257 Received April 14, 2014; revised and accepted June 30, 2014. Published online August 7, 2014; doi: 10.1620/tjem.233.257. Correspondence: Yifeng Du, Department of Neurology, Shandong Provincial Hospital affiliated to Shandong University, 324 Jingwu Weiqi Road, Jinan, Shandong 250021, P.R. China. e-mail: [email protected] Carotid Artery Stenting Ameliorates the Cognitive Impairment in Patien...