什么是脑分水岭梗死?

脑分水岭梗死发病因素血液动力学改变:低血压,低循环血容量。脑分水岭梗死(CWI又称边缘带梗死(Borderzoneinfarcts,是指相邻两条动脉供血区边缘带局限性缺血造成的梗死,其发病率占脑血管病的2%~3%,占缺血性脑血管病的5