Related factors of blood glucose values in ICU
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摘要:
目的 比较ICU危重症患者动脉血气血糖和末梢血糖值的可靠性；分析影响动脉血气血糖值和末梢血糖值之间差异的相关因素。 方法 选取ICU重症患者40例，晨间同时检测患者动脉血气和快速末梢血糖。 结果 动脉血气分析和快速末梢血糖检测的血糖值与静脉血生化中的血糖值均高度相关(r=0.952，P<0.01)。动脉血气血糖和末梢血糖之前存在差异，具有统计学意义（P<0.05）。动脉血气血糖和末梢之间的差异受末梢循环的影响。 结论 危重症患者采用末梢血糖测量结果作为控制血糖策略的可靠性还有待进一步研究，末梢血糖测量结果受末梢循环的影响。 Abstract:Objective To compare the reliability of arterial blood gas, blood glucose and peripheral blood glucose in critically ill patients with ICU, and analyze the related factors of variation of glucose values of the two measurement. Methods Fourty ICU critical patients were selected.In the morning, two kinds of blood samples, i.e.arterial blood and capillary blood, were collected and tested at the same time. Results Arterial blood glucose and capillary blood glucose showed a strong correlation with venous blood glucose (r=0.952, P<0.001)．The mean difference (bias) was significant (P<0.005) for arterial blood glucose and venous blood glucose.The diffence blood glucose values of two blood glucose measurement was influenced by the status of peripheral circulation of finger tips. Conclusion Reliablity of the blood glucose values of capillary blood need further study in critical patients.the status of peripheral circulation of finger tips is one influencing factor of capillary blood values. -
Key words:
- critical patients /
- arterial blood glucose /
- capillary blood glucose
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表 1 脉血糖值和末梢血糖值差异的相关因素分析
模型 非标准化系数 标准系数 t P B 标准误差 试用版 常量 -0.823 9.485 -0.087 0.932 T -0.021 0.224 -0.019 -0.092 0.928 LAC 0.403 0.221 0.392 1.823 0.086 SAO2 0.011 0.030 0.084 0.376 0.712 末梢循环 -0.665 0.306 -0.440 -2.173 0.044* *P<0.05. 
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