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机械通气患者动脉血电解质测定的临床评价 被引量:3

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摘要 目的:观察机械通气患者动脉全血和静脉血清电解质浓度检测的差异,就动脉血电解质测定的临床价值进行探讨。方法:77例机械通气患者在ICU治疗期间共508次同步抽取动脉抗凝全血进行血气分析与钠钾浓度测定及静脉全血检测血清钾和钠浓度。按pH值不同分为:Ⅰ组(n=207),pH7.35~7.45;Ⅱ组(n=164),pH<7.35;Ⅲ组(n=137),pH>7.45,分组计算动静脉血钾和钠的浓度,以及动静脉血钾和血钠浓度的差值,并进行直线相关分析,建立直线回归方程,探讨不同pH情况下动静脉血钾、钠浓度的变化。结果:静脉血清钾、钠浓度均高于动脉全血钾、钠浓度。动脉全血钾、钠浓度与静脉血清钾、钠浓度呈线性相关。不同pH情况下,动静脉血钾同步变化。结论:临床上可用动脉全血电解质替代静脉血清电解质,但应注意动静脉电解质检测值的差异。
出处 《实用医学杂志》 CAS 北大核心 2010年第18期3351-3352,共2页 The Journal of Practical Medicine
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