卒中后再次卒中的发生率很高。在美国,每年78万卒中患者中大约有1/4是卒中再发,因此对于卒中或TIA病人管理的首要目标是预防再次脑血管事件的发生[1]。再次卒中的患者预 The incidence of recurrent stroke after stroke is high. In the United States, about one-quarter of every year out of a total of 780,000 stroke patients have a recurrent stroke so the primary goal of stroke or TIA management is to prevent recurrent cerebrovascular events [1]. Patient again stroke