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血清胱抑素C及IgG联合尿微量白蛋白及微球蛋白检测对糖尿病肾病早期诊断的意义 被引量:14

Early diagnostic significance of serum cystatin C combined with IgG and urinary microalbumin and microglobulin for diabetic nephropathies
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摘要 目的探讨早期诊断糖尿病肾病的方法及临床意义。方法选取我院2010年10月至2011年10月确诊为糖尿病的患者200例为研究组,同期健康体检者62例为对照组;根据是否合并糖尿病肾病将研究组分为糖尿病肾病组(106例)及无肾病组(94例)。用免疫比浊法测血清胱抑素C(CysC),用速率散射比浊法测尿中微量白蛋白(mAlb)、α1微球蛋白(α1-MG)、β2微球蛋白(62-MG)和血IgG。结果无肾病组血CysC、IgG及尿α1-MG、β2-MG含量与对照组比较,组间差异均有统计学意义[血CysC:(1.48±1.30)mg/L比(0.76±0.18)mg/L,血IgG:(4.8±1.2)mg/L比(3.9±0.5)mg/L,尿α1-MG:(15.0±8.1)mg/L比(2.2±0.9)mg/L,尿β2-MG:(5.9±2.7)mg/L比(1.8±0.5)mg/L,均P〈0.05];肾病组血CysC、IgG及尿mAlb、α1-MG、β2-MG含量均明显高于对照组,组间比较差异均有统计学意义[血CysC:(5.79±1.54)mg/L比(0.76±0.18)mg/L,血IgG:(8.8±1.5)mg/L比(3.9±0.5)mg/L,尿mAlb:(27.0±18.1)mg/L比(1.8±0.3)mg/L,尿α1-MG:(27.7±13.2)mg/L比(2.2±0.9)mg/L,尿β2-MG:(19.7±7.5)mg/L比(1.8±0.5)mg/L,均P〈0.01]。结论血清CysC、IgG和尿mAlb、α1—MG、β2-MG可作为诊断糖尿病早期肾损害的灵敏、可靠的实验室指标。 Objective To investigate the early diagnostic methods of diabetic nephropathies. Methods Turbidimetric immunoassay method were used to measure serum cystatin C (CysC), immunoglobulin G (IgG), urinary microalbumin ( mAlb), alpha: microglobulin (α1-MG) and beta: microglobulin (β2-MG). Results There was a statistically significant difference in the levels of serum CysC, IgG and urinary α1-MG, β2-MG between patients without nephropathy group and the control group [ serum Cysc: (1.48 ± 1.30)mg/L vs (0. 76 ± 0. 18)rag/L; serum IgG: (4. 8 ±1.2) mg/L vs (3.9 ±0. 5 ) mg/L; urinary α1 -MG: ( 15.0 ± 8. 1 ) mg/L vs (2. 2 ±0. 9) mg/L; urinary β2- MG: (5.9 ±2. 7) mg/L vs ( 1.8± 0.5) mg/L, all P 〈 0. 05 ]. Serum CysC, IgG and urinary mAlb, α1-MG, β2- MG in cases of diabetic nephropathy were significantly higher than those in the control group[ serum CysC : (5.79± 1.54 ) mg/L vs (0.76 ± 0.18 ) mg/L; serum IgG: ( 8.8 ± 1.5 ) mg/L vs (3.9± 0.5 ) mg/L; urinary mAlb : (27.0± 18.1 ) mg/L vs ( 1.8 ±0.3) mg/L; urinary α1-MG: (27.7 ±13.2) mg/L vs (2.2 ±0.9) mg/L; urinary 132-MG: (19.7±7.5)mg/Lvs (1.8±0.5)mg/L, allP〈0.01]. Conclusion Combined detection of blood CysC,IgG and urinary mAlb, α1-MG, β2-MG in the diagnosis of early renal damage in diabetes is sensitive and reliable.
作者 郭春霞
出处 《中国医药》 2012年第11期1416-1417,共2页 China Medicine
关键词 糖尿病肾病 血清胱抑素C 尿微量白蛋白 Β2微球蛋白 免疫球蛋白G Diabetic nephropathies Serum cystatin C Urinary microalbumin Beta2- microglobulin Immunoglobulin G
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