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随机选２１例病儿，年龄１．０８～６．Ｏ岁，分为发钳组（ｎ＝１０），非发绀组（ｎ＝１１），年龄、性别、体重两组间无差异。结果：两组血浆胶体渗透压在停体外循环时最低，发绀组高于非发绀组（Ｐ＜０．０５）。胶渗压与血浆白蛋白浓度相关良好。血浆渗透克分子浓度（Ｐｏｓｍ）两组在停体外循环时最高，但均未超过正常，测量值与计算值相关良好。尿渗透克分子浓度（Ｕｏｓｍ）及比重入手术室时最高，且Ｕｏｓｍ／Ｐｏｓｍ比值大于２．０，Ｕｏｓｍ与尿比重相关良好。血糖在ＣＰＢ后开始升高，ＣＰＢ后１ｈ最高（Ｐ＜０．０１）。发绀组ＣＰＢ后８ｈ仍高于正常，非发组组４ｈ后恢复至正常。
21 cases of children were randomly selected, aged 1.08 ~ 6. O years old, divided into hair clamp group (n = 10), non-cyanotic group (n = 11), age, gender, weight no difference between the two groups. Results: The plasma colloid osmotic pressure of the two groups was the lowest when stopping the extracorporeal circulation and the cyanotic group was higher than the non-cyanotic group (P <0.05). Glue osmolality was correlated well with plasma albumin concentration. Plasma osmolarity (Posm) was the highest in both groups except for out-of-body extracorporeal circulation, but both did not exceed the normal values. The measured values correlated well with the calculated values. Urinary osmolality (Uosm) and specific gravity were highest in the operating room with a Uosm / Posm ratio of greater than 2.0 and Uosm correlated well with urinary specific gravity. Blood glucose began to rise after CPB, 1h after CPB was the highest (P <0.01). Cyanosis group 8h after CPB is still higher than normal, non-fat group 4h returned to normal.