说到「氧合指数」,是不是第一反应就是急性呼吸窘迫综合征(ARDS)柏林定义 (1) 里面的动脉氧分压/吸入氧浓度(PaO2/FiO2)?(哈哈,没毛病,毕竟近两版内科学教材中是这么写的)。
实际上,柏林定义里面并没有给 PaO2/FiO2 冠以「氧合指数」的命名,那是因为氧合指数(Oxygenation Index,OI)在英文中对应的是另一个类似的参数。国内给它起名「氧合指数」的原因个人还不清楚,但不管命名是什么,PaO2/FiO2 是公知的,今天就和大家一起来探索一下 PaO2/FiO2 的秘密。
参考文献:
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