Methods A non-invasive high-resolution ultrasound was used to detect the flow-mediated dilatation (FMD) and the change of blood flow volume of reactive hyperaemia in SDH and the control.

• 方法采用高分辨力超声无创性检测血管内皮依赖性舒张功能的方法比较收缩期和舒张期高血压(SDH)与正常血压组血流介导性舒张(FMD)与反应性充血的血管内皮依赖性舒张功能。