The Association Between Venous Sinus Opacification Time and Futile Recanalization in Patients with Large Vessel Occlusion Acute Ischemic Stroke. - Tang, Huan; Wang, Fang; Zhang, Yanxing; Wang, Jianli; Bao, Wuqiao; Lou, Yiping; Zheng, Min; Fang, Xuan; Li, Zihao; Guo, Jing; Cheng, Hui; Chen, Zhicai (Neurology & Therapy, 2026)