原发性高血压是心血管事件的独立危险因素,且患者人数呈逐年递增趋势。目前,我国高血压患者达2亿,而且新增患者人数呈逐年递增趋势[1]。长期以来,临床上诊断高血压多以诊室偶测血压作为判断血压水平的依据。由于血压的波动性、偶测血压的偶然性和门诊时间的局限性,出现一些诊室血压正常而在工作和家庭中血压升高,并常常伴有相关靶器官损害的高血压患者,2002年,Picketingt-lI等对这部分 Essential hypertension is an independent risk factor for cardiovascular events, and the number of patients showed an increasing trend year by year. At present, there are 200 million hypertensive patients in our country, and the number of new patients is increasing year by year [1]. For a long time, the clinical diagnosis of hypertension and office multi occasional blood pressure as the basis for judging the level of blood pressure. Because of the variability of blood pressure, the contingency of even measured blood pressure, and the limitations of outpatient time, there are a number of hypertensive patients with normal blood pressure in office and at work and in the home, often with associated target organ damage. In 2002 Picketingt -lI wait for this part