酶法测定糖化白蛋白在糖尿病诊治中的临床应用价值
本文选题:糖尿病 + 2型 ; 参考:《河北医科大学》2015年硕士论文
【摘要】:目的:糖化血红蛋白(Glycated hemoglobin,Hb A1c)是评价糖尿病患者长期血糖控制的金指标。Hb A1c能够反映2-3个月的平均血糖水平,平均血糖水平与糖尿病并发症的发生发展密切相关。但是在一些情况下,Hb A1c不能准确反映血糖变化水平,如血糖急剧变化患者及一些贫血患者(溶血性贫血、缺铁性贫血等)。相比而言,糖化白蛋白(Glycated albumin,GA)更能准确反映短期内(2-3周)平均血糖水平及餐后血糖变化,GA也能准确反映血液系统疾病患者的平均血糖水平。本研究通过液态试剂酶法测定糖化白蛋白(GA),评价其作为血糖控制指标的实用性及其与空腹血糖(Fasting plasma glucose,FPG)、餐后2小时血糖(2-hours postprandial glucose,2-h PG)、糖化血红蛋白(Hb A1c)的相关性及其优势。方法:糖尿病(DM)组选取2014年1月至12月在我院内分泌科住院的2型糖尿病患者共150例,其中男78例,女72例,年龄(54.25±11.25)岁,均符合1999年WHO糖尿病诊断和分型标准,为河北地区汉族人,彼此间无亲缘关系。入选者均排除贫血、妊娠、肝功能障碍(ALT或AST超过参考范围上限)、肾脏损害(血肌酐超过参考范围上限)、低蛋白血症、甲状腺疾病和正在接受糖皮质激素治疗患者。分别测定其入院第2天及治疗2周后的GA、FPG、2-h PG及Hb A1c,研究各项指标的变化并进行相关性分析。正常对照(NC)组选取同期在我院健康体检血糖正常者共144例,其中男70例,女74例,年龄(52.58±9.26)岁,河北地区汉族人,无亲缘关系,均无糖尿病、高血压、心脑肾等疾病史。分别测定其GA及Hb A1c值。1临床资料收集:记录受检者性别、年龄、身高、体重,计算体质量指数(Body mass index,BMI)。2血生化指标检测:入试者均隔夜空腹8-12小时后于次日晨起抽取静脉血。使用葡萄糖氧化酶法在全自动生化仪测定FPG、2-h PG,使用液态试剂酶法(日本旭化成制药株式会社Lueica GA.L试剂盒,优利特URIT-8020全自动生化分析仪)测定GA,使用离子交换高效液相色谱法(美国伯乐Bio-Rad VariantⅡ高效液相色谱仪)测定Hb A1c。3统计学分析:应用SPSS 17.0统计软件对结果进行统计学分析,所有计量资料用均值±标准差(x—±s)表示,并检验正态性;组内差异比较用配对t检验,组间差异比较用成组t检验;GA与Hb A1c、FPG及2-h PG之间的相关性分析用直线相关与回归分析。检验水准P=0.05。结果:1 DM组与NC组相比,年龄、性别、身高差异无统计学意义;体重、BMI差异有统计学意义,DM组高于NC组。2 DM组GA在15%-30%之间,平均(20.04±3.18)%,Hb A1c在5%-11%之间,平均(7.39±1.17)%;NC组GA在11%-16%之间,平均(13.63±1.17)%,Hb A1c在4%-6%之间,平均(5.40±0.43)%,NC组明显低于DM组,差异有统计学意义。3 DM组患者治疗后与治疗前相比,GA、FPG、2-h PG及Hb A1c均有不同程度下降,GA在治疗2周后显著下降[(17.82±2.44)%vs(20.04±3.18)%,P0.05],而Hb A1c在治疗2周后下降不明显[(7.39±1.17)%vs(7.38±1.11)%,P0.05]。4 DM组治疗前GA与Hb A1c(r=0.992,P0.05)、FPG(r=0.911,P0.05)、2-h PG(r=0.864,P0.05)呈正相关,治疗后GA与Hb A1c(r=0.987,P0.05)、FPG(r=0.854,P0.05)、2-h PG(r=0.786,P0.05)呈正相关。5 DM组治疗前GA与Hb A1c的回归分析方程为Y=0.173+2.688X,治疗后GA与Hb A1c的回归分析方程为Y=1.820+2.170X。结论:1酶法测定GA与Hb A1c、FPG和2-h PG均有良好的相关性,可反映2-3周平均血糖水平,可作为2型糖尿病患者血糖观察指标。2对于2型糖尿病患者的短期治疗效果的评估,GA效果优于Hb A1c,较Hb A1c更敏感。
[Abstract]:Objective: Glycated hemoglobin (Hb A1c) is a golden indicator of long-term glucose control in diabetic patients..Hb A1c can reflect the average blood glucose level for 2-3 months. The average blood glucose level is closely related to the development of diabetic complications. But in some cases, Hb A1c can not accurately reflect the level of blood glucose change, such as blood. The glycated albumin (Glycated albumin, GA) can more accurately reflect the average blood glucose level and postprandial blood glucose changes in the short term (2-3 weeks), and the GA can also accurately reflect the average blood glucose level in the patients with hematological diseases. This study uses the liquid reagent enzyme. Determination of glucoglycated albumin (GA) was used to evaluate its usefulness as a blood sugar control index and its correlation with Fasting plasma glucose (FPG), 2 hours postprandial blood glucose (2-hours postprandial glucose, 2-h PG), and glycated hemoglobin (Hb A1c) and its advantages. There were 150 cases of type 2 diabetes in the hospital, of which 78 cases were male and 72 women, age (54.25 + 11.25) years old. All were in accordance with the WHO diabetes diagnosis and classification standard of 1999. There was no relationship between the Han people in Hebei region. All the participants excluded anemia, pregnancy, liver dysfunction (ALT