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为了观察全营养混合液（TNA）对早产儿血清渗透压的影响，按6ml／kg·h的速度给早产儿静脉输入TNA液，测定输注前及输注过程中的血钠、血糖、BUN和血清渗透压，并计算渗透压间隙（OG）。结果显示输注前及输注过程中血清渗透压，OG及血糖无显著性差异，提示TNA液在一定速度内输注对早产儿血渗透压及血糖无明显影响。
In order to observe the effect of TNA on the serum osmolality of premature infants, TNA solution was infused into the premature infants at the rate of 6ml / kg · h. The serum sodium, blood glucose, BUN And serum osmolality, and calculate the osmotic pressure gap (OG). The results showed no significant difference in serum osmotic pressure, OG and blood glucose before and during infusion, suggesting that infusion of TNA solution at a certain speed had no significant effect on the blood pressure and blood glucose of premature infants.