We determined the intralymphocytic calcium concentration( [Ca2+ ]i) ,plasma renin activity (PRA) in 13 essential hypertensive patients (EHT) and matched normotensive controls.

• 检测13例EHT患者和13例正常人的淋巴细胞内胞浆[Ca~(2+)]i及血浆PRA,并观察患者经尼群地平治疗2周前、后它们发生的变化。