To investigate the changes and significance of plasma levels of cortisol(P CTS ),adrenocorticotropic hormone (P ACTH )and atrial natriuretic factor (P ANP )in chronic renal failure patients before and after hemodialysis.

• 目的 :探讨皮质醇 (CTS)、促肾上腺皮质激素 (ACTH)与心钠素 (ANF)等在血透患者血透前后的改变及意义。