Objective To provide a theoretical basis for the prevention and treatment of hypercalcinemia and hypertension of patients with uremia, by investigating the influence of calcium concentration in dialysate on serum calcium level and blood pressure in patients with renal failure. 目的观察不同钙离子浓度的透析液对血液透析患者透析后血清钙离子水平及血压变化的影响,为肾功能衰竭血液透析患者的高钙血症及高血压的防治提供依据。