Raul G Nogueira, Ashutosh P Jadhav, Diogo C Haussen, Alain Bonafe, Ronald F Budzik, Parita Bhuva, Dileep R Yavagal, Marc Ribo, Christophe Cognard, Ricardo A Hanel, Cathy A Sila, Ameer E Hassan, Monica Millan, Elad I Levy, Peter Mitchell, Michael Chen, Joey D English, Qaisar A Shah, Frank L Silver, Vitor M Pereira, Brijesh P Mehta, Blaise W Baxter, Michael G Abraham, Pedro Cardona, Erol Veznedaroglu, Frank R Hellinger, Lei Feng, Jawad F Kirmani, Demetrius K Lopes, Brian T Jankowitz, Michael R Frankel, Vincent Costalat, Nirav A Vora, Albert J Yoo, Amer M Malik, Anthony J Furlan, Marta Rubiera, Amin Aghaebrahim, Jean-Marc Olivot, Wondwossen G Tekle, Ryan Shields, Todd Graves, Roger J Lewis, Wade S Smith, David S Liebeskind, Jeffrey L Saver, Tudor G Jovin
BACKGROUND: The effect of endovascular thrombectomy that is performed more than 6 hours after the onset of ischemic stroke is uncertain. Patients with a clinical deficit that is disproportionately severe relative to the infarct volume may benefit from late thrombectomy. METHODS: We enrolled patients with occlusion of the intracranial internal carotid artery or proximal middle cerebral artery who had last been known to be well 6 to 24 hours earlier and who had a mismatch between the severity of the clinical deficit and the infarct volume, with mismatch criteria defined according to age (<80 years or ≥80 years)...
January 4, 2018: New England Journal of Medicine