两种采血方法对血液流变学指标影响的比较

Effects of Two Techniques of Blood Sampling on Blood Rheology

目的 比较使用一次性自动静脉采血器（采血器）和普通10 ml注射器两种方法在采集血液流变学标本中对检测结果的影响。方法 选择医嘱需抽血查血液流变学的志愿者30例,随机分配同一位患者的两次抽血,一次使用注射器,一次使用采血器。盲法检测高切（200/s）及低切（3/s）全血粘度、血浆粘度、红细胞压积、纤维蛋白原含量。结果 注射器组较采血器组低切全血粘度、血浆粘度明显增高（P<0.05）。结论 采血器采血法较注射器采血法对血液流变学指标影响小,应为临床首选。

Objective It was aimed to objectively evaluate the effects of using disposable automatic venous hemostix and syringe blood sampling on blood rheology. Methods 30 patients who suffering from different diseases and needed to have blood rheology tested were enrolled in our study. Each patient had two venous blood samplings randomly, one with a disposable automatic venous blood sampler and the other with syringe injection. The parameters of high shear and low shear whole blood viscosity (200/s and 3/s), plasma viscosity, hematocrit and fibrinogen were determined. Results The parameters of low shear whole blood viscosity and plasma viscosity were significantly higher ( P <0. 05 ) with syringe injection compared with disposable automatic venous blood sampler sampling. Conclusion The effect of using a disposable automatic venous blood sampler on blood rheology was smaller than that of syringe injection,and we suggest popularizing it as a substitute of injection for blood sampling.