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观察了３８例经临床诊断为不伴有酸中毒或继发性肾性甲状旁腺功能亢进症的急、慢性肾功能衰竭患者血清总钙和离子钙水平，并与１８１例正常人的血清总钙和离子钙水平相比较，探讨钙与白蛋白、尿毒、肌酐等的关系。结果表明，正常人总钙与白蛋白有相关性，而离子钙与白蛋白，离子钙与总钙之间均无相关性。肾衰患者则不同，其离子钙与总钙高度相关，但两者均与白蛋白不相关。肾衰患者离子钙和总钙均显著偏低。且其下降程度与尿素和肌酐水平相关
The serum levels of total calcium and ionized calcium in 38 patients with acute and chronic renal failure without acidosis or secondary renal hyperparathyroidism were observed and compared with 181 healthy controls Calcium and ionized calcium levels compared to explore the relationship between calcium and albumin, uremic toxicity, creatinine and so on. The results showed that there was a correlation between total calcium and albumin in normal subjects, while there was no correlation between ionized calcium and albumin, ionized calcium and total calcium. Patients with renal failure are different, the ionized calcium is highly correlated with total calcium, but both are not related to albumin. Kidney failure patients with ionized calcium and total calcium were significantly lower. And the degree of decline associated with urea and creatinine levels