1Review of the clinical application progress of cerebrovascular ultrasoundHua Yang, Zhong JingxinEditorial721-7252Multicenter project organization and quality control of cerebral and carotid ultrasound technologies improved the quality of vascular ultrasoundJia Lingyun, Hua Yang, Liu BeibeiSpecialist Forum726-7293Study on ultrasound assessment of hemodynamics in patients with unilateral middle cerebral artery occlusion after superficial temporal artery-middle cerebral artery bypass surgeryYan Yanhong, Hui Pinjing, Lu Ziwei, Zhang Bai, Ding Yafang, Huang Yabo, Zhou Peng, Hu ChunhongOriginal Articles730-7434A multicenter study of ultrasound assessment of the diameter differences due to vertebral artery dominance and its association with vertebral artery origin stenosisLiu Yiming, Zhang Feng, Hua Yang, Carotid Artery Ultrasound Project Group(CAUPC)Original Articles744-7515Analysis of a questionnaire survey on several issues related to the Chinese expert consensus on cerebrovascular ultrasound detectionZhong Jingxin, Ou Aihua, Hua YangOriginal Articles752-7586Efficacy analysis of endovascular treatment through transradial approach and transfemoral approach in patients with acute ischemic stroke with large vessel occlusion in the posterior circulationLiang Yu, Yi Xin, Wang Hao, Sai Junjie, Che FengyuanOriginal Articles759-7667Influencing factor of acute multivessel occlusion and its impact on prognosis of acute large vessel occlusion stroke patients after successful recanalization of endovascular treatmentGao Yuepei, Wang Chenglei, Guo Yapeng, Xu Junfeng, Ding Xianhui, Xu Xiangjun, Yang Ke, Yang Qian, Huang Xianjun, Zhou ZhimingOriginal Articles767-7778Clinical diagnosis and treatment of acute bilateral medial medullary infarction:a case report and literature reviewLuo Lanzhu, Chen Gan, Yang Shuiquan, Li Guilan, Kuang Qiuping, Yan ZileCase Report778-7819Expert consensus of China on several issues of cerebrovascular ultrasound detectionProfessional Committee of Vascular Ultrasound of Stroke Prevention and Treatment Project Expert Committee of National Health Commission, Vascular Group of Capacity Building and Continuing Education Ultrasound Medical Expert Committee of National Health Commission, Expert Committee of Cerebral and Peripheral Vascular Ultrasound of Chinese Ultrasound Medical Training Program, Hua YangGuideline and Consensus782-792,封3