or AST exceeding the upper limit of reference range), and renal damage (blood creatinine overload) Over the upper limit of the reference range), hypoproteinemia, thyroid disease and patients undergoing glucocorticoid treatment. GA, FPG, 2-h PG and Hb A1c were measured for second days and after 2 weeks of treatment respectively. The changes of the indexes were studied and the correlation analysis was carried out. The normal control group (NC) selected 144 cases of normal blood glucose in our hospital for the same period, which were selected in the normal control group (NC). 70 middle-aged men, 74 women, age (52.58 + 9.26) years old, Hebei Han people, no relationship, no diabetes, hypertension, heart and brain kidney disease history. Determine their GA and Hb A1c value.1 clinical data collection: record subjects sex, age, height, weight, counting body mass index (Body mass index, BMI).2 blood biochemical indicators test: Participants: Participants The venous blood was extracted from the next morning after 8-12 hours. FPG, 2-h PG were measured by the glucose oxidase method in an automatic biochemical analyzer. The GA was measured by the liquid reagent enzyme method (Lueica GA.L kit of Asahi Kasi Pharmaceutical Co., Ltd., Lueica automatic biochemical analyzer), and ion exchange high performance liquid chromatography (beauty). State Bole Bio-Rad Variant II high performance liquid chromatograph) analysis of Hb A1c.3 statistical analysis: the results were statistically analyzed with SPSS 17 statistical software, all measurement data were expressed with mean mean standard deviation (x + s), and tested in normality; the differences in groups were tested with paired t, and the differences were compared with group t test, GA and Hb A1c, and 2 -h PG correlation analysis using linear correlation and regression analysis. Test level P=0.05. results: 1 DM group compared with NC group, age, sex, height difference is not statistically significant; weight, BMI difference has statistical significance, DM group is higher than NC group.2 DM group GA between 15%-30%, average (20.04 + 3.18)%, average (7.39 + 1.17)%. GA was between 11%-16%, average (13.63 + 1.17)%, Hb A1c was between 4%-6%, average (5.40 + 0.43)%, and NC group was significantly lower than that of DM group. The difference was statistically significant in group.3 DM patients after treatment, GA, FPG, 2-h, but decreased significantly after 2 weeks of treatment [17.82 + 2.44) (20.04 + 3.18)%. After 2 weeks of treatment, the decrease is not obvious [(7.39 + 1.17)%vs (7.38 + 1.11)%. The regression analysis equation of GA and Hb A1c (r=0.992, P0.05), FPG (r=0.911, P0.05) before treatment is positive correlation. For Y=0.173+2.688X, the regression analysis equation of GA and Hb A1c after treatment is Y=1.820+2.170X. conclusion: the 1 enzyme method has good correlation between GA and Hb A1c, FPG and 2-h PG, which can reflect the average blood glucose level of 2-3 weeks, and can be used as an indicator of blood glucose in type 2 diabetes patients to evaluate the short-term therapeutic effect of type 2 diabetic patients. B A1c, more sensitive than Hb A1c.
【学位授予单位】:河北医科大学
【学位级别】:硕士
【学位授予年份】:2015
【分类号】:R587.1
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