临界高血压者在人群中相当多见。研究其临床重要性及早期防治的意义对高血压进展规律的了解和缺血性心脏病和脑卒中的预防都有重要价值。一、临界高血压的标准临界高血压通常指原发性高血压水平而言,对其病因及合并症一般不予考虑。经世界卫生组织专家会议确定,收缩压< Critical hypertensive people are quite common in the crowd. To study the clinical importance and the significance of early prevention and treatment of hypertension to understand the law of progression and prevention of ischemic heart disease and stroke have important value. First, the critical hypertensive criteria Critical hypertensive usually refers to the level of essential hypertension, the etiology and complications generally not be considered. The WHO expert meeting to determine the systolic blood pressure <