The change of artery distensibility was early and sensitive index to reflect artery buffering function and endothelial function which would have important value in clinic.

• 二维超声检测动脉扩张性的改变能敏感反映高血压患者动脉缓冲功能和内皮功能的损害,为临床提供了一个重要的无创指标,具有广阔的应用价值。