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经病例对照研究发现:婴幼儿肺炎并发呼吸衰竭(简称呼衰)期可发生血浆总钙和血游离钙浓度降低、红细胞总钙和胞浆游离钙浓度升高、红细胞膜钙泵和钠泵活性低下,提示呼衰期有红细胞外 Ca~(2+)流人红细胞内现象,而红细胞膜钙泵活性低下则是导致红细胞内钙异常升高的重要原因之一;恢复期红细胞胞浆和血游离钙浓度及膜钠泵活性较快恢复正常,但红细胞
The case-control study found that: infant pneumonia complicated with respiratory failure (referred to as respiratory failure) can occur in plasma total and serum calcium concentration decreased, total and cytoplasmic erythrocyte free calcium concentration increased, the erythrocyte membrane calcium pump and sodium pump activity Low, suggesting that respiratory cycle Ca2 + influx intracellular erythrocyte phenomenon, and the low activity of the red cell membrane calcium pump is one of the major causes of abnormal increase in intracellular calcium; red cell cytoplasm and blood recovery Free calcium concentration and membrane sodium pump activity returned to normal faster, but red blood cells