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对不同群体的尿镁同时进行测定与比较有助于更好地了解镁的临床意义。以新试剂聚２－丙烯胺缩－３－（４－甲酰基苯偶氮）－４，５－二羟基－２，７－萘二磺酸作显色剂，藉分光光度法同时测定了健康成年人、儿童肾脏及心脏病患者的尿镁。结果表明，健康人（包括儿童）的尿镁高于各种病人，其中与心脏病患者的差异无统计学意义，而与肾脏病患者却具有显著性统计学差异。提示尿镁浓度在一定程度上可反映肾脏的某些病变。
The determination and comparison of urinary magnesium in different groups at the same time helps to better understand the clinical significance of magnesium. The new reagent poly-2-acrylamido-3- (4-formylphenylazo) -4,5-dihydroxy-2,7-naphthalenedisulfonic acid was used as a color reagent to determine the health by spectrophotometry Urinary magnesium in adults, children with kidney and heart disease. The results showed that, healthy people (including children) urinary magnesium higher than a variety of patients, including patients with heart disease was no significant difference, but with renal disease patients have significant statistical differences. Prompted urinary magnesium concentration to a certain extent, can reflect some of the kidney lesions.