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Endovascular thrombectomy after large-vessel ischaemic stroke: a meta-analysis of individual patient data from five randomised trials. <i>Lancet<\/i> 2016; 387: 1723\u20131731.","DOI":"10.1016\/S0140-6736(16)00163-X"},{"key":"2","doi-asserted-by":"crossref","unstructured":"2) Berkhemer OA, Fransen PSS, Beumer D, et al. A randomized trial of intraarterial treatment for acute ischemic stroke. <i>N Engl J Med<\/i> 2015; 372: 11\u201320.","DOI":"10.1056\/NEJMx140064"},{"key":"3","doi-asserted-by":"crossref","unstructured":"3) Zaidat OO, Yoo AJ, Khatri P, et al. Recommendations on angiographic revascularization grading standards for acute ischemic stroke: a consensus statement. <i>Stroke<\/i> 2013; 44: 2650\u20132663.","DOI":"10.1161\/STROKEAHA.113.001972"},{"key":"4","doi-asserted-by":"crossref","unstructured":"4) Nogueira RG, Jadhav AP, Haussen DC, et al. Thrombectomy 6 to 24 hours after stroke with a mismatch between deficit and infarct. <i>N Engl J Med<\/i> 2018; 378: 11\u201321.","DOI":"10.1056\/NEJMoa1706442"},{"key":"5","doi-asserted-by":"crossref","unstructured":"5) Hussein HM, Georgiadis AL, Vazquez G, et al. Occurrence and predictors of futile recanalization following endovascular treatment among patients with acute ischemic stroke: a multicenter study. <i>AJNR Am J Neuroradiol<\/i> 2010; 31: 454\u2013458.","DOI":"10.3174\/ajnr.A2006"},{"key":"6","doi-asserted-by":"crossref","unstructured":"6) Deng G, Xiao J, Yu H, et al. Predictors of futile recanalization after endovascular treatment in acute ischemic stroke: a meta-analysis. <i>J Neurointerv Surg<\/i> 2022; 14: 881\u2013885.","DOI":"10.1136\/neurintsurg-2021-017963"},{"key":"7","doi-asserted-by":"crossref","unstructured":"7) Sano T, Kobayashi K, Tanemura H, et al. Predictors of futile recanalization after mechanical thrombectomy for embolism-related large vessel occlusion in the anterior circulation. <i>J Neuroendovasc Ther<\/i> 2025; 19: 2025-0068.","DOI":"10.5797\/jnet.oa.2025-0068"},{"key":"8","doi-asserted-by":"crossref","unstructured":"8) Sarraj A, Sangha N, Hussain MS, et al. Endovascular therapy for acute ischemic stroke with occlusion of the middle cerebral artery M2 segment. <i>JAMA Neurol<\/i> 2016; 73: 1291\u20131296.","DOI":"10.1001\/jamaneurol.2016.2773"},{"key":"9","doi-asserted-by":"crossref","unstructured":"9) Goyal M, Ospel JM, Ganesh A, et al. Endovascular treatment of stroke due to medium-vessel occlusion. <i>N Engl J Med<\/i> 2025; 392: 1385\u20131395.","DOI":"10.1056\/NEJMoa2411668"},{"key":"10","doi-asserted-by":"crossref","unstructured":"10) Ospel JM, Nguyen TN, Jadhav AP, et al. Endovascular treatment of medium vessel occlusion stroke. <i>Stroke<\/i> 2024; 55: 769\u2013778.","DOI":"10.1161\/STROKEAHA.123.036942"},{"key":"11","doi-asserted-by":"crossref","unstructured":"11) Adams HP Jr., Bendixen BH, Kappelle LJ, et al. Classification of subtype of acute ischemic stroke. Definitions for use in a multicenter clinical trial. TOAST. Trial of Org 10172 in Acute Stroke Treatment. <i>Stroke<\/i> 1993; 24: 35\u201341.","DOI":"10.1161\/01.STR.24.1.35"},{"key":"12","doi-asserted-by":"crossref","unstructured":"12) Miyamoto S, Ogasawara K, Kuroda S, et al. Japan Stroke Society Guideline 2021 for the Treatment of Stroke. <i>Int J Stroke<\/i> 2022; 17: 1039\u20131049.","DOI":"10.1177\/17474930221090347"},{"key":"13","doi-asserted-by":"crossref","unstructured":"13) Pan H, Lin C, Chen L, et al. Multiple-factor analyses of futile recanalization in acute ischemic stroke patients treated with mechanical thrombectomy. <i>Front Neurol<\/i> 2021; 12: 