早产儿的血浆离子钙：与成年人的比较。
Plasma ionised calcium in preterm infants: comparison with adults.
作者信息
Mayne P D, James J A, Barnes I C, Kovar I Z
出版信息
J Clin Pathol. 1984 Aug;37(8):859-61. doi: 10.1136/jcp.37.8.859.
Plasma calcium (ionised and total) and albumin concentrations and pH were measured in preterm infants and in healthy adults and patients dependent on respirators. Plasma ionised calcium and total calcium values fell during the first week after birth and subsequently rose. Plasma ionised calcium concentrations in preterm infants were higher than those found in both healthy and sick adults. This difference was only partially explained by the lower blood pH in the infant population. There was no correlation between plasma ionised calcium or the ratio of ionised calcium to total calcium and total bilirubin concentrations. These results suggest that the metabolic control of plasma ionised calcium in preterm infants is different from that in adults.
对早产儿、健康成年人以及依赖呼吸机的患者测量了血浆钙（离子钙和总钙）、白蛋白浓度和pH值。出生后第一周血浆离子钙和总钙值下降，随后上升。早产儿的血浆离子钙浓度高于健康成年人和患病成年人。婴儿群体中较低的血液pH值只能部分解释这种差异。血浆离子钙或离子钙与总钙的比值与总胆红素浓度之间没有相关性。这些结果表明，早产儿血浆离子钙的代谢调控与成年人不同。
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