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Acute Stroke With Large Ischemic Core Treated by Thrombectomy

Stroke2019Vol. 50(5), pp. 1164–1171

Citations Over TimeTop 10% of 2019 papers

Pietro Panni, Benjamin Gory, Yu Xie, Arturo Consoli, Jean‐Philippe Desilles, Mikaël Mazighi, Julien Labreuche, Michel Piotin, Francis Turjman, Omer Eker, Serge Bracard, René Anxionnat, Sébastien Richard, Gabriela Hossu, Raphaël Blanc, Bertrand Lapergue, on behalf of the ETIS (Endovascular Treatment in Ischemic Stroke) Investigators, Hocine Redjem, Simon Escalard, Hocine Redjem, Gabriele Cicciò, Stanislas Smajda, Robert Fahed, Michaël Obadia, Candice Sabben, Ovide Corabianu, T. de Broucker, Didier Smadja, Sonia Alamowitch, Olivier Ille, Éric Manchon, Pierre‐Yves Garcia, Guillaume Taylor, Malek Ben Maacha, Frédéric Bourdain, Jean-Pierre Decroix, Adrien Wang, Serge Évrard, Maya Tchikviladze, Oguzhan Coskun, Federico Di Maria, Georges Rodesh, Morgan Leguen, Marie Tisserand, Fernando Pico, Haja Rakotoharinandrasana, Philippe Tassan, Roxanna Poll, Norbert Nighoghossian, Paul Emile Labeyrie, Roberto Riva, Laurent Derex, Tae‐Hee Cho, Laura Mechtouff, Anne Claire Lukaszewicz, Frédéric Philippeau, Serkan Cakmak, Karine Blanc‐Lasserre, Anne‐Evelyne Vallet

Abstract

Background and Purpose- Acute stroke patients with a large ischemic core may still benefit from mechanical thrombectomy (MT), but the predictors of clinical outcome are not well known after MT. We investigated the clinical and imaging factors associated with good outcome and mortality at 90 days in acute stroke patients with a large baseline ischemic core treated with MT. Methods- Data from the multicentric prospective ETIS (Endovascular Treatment in Ischemic Stroke) registry of consecutive acute ischemic stroke patients treated with MT from January 1, 2012, to August 31, 2016, were retrospectively analyzed. Baseline large ischemic core was defined as diffusion-weighted imaging (DWI)-Alberta Stroke Program Early CT Score of ≤5. The degree of disability was assessed by the modified Rankin Scale at 90 days. Outcomes included good outcome (modified Rankin Scale score of ≤2), and mortality (modified Rankin Scale score of 6). Results- Among 216 patients with DWI-Alberta Stroke Program Early CT Score of ≤5 (median DWI volume 77 mL, interquartile range 52-120 mL) treated with MT, good outcome was achieved in 55 (25.4%) patients and 75 (34.7%) died at 90 days. Hemorrhagic transformation was detected in 40 (18.5%) patients within 24 hours post-MT. Older age (adjusted odds ratio [OR] for every 10 years, 0.62; 95% CI, 0.48-0.80; P<0.001) and increased DWI lesional volume (adjusted OR, 0.98; 95% CI, 0.97-0.99; P<0.001) were associated with a lower chance of achieving a good outcome, while successful recanalization (modified Thrombolysis in Cerebral Infarction [mTICI] grades of ≤2b) predicted good outcome (adjusted OR, 4.56; 95% CI, 1.79-11.62; P=0.001). Successful recanalization (OR, 0.46; 95% CI, 0.22-0.97; P=0.042), increased DWI lesional volume (OR, 1.02; 95% CI, 1.01-1.03; P<0.001), age (OR for every 10 years, 1.72; 95% CI, 1.31-2.26; P<0.001), and diabetes mellitus (OR, 3.23; 95% CI, 1.34-7.8; P=0.009) were independent predictors of 90-day mortality. Conclusions- Successful recanalization and baseline DWI lesional volume are the strongest predictors of outcome in stroke patients with a large ischemic core.

Citations Over TimeTop 10% of 2019 papers

Abstract

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