Objective To study the changes, mechanisms and relationships of plasma endothe-lin (ET),nitric oxide (NO) and erythrocyte deformability (ED) in patients with essential hyperten-sion (EH).

• 目的研究高血压病(EH)患者血浆内皮素(ET)、一氧化氮(NO)和红细胞变形能力(ED)的变化、发病机理及相互关系。