注射用头孢替安对钒酸盐氧化法和干化学法测定的总胆红素浓度的影响

目的探讨头孢替安对钒酸盐氧化法、干化学法测定总胆红素的干扰。方法收集总胆红素浓度小于20μmol/L的样本20例,总胆红素浓度介于150～220μmol/L的样本20例,总胆红素浓度介于350～410μmol/L的样本20例,共计60例,每例加入等体积不同浓度的头孢替安,配制成头孢替安终浓度分别为300、150、75mg/L的血清样本作为实验组,以加入等体积纯水血清样本作为对照组,分别采用干化学法和钒酸盐氧化法测定加入不同浓度头孢替安和纯水的血清样本中总胆红素浓度,比较头孢替安对两种方法测定的总胆红素浓度的影响,所有数据用统计学软件SPSS13.0进行处理。结果干化学法中,加入头孢替安的实验组与加入纯水的对照组比较,实验组总胆红素浓度较对照组升高,差异有统计学意义(P0.05),在同一总胆红素浓度,随着头孢替安浓度的降低,实验组总胆红素浓度的升高率逐渐降低。在钒酸盐氧化法中,总胆红素浓度在150～220μmol/L时,实验组总胆红素浓度较对照组升高,差异有统计学意义(P0.05)。结论注射用头孢替安对干化学法测定总胆红素浓度的干扰作用较强,且随着药物浓度的升高,影响越明显,而对钒酸盐氧化法测定总胆红素浓度几乎无影响。

Influence of injection cefotiam on vanadate oxidation method and dry chemical method assay total bilirubin

Objective Discuss the interference of injection cefotiam on vanadate oxidation method and dry chemical method assay total bilirubin .Methods Collected 60 examples ,include total bilirubin concentration 20 examples less than 20 μmol/L ,20 examples between 150-220 μmol/L and 20 examples between 350-410 μmol/L ,add an equal volume of various concentrations of cefotiam in each case ,formulated into cefotiam final concentrations of 300 ,150 ,75 mg/L of serum samples as the test group ,add an equal volume of water in each serum samples as the control group ,determine all the samples total bilirubin concentration respectively by vanadate oxidation method and dry chemical method ,compared the interference of cefotiam on determined total bilirubin by two method ,analyze the data by SPSS13 .0 .Results Determined total bilirubin by dry chemical method ,the test group higher than the control group ,the difference was statistically significant(P<0 .05) ,at the same total bilirubin levels ,with cefotiam concentrations decreased ,increased rate of total bilirubin concentration were decreased in the experimental group .Determined total bilirubin by vanadate oxidation method ,when the total bilirubin concentration between 150 -220 μmol/L ,the test group was higher than the control group ,the difference was statistically significant(P<0 .05) .Conclusion Interference of injection cefotiam on determined to‐tal bilirubin by dry chemical method is strong ,and with the drug concentration increased ,effect is more obvious ,but determination of total bilirubin by vanadate oxidation method has almost no effect .