophe Cognard, Gaultier Marnat, Patrice Menegon, Sylvain Ledure, Cyril Dargazanli, Tae-Hee Cho, Norbert Nighoghossian, Omer Eker, Sylvain Gouttard, Diogo Haussen, Séverine Debiais, Vladimir Charron, Nicolas Charron, Didier Leys, Canan Ozsancak, Mathilde Delpech, Hervé Brunel, Chrysanti Papagiannaki, Emmanuel Girardin, Sébastien Richard, Benjamin Gory, Martin Zbinden, Tomas Dobrocky, Peter Ringelb, Markus Möhlenbruch

MARC

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245 1 0 |a Perfusion imaging and clinical outcome in acute minor stroke with large vessel occlusion  |c Pierre Seners, Caroline Arquizan, Louis Fontaine, Wagih Ben Hassen, Mirjam R. Heldner, Davide Strambo, Simon Nagel, Emmanuel Carrera, Laura Mechtouff, Margy McCullough-Hicks, Mahmoud H. Mohammaden, Jean-Philippe Cottier, Hilde Henon, Andreea Aignatoaie, Nadia Laksiri, Jérémie Papassin, Ludovic Lucas, Pierre Garnier, Aude Triquenot, Gioia Mione, Steven Hajdu, Vincent Costalat, Arne Potreck, Olivier Detante, Fabrice Bonneville, Yves Berthezene, Serge Bracard, Igor Sibon, Nicolas Bricout, Claire Boutet, Pasquale Mordasini, Patrik Michel, Catherine Oppenheim, Jean-Marc Olivot, Raul G. Nogueira, Gregory W. Albers, Jean-Claude Baron, Guillaume Turc, Christophe Cognard, Gaultier Marnat, Patrice Menegon, Sylvain Ledure, Cyril Dargazanli, Tae-Hee Cho, Norbert Nighoghossian, Omer Eker, Sylvain Gouttard, Diogo Haussen, Séverine Debiais, Vladimir Charron, Nicolas Charron, Didier Leys, Canan Ozsancak, Mathilde Delpech, Hervé Brunel, Chrysanti Papagiannaki, Emmanuel Girardin, Sébastien Richard, Benjamin Gory, Martin Zbinden, Tomas Dobrocky, Peter Ringelb, Markus Möhlenbruch 
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520 |a Background: - - Whether bridging therapy (intravenous thrombolysis [IVT] followed by mechanical thrombectomy) is superior to IVT alone in minor stroke with large vessel occlusion is unknown. Perfusion imaging may identify subsets of large vessel occlusion-related minor stroke patients with distinct response to bridging therapy. - - Methods: - - We conducted a multicenter international observational study of consecutive IVT-treated patients with minor stroke (National Institutes of Health Stroke Scale score ≤5) who had an anterior circulation large vessel occlusion and perfusion imaging performed before IVT, with a subset undergoing immediate thrombectomy. Propensity score with inverse probability of treatment weighting was used to account for baseline between-groups differences. The primary outcome was 3-month modified Rankin Scale score 0 to 1. We searched for an interaction between treatment group and mismatch volume (critical hypoperfusion-core volume). - - Results: - - Overall, 569 patients were included (172 and 397 in the bridging therapy and IVT groups, respectively). After propensity-score weighting, the distribution of baseline variables was similar across the 2 groups. In the entire population, bridging was associated with lower odds of achieving modified Rankin Scale score 0 to 1: odds ratio, 0.73 [95% CI, 0.55-0.96]; P=0.03. However, mismatch volume modified the effect of bridging on clinical outcome (Pinteraction=0.04 for continuous mismatch volume); bridging was associated with worse outcome in patients with, but not in those without, mismatch volume <40 mL (odds ratio, [95% CI] for modified Rankin Scale score 0-1: 0.48 [0.33-0.71] versus 1.14 [0.76-1.71], respectively). Bridging was associated with higher incidence of symptomatic intracranial hemorrhage in the entire population, but this effect was present in the small mismatch subset only (Pinteraction=0.002). - - Conclusions: - - In our population of large vessel occlusion-related minor stroke patients, bridging therapy was associated with lower rates of good outcome as compared with IVT alone. However, mismatch volume was a strong modifier of the effect of bridging therapy over IVT alone, notably with worse outcome with bridging therapy in patients with mismatch volume ≤40 mL. Randomized trials should consider adding perfusion imaging for patient selection. 
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