704088.","DOI":"10.3389\/fneur.2021.704088"},{"key":"14","doi-asserted-by":"crossref","unstructured":"14) Wang Y, Li T, Wu P, et al. Predicting futile recanalization before mechanical thrombectomy: the added value of CT imaging markers. <i>Neuroradiology<\/i> 2025; 67: 3265\u20133274.","DOI":"10.1007\/s00234-025-03752-5"},{"key":"15","doi-asserted-by":"crossref","unstructured":"15) Fiorelli M, Bastianello S, von Kummer R, et al. Hemorrhagic transformation within 36 hours of a cerebral infarct: relationships with early clinical deterioration and 3-month outcome in the European Cooperative Acute Stroke Study I (ECASS I) cohort. <i>Stroke<\/i> 1999; 30: 2280\u20132284.","DOI":"10.1161\/01.STR.30.11.2280"},{"key":"16","doi-asserted-by":"crossref","unstructured":"16) Kanda Y. Investigation of the freely available easy-to-use software \u2018EZR\u2019 for medical statistics. <i>Bone Marrow Transplant<\/i> 2013; 48: 452\u2013458.","DOI":"10.1038\/bmt.2012.244"},{"key":"17","doi-asserted-by":"crossref","unstructured":"17) Brott T, Adams HP Jr., Olinger CP, et al. Measurements of acute cerebral infarction: a clinical examination scale. <i>Stroke<\/i> 1989; 20: 864\u2013870.","DOI":"10.1161\/01.STR.20.7.864"},{"key":"18","doi-asserted-by":"crossref","unstructured":"18) Lyden P. Using the National Institutes of Health Stroke Scale: a cautionary tale. <i>Stroke<\/i> 2017; 48: 513\u2013519.","DOI":"10.1161\/STROKEAHA.116.015434"},{"key":"19","doi-asserted-by":"crossref","unstructured":"19) Finitsis S, Kemmling A, Havemeister S, et al. Stability of ischemic core volume during the initial hours of acute large vessel ischemic stroke in a subgroup of mechanically revascularized patients. <i>Neuroradiology<\/i> 2014; 56: 325\u2013332.","DOI":"10.1007\/s00234-014-1329-z"},{"key":"20","doi-asserted-by":"crossref","unstructured":"20) Lima FO, Furie KL, Silva GS, et al. The pattern of leptomeningeal collaterals on CT angiography is a strong predictor of long-term functional outcome in stroke patients with large vessel intracranial occlusion. <i>Stroke<\/i> 2010; 41: 2316\u20132322.","DOI":"10.1161\/STROKEAHA.110.592303"},{"key":"21","doi-asserted-by":"crossref","unstructured":"21) Menon BK, Hill MD, Davalos A, et al. Efficacy of endovascular thrombectomy in patients with M2 segment middle cerebral artery occlusions: meta-analysis of data from the HERMES Collaboration. <i>J Neurointerv Surg<\/i> 2019; 11: 1065\u20131069.","DOI":"10.1136\/neurintsurg-2018-014678"},{"key":"22","doi-asserted-by":"crossref","unstructured":"22) Bhambri A, Adapa AR, Liu Y, et al. Thrombus histology as it relates to mechanical thrombectomy: a meta-analysis and systematic review. <i>Neurosurgery<\/i> 2021; 89: 1122\u20131131.","DOI":"10.1093\/neuros\/nyab366"},{"key":"23","doi-asserted-by":"crossref","unstructured":"23) Yoo AJ, Andersson T. Thrombectomy in acute ischemic stroke: challenges to procedural success. <i>J Stroke<\/i> 2017; 19: 121\u2013130.","DOI":"10.5853\/jos.2017.00752"},{"key":"24","doi-asserted-by":"crossref","unstructured":"24) Snelling BM, Sur S, Shah SS, et al. Unfavorable vascular anatomy is associated with increased revascularization time and worse outcome in anterior circulation thrombectomy. <i>World Neurosurg<\/i> 2018; 120: e976\u2013e983.","DOI":"10.1016\/j.wneu.2018.08.207"},{"key":"25","doi-asserted-by":"crossref","unstructured":"25) Psychogios M, Brehm A, Ribo M, et al. Endovascular treatment for stroke due to occlusion of medium or distal vessels. <i>N Engl J Med<\/i> 2025; 392: 1374\u20131384.","DOI":"10.1056\/NEJMoa2408954"},{"key":"26","doi-asserted-by":"crossref","unstructured":"26) Barber PA, Hill MD, Eliasziw M, et al. 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