Essential hypertension (EHT) is one of the most common cardiovascular diseases with high incidence (>20%) and mortality resulting from stroke, myocardial infarction, congestive heart failure and end-stage renal disease.

• 原发性高血压病是一种常见的心血管疾病，发病率高达20%25以上，因并发脑中风、各种类型的心脏病及晚期肾脏疾病而死亡率极高。