374例60岁以上老年人脑血流图检查结果表明:反映血管弹性的几项指标均与正常青壮年人不同。陡直型渡少(9%),重搏波变为隐约可见直至消失,明显者仅占3.2%;有26.2%的老年人流入时间延长。 Cerebral blood flow tests of 374 elderly people over the age of 60 showed that several indicators reflecting the elasticity of blood vessels were different from those of normal young adults. Steep straight transition (9%), PWB became visible until it disappeared, obviously only accounted for 3.2%; 26.2% of the elderly inflow of time extended.