Abstract:

Two middleaged men with maintenance hemodialysis，with no significant differences in dialysis adequacy,anemia and nutritional status，has sharp contrast in the control of calcium,phosphate and iPTH.The calcium,phosphate and iPTH of the patient A continued to be higher than the upper limit,while the older patient B with longer vintage keep continuous qualified serum level of calcium,phosphate and iPT.After a longterm followup,comparing the cardiovascular calcification of the two patients,the patient B experienced slow progression of cardiovascular calcification，while the patient A with severe cardiovascular calcification,and progressed rapidly.