- There were 2 factors: Glasgow score < 8 and poor collateral flow on computed tomography angiography were independent predictors of mortality at 3 months 24 RECOMMENDATIONS By studying the clinical characteristic, computed tomography imaging of acute ischemic stroke due to large vessel of the anterior cerebral artery system occlusion have been had endovascular mechanical revascularization, we should: - Evaluate ASPECTS score and collateral flow score on computed tomography angiography to select best thrombectomy subjects.