高血压是一种常见的多发病,可分为原发性高血压和继发性高血压两类。原发性高血压的发病率较高,其主要是高级神经活动障碍引起,以动脉压升高为主要临床表现。高血压病人的血管紧张度大多有明显增高,部分有明显的脑动脉硬化,血管壁弹性减退,脑部搏动性血容量减少等特点。 Hypertension is a common and frequently-occurring disease that can be divided into two categories: primary hypertension and secondary hypertension. The high incidence of essential hypertension, which is mainly caused by high levels of nerve activity disorders, arterial pressure as the main clinical manifestations. Hypertension patients mostly have significantly increased vascular tone, some have obvious cerebral arteriosclerosis, vascular wall elasticity diminished, brain pulsatile blood volume reduction and so